Analysis of dislocations in some naturally deformed plagioclase feldspars
Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left...
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Gespeichert in:
| Autor*in: |
Olsen, Terkel S. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1984 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag 1984 |
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| Übergeordnetes Werk: |
Enthalten in: Physics and chemistry of minerals - Springer-Verlag, 1977, 11(1984), 4 vom: Okt., Seite 153-160 |
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| Übergeordnetes Werk: |
volume:11 ; year:1984 ; number:4 ; month:10 ; pages:153-160 |
| Links: |
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| DOI / URN: |
10.1007/BF00387845 |
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| Katalog-ID: |
OLC2072350468 |
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| 100 | 1 | |a Olsen, Terkel S. |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Analysis of dislocations in some naturally deformed plagioclase feldspars |
| 264 | 1 | |c 1984 | |
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| 520 | |a Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. | ||
| 650 | 4 | |a Microstructure | |
| 650 | 4 | |a Quartz | |
| 650 | 4 | |a Geochemistry | |
| 650 | 4 | |a Plastic Strain | |
| 650 | 4 | |a Mineral Resource | |
| 700 | 1 | |a Kohlstedt, David L. |4 aut | |
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10.1007/BF00387845 doi (DE-627)OLC2072350468 (DE-He213)BF00387845-p DE-627 ger DE-627 rakwb eng 550 540 530 VZ BIODIV DE-30 fid Olsen, Terkel S. verfasserin aut Analysis of dislocations in some naturally deformed plagioclase feldspars 1984 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1984 Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. Microstructure Quartz Geochemistry Plastic Strain Mineral Resource Kohlstedt, David L. aut Enthalten in Physics and chemistry of minerals Springer-Verlag, 1977 11(1984), 4 vom: Okt., Seite 153-160 (DE-627)129323039 (DE-600)131393-9 (DE-576)014557398 0342-1791 nnns volume:11 year:1984 number:4 month:10 pages:153-160 https://doi.org/10.1007/BF00387845 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_11 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4112 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 AR 11 1984 4 10 153-160 |
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10.1007/BF00387845 doi (DE-627)OLC2072350468 (DE-He213)BF00387845-p DE-627 ger DE-627 rakwb eng 550 540 530 VZ BIODIV DE-30 fid Olsen, Terkel S. verfasserin aut Analysis of dislocations in some naturally deformed plagioclase feldspars 1984 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1984 Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. Microstructure Quartz Geochemistry Plastic Strain Mineral Resource Kohlstedt, David L. aut Enthalten in Physics and chemistry of minerals Springer-Verlag, 1977 11(1984), 4 vom: Okt., Seite 153-160 (DE-627)129323039 (DE-600)131393-9 (DE-576)014557398 0342-1791 nnns volume:11 year:1984 number:4 month:10 pages:153-160 https://doi.org/10.1007/BF00387845 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_11 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4112 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 AR 11 1984 4 10 153-160 |
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10.1007/BF00387845 doi (DE-627)OLC2072350468 (DE-He213)BF00387845-p DE-627 ger DE-627 rakwb eng 550 540 530 VZ BIODIV DE-30 fid Olsen, Terkel S. verfasserin aut Analysis of dislocations in some naturally deformed plagioclase feldspars 1984 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1984 Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. Microstructure Quartz Geochemistry Plastic Strain Mineral Resource Kohlstedt, David L. aut Enthalten in Physics and chemistry of minerals Springer-Verlag, 1977 11(1984), 4 vom: Okt., Seite 153-160 (DE-627)129323039 (DE-600)131393-9 (DE-576)014557398 0342-1791 nnns volume:11 year:1984 number:4 month:10 pages:153-160 https://doi.org/10.1007/BF00387845 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_11 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4112 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 AR 11 1984 4 10 153-160 |
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10.1007/BF00387845 doi (DE-627)OLC2072350468 (DE-He213)BF00387845-p DE-627 ger DE-627 rakwb eng 550 540 530 VZ BIODIV DE-30 fid Olsen, Terkel S. verfasserin aut Analysis of dislocations in some naturally deformed plagioclase feldspars 1984 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1984 Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. Microstructure Quartz Geochemistry Plastic Strain Mineral Resource Kohlstedt, David L. aut Enthalten in Physics and chemistry of minerals Springer-Verlag, 1977 11(1984), 4 vom: Okt., Seite 153-160 (DE-627)129323039 (DE-600)131393-9 (DE-576)014557398 0342-1791 nnns volume:11 year:1984 number:4 month:10 pages:153-160 https://doi.org/10.1007/BF00387845 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_11 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4112 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 AR 11 1984 4 10 153-160 |
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10.1007/BF00387845 doi (DE-627)OLC2072350468 (DE-He213)BF00387845-p DE-627 ger DE-627 rakwb eng 550 540 530 VZ BIODIV DE-30 fid Olsen, Terkel S. verfasserin aut Analysis of dislocations in some naturally deformed plagioclase feldspars 1984 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag 1984 Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. Microstructure Quartz Geochemistry Plastic Strain Mineral Resource Kohlstedt, David L. aut Enthalten in Physics and chemistry of minerals Springer-Verlag, 1977 11(1984), 4 vom: Okt., Seite 153-160 (DE-627)129323039 (DE-600)131393-9 (DE-576)014557398 0342-1791 nnns volume:11 year:1984 number:4 month:10 pages:153-160 https://doi.org/10.1007/BF00387845 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO GBV_ILN_11 GBV_ILN_32 GBV_ILN_40 GBV_ILN_70 GBV_ILN_2018 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4112 GBV_ILN_4126 GBV_ILN_4319 GBV_ILN_4323 AR 11 1984 4 10 153-160 |
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Enthalten in Physics and chemistry of minerals 11(1984), 4 vom: Okt., Seite 153-160 volume:11 year:1984 number:4 month:10 pages:153-160 |
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Enthalten in Physics and chemistry of minerals 11(1984), 4 vom: Okt., Seite 153-160 volume:11 year:1984 number:4 month:10 pages:153-160 |
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Olsen, Terkel S. @@aut@@ Kohlstedt, David L. @@aut@@ |
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Olsen, Terkel S. |
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analysis of dislocations in some naturally deformed plagioclase feldspars |
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Analysis of dislocations in some naturally deformed plagioclase feldspars |
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Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. © Springer-Verlag 1984 |
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Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. © Springer-Verlag 1984 |
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Abstract Dislocations in intermediate plagioclase feldspars, which were deformed under granulite facies conditions, have been analysed. The study reveals extensive ductile deformation by intracrystalline slip and by twinning. Six out of the seven possible Burgers vectors were identified: $$b = \left[ {001} \right],\tfrac{1}{2}\left[ {110} \right],\tfrac{1}{2}\left[ {1\bar 10} \right],\left[ {101} \right],\tfrac{1}{2}\left[ {112} \right]and\tfrac{1}{2}\left[ {1\bar 12} \right]$$. Most, perhaps all, dislocations are dissociated by up to 200 Å. The microstructure is dominated by [001] screw dislocations, most of which appear to be dissociated in (010). The dominant slip system appears to be (010) [001]. Large grain-to-grain variations in the density of free dislocations indicate that the plastic strain in individual grains depended upon the Schmid factor for (010) [001]. The microstructure suggests that the rate-controlling step for high-temperature creep of plagioclase is cross-slip of extended [001] screw dislocations. The rheological contrast between feldspar and quartz is partly due to a difference in stacking fault energy. © Springer-Verlag 1984 |
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