Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages

Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Martínez-Abarca, Rodrigo [verfasserIn] Ortega-Guerrero, Beatriz [verfasserIn] Lozano-García, Socorro [verfasserIn] Caballero, Margarita [verfasserIn] Valero-Garcés, Blas [verfasserIn] McGee, David [verfasserIn] Brown, Erik T. [verfasserIn] Stockhecke, Mona [verfasserIn] Hodgetts, Alastair G. E. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	MexiDrill Chalco Basin of Mexico Lake formation Facies analysis Fluvial-lacustrine system Volcanism and lakes

Anmerkung:	© Geologische Vereinigung e.V. (GV) 2021

Übergeordnetes Werk:	Enthalten in: Geologische Rundschau - Berlin : Springer, 1910, 110(2021), 7 vom: 07. Jan., Seite 2519-2539
Übergeordnetes Werk:	volume:110 ; year:2021 ; number:7 ; day:07 ; month:01 ; pages:2519-2539

Links:	Volltext

DOI / URN:	10.1007/s00531-020-01964-z

Katalog-ID:	SPR044983964

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allfields	10.1007/s00531-020-01964-z doi (DE-627)SPR044983964 (SPR)s00531-020-01964-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Martínez-Abarca, Rodrigo verfasserin aut Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Geologische Vereinigung e.V. (GV) 2021 Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. MexiDrill Chalco (dpeaa)DE-He213 Basin of Mexico (dpeaa)DE-He213 Lake formation (dpeaa)DE-He213 Facies analysis (dpeaa)DE-He213 Fluvial-lacustrine system (dpeaa)DE-He213 Volcanism and lakes (dpeaa)DE-He213 Ortega-Guerrero, Beatriz verfasserin aut Lozano-García, Socorro verfasserin aut Caballero, Margarita verfasserin aut Valero-Garcés, Blas verfasserin aut McGee, David verfasserin aut Brown, Erik T. verfasserin aut Stockhecke, Mona verfasserin aut Hodgetts, Alastair G. E. verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 110(2021), 7 vom: 07. Jan., Seite 2519-2539 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:110 year:2021 number:7 day:07 month:01 pages:2519-2539 https://dx.doi.org/10.1007/s00531-020-01964-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 110 2021 7 07 01 2519-2539
spelling	10.1007/s00531-020-01964-z doi (DE-627)SPR044983964 (SPR)s00531-020-01964-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Martínez-Abarca, Rodrigo verfasserin aut Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Geologische Vereinigung e.V. (GV) 2021 Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. MexiDrill Chalco (dpeaa)DE-He213 Basin of Mexico (dpeaa)DE-He213 Lake formation (dpeaa)DE-He213 Facies analysis (dpeaa)DE-He213 Fluvial-lacustrine system (dpeaa)DE-He213 Volcanism and lakes (dpeaa)DE-He213 Ortega-Guerrero, Beatriz verfasserin aut Lozano-García, Socorro verfasserin aut Caballero, Margarita verfasserin aut Valero-Garcés, Blas verfasserin aut McGee, David verfasserin aut Brown, Erik T. verfasserin aut Stockhecke, Mona verfasserin aut Hodgetts, Alastair G. E. verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 110(2021), 7 vom: 07. Jan., Seite 2519-2539 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:110 year:2021 number:7 day:07 month:01 pages:2519-2539 https://dx.doi.org/10.1007/s00531-020-01964-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 110 2021 7 07 01 2519-2539
allfields_unstemmed	10.1007/s00531-020-01964-z doi (DE-627)SPR044983964 (SPR)s00531-020-01964-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Martínez-Abarca, Rodrigo verfasserin aut Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Geologische Vereinigung e.V. (GV) 2021 Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. MexiDrill Chalco (dpeaa)DE-He213 Basin of Mexico (dpeaa)DE-He213 Lake formation (dpeaa)DE-He213 Facies analysis (dpeaa)DE-He213 Fluvial-lacustrine system (dpeaa)DE-He213 Volcanism and lakes (dpeaa)DE-He213 Ortega-Guerrero, Beatriz verfasserin aut Lozano-García, Socorro verfasserin aut Caballero, Margarita verfasserin aut Valero-Garcés, Blas verfasserin aut McGee, David verfasserin aut Brown, Erik T. verfasserin aut Stockhecke, Mona verfasserin aut Hodgetts, Alastair G. E. verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 110(2021), 7 vom: 07. Jan., Seite 2519-2539 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:110 year:2021 number:7 day:07 month:01 pages:2519-2539 https://dx.doi.org/10.1007/s00531-020-01964-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 110 2021 7 07 01 2519-2539
allfieldsGer	10.1007/s00531-020-01964-z doi (DE-627)SPR044983964 (SPR)s00531-020-01964-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Martínez-Abarca, Rodrigo verfasserin aut Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Geologische Vereinigung e.V. (GV) 2021 Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. MexiDrill Chalco (dpeaa)DE-He213 Basin of Mexico (dpeaa)DE-He213 Lake formation (dpeaa)DE-He213 Facies analysis (dpeaa)DE-He213 Fluvial-lacustrine system (dpeaa)DE-He213 Volcanism and lakes (dpeaa)DE-He213 Ortega-Guerrero, Beatriz verfasserin aut Lozano-García, Socorro verfasserin aut Caballero, Margarita verfasserin aut Valero-Garcés, Blas verfasserin aut McGee, David verfasserin aut Brown, Erik T. verfasserin aut Stockhecke, Mona verfasserin aut Hodgetts, Alastair G. E. verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 110(2021), 7 vom: 07. Jan., Seite 2519-2539 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:110 year:2021 number:7 day:07 month:01 pages:2519-2539 https://dx.doi.org/10.1007/s00531-020-01964-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 110 2021 7 07 01 2519-2539
allfieldsSound	10.1007/s00531-020-01964-z doi (DE-627)SPR044983964 (SPR)s00531-020-01964-z-e DE-627 ger DE-627 rakwb eng 550 ASE 38.10 bkl Martínez-Abarca, Rodrigo verfasserin aut Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Geologische Vereinigung e.V. (GV) 2021 Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. MexiDrill Chalco (dpeaa)DE-He213 Basin of Mexico (dpeaa)DE-He213 Lake formation (dpeaa)DE-He213 Facies analysis (dpeaa)DE-He213 Fluvial-lacustrine system (dpeaa)DE-He213 Volcanism and lakes (dpeaa)DE-He213 Ortega-Guerrero, Beatriz verfasserin aut Lozano-García, Socorro verfasserin aut Caballero, Margarita verfasserin aut Valero-Garcés, Blas verfasserin aut McGee, David verfasserin aut Brown, Erik T. verfasserin aut Stockhecke, Mona verfasserin aut Hodgetts, Alastair G. E. verfasserin aut Enthalten in Geologische Rundschau Berlin : Springer, 1910 110(2021), 7 vom: 07. Jan., Seite 2519-2539 (DE-627)47265019X (DE-600)2168407-8 1432-1149 nnns volume:110 year:2021 number:7 day:07 month:01 pages:2519-2539 https://dx.doi.org/10.1007/s00531-020-01964-z lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_152 GBV_ILN_161 GBV_ILN_171 GBV_ILN_187 GBV_ILN_224 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 38.10 ASE AR 110 2021 7 07 01 2519-2539
language	English
source	Enthalten in Geologische Rundschau 110(2021), 7 vom: 07. Jan., Seite 2519-2539 volume:110 year:2021 number:7 day:07 month:01 pages:2519-2539
sourceStr	Enthalten in Geologische Rundschau 110(2021), 7 vom: 07. Jan., Seite 2519-2539 volume:110 year:2021 number:7 day:07 month:01 pages:2519-2539
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	MexiDrill Chalco Basin of Mexico Lake formation Facies analysis Fluvial-lacustrine system Volcanism and lakes
dewey-raw	550
isfreeaccess_bool	false
container_title	Geologische Rundschau
authorswithroles_txt_mv	Martínez-Abarca, Rodrigo @@aut@@ Ortega-Guerrero, Beatriz @@aut@@ Lozano-García, Socorro @@aut@@ Caballero, Margarita @@aut@@ Valero-Garcés, Blas @@aut@@ McGee, David @@aut@@ Brown, Erik T. @@aut@@ Stockhecke, Mona @@aut@@ Hodgetts, Alastair G. E. @@aut@@
publishDateDaySort_date	2021-01-07T00:00:00Z
hierarchy_top_id	47265019X
dewey-sort	3550
id	SPR044983964
language_de	englisch
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We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. 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author	Martínez-Abarca, Rodrigo
spellingShingle	Martínez-Abarca, Rodrigo ddc 550 bkl 38.10 misc MexiDrill Chalco misc Basin of Mexico misc Lake formation misc Facies analysis misc Fluvial-lacustrine system misc Volcanism and lakes Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages
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topic_title	550 ASE 38.10 bkl Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages MexiDrill Chalco (dpeaa)DE-He213 Basin of Mexico (dpeaa)DE-He213 Lake formation (dpeaa)DE-He213 Facies analysis (dpeaa)DE-He213 Fluvial-lacustrine system (dpeaa)DE-He213 Volcanism and lakes (dpeaa)DE-He213
topic	ddc 550 bkl 38.10 misc MexiDrill Chalco misc Basin of Mexico misc Lake formation misc Facies analysis misc Fluvial-lacustrine system misc Volcanism and lakes
topic_unstemmed	ddc 550 bkl 38.10 misc MexiDrill Chalco misc Basin of Mexico misc Lake formation misc Facies analysis misc Fluvial-lacustrine system misc Volcanism and lakes
topic_browse	ddc 550 bkl 38.10 misc MexiDrill Chalco misc Basin of Mexico misc Lake formation misc Facies analysis misc Fluvial-lacustrine system misc Volcanism and lakes
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title	Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages
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title_full	Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages
author_sort	Martínez-Abarca, Rodrigo
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author_browse	Martínez-Abarca, Rodrigo Ortega-Guerrero, Beatriz Lozano-García, Socorro Caballero, Margarita Valero-Garcés, Blas McGee, David Brown, Erik T. Stockhecke, Mona Hodgetts, Alastair G. E.
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title_sort	sedimentary stratigraphy of lake chalco (central mexico) during its formative stages
title_auth	Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages
abstract	Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. © Geologische Vereinigung e.V. (GV) 2021
abstractGer	Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. © Geologische Vereinigung e.V. (GV) 2021
abstract_unstemmed	Abstract Lake Chalco lies south of the Basin of Mexico and has been the subject of studies related to Late Quaternary climate variability. In 2016, the International Continental Scientific Drilling Program “MexiDrill Project” recovered a 520-m sediment record from Lake Chalco. Magnetic susceptibility measurements revealed substantial changes in sediment physical properties between 343 and 285 m depth, suggesting changes in composition associated with fluctuations in the depositional environment. We targeted sediments in the 343–285 m interval for high-resolution facies analysis, to develop a model of Lake Chalco formation. We identified three facies associations, using sediment composition, texture, mineralogy and micro-morphological characteristics: (1) detrital facies, consisting of laminated silt, massive sand, stratified silty sand, clast-supported gravel and matrix-supported gravel; (2) biogenic facies, which include diatom ooze and bivalve coquina; and (3) volcaniclastic facies, represented by clast-supported pumice deposits. We propose that formation of Lake Chalco occurred in four stages, which we identified by changes in sediment characteristics. The first stage was an alluvial delta environment, in which debris and hyper-concentrated flows were the main sediment transport agents. The second was characterized by turbulent flows in a fluvial deltaic environment, which alternated with laminar flows associated with floodplains. The third stage was a time of fluvio-lacustrine transition in the basin, with formation of the previously identified Paleo-Chalco-I Lake, in response to wet conditions. During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. This enables to expand our knowledge of the climate for a time for which there is no information from terrestrial records of tropical North America. © Geologische Vereinigung e.V. (GV) 2021
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title_short	Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages
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During the fourth stage, a deep eutrophic lake formed (Paleo-Chalco-II), with an origin that appears to have been related to regional volcanism. Our working age-depth model indicates establishment of the lake at ca. 400 ± 46 ka. This paper presents the only available record of the transition from alluvial to lacustrine sedimentation of Lake Chalco. Our results allow us to establish (1) how the lake was formed and what the phases of its development were, (2) how a major volcanic event altered and transformed the lacustrine sedimentation, and (3) which climatic conditions dominated during the lake formation. The age for the onset of the lacustrine sedimentation in Chalco is for the first time constrained to around 400 ka. 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Sedimentary stratigraphy of Lake Chalco (Central Mexico) during its formative stages

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