Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica
© 2014, University of Tsukuba. All Rights Reserved.We report field occurrence and brief petrographical characters of high-grade metamorphic rocks from Tel en in the granulite-facies zone of the Lützow-Holm Complex, East Antarctica, and correlate the dominant lithologies with those in adjacent exposu...
| Main Authors: | , , , , |
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| Format: | Journal Article |
| Published: |
2014
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| Online Access: | http://hdl.handle.net/20.500.11937/50944 |
| _version_ | 1848758574070628352 |
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| author | Koizumi, T. Tsunogae, T. Dunkley, Daniel Miyamoto, T. Kato, M. |
| author_facet | Koizumi, T. Tsunogae, T. Dunkley, Daniel Miyamoto, T. Kato, M. |
| author_sort | Koizumi, T. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | © 2014, University of Tsukuba. All Rights Reserved.We report field occurrence and brief petrographical characters of high-grade metamorphic rocks from Tel en in the granulite-facies zone of the Lützow-Holm Complex, East Antarctica, and correlate the dominant lithologies with those in adjacent exposures. The major rock types in Telen are felsic to intermediate orthogneiss, mafic granulite/amphibolite, calc-silicate rocks, felsic garnet gneiss, and pelitic granulite, which are similar to adjacent localities such as Skallen and Skallevikshalsen, although felsic to mafic orthogneisses are dominant in Telen, while calc-silicate rocks and marbles are more abundant in Skallen and Skallevikshalsen. They have monotonous N-S trending foliation dipping gently (about 20-30°) toward the east. Younger granitoids intrude nearly parallel or perpendicular to the metamorphic rocks. Peak metamorphic conditions have been estimated for a garnet-rich mafic granulite as 860-880°C and 10.1-10.5 kbar, which is consistent with the results of adjacent localities. Our study confirmed that Telen-Skallen-Skallevikshalsen region in the central domain of the granulite-facies zone corresponds to a single mass of high-grade metamorphic rocks, which was formed by Late Neoproterozoic to Cambrian high-grade metamorphism possibly related to the final phase of continent-continent collision during the assembly of Gondwana Supercontinent. |
| first_indexed | 2025-11-14T09:46:09Z |
| format | Journal Article |
| id | curtin-20.500.11937-50944 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:46:09Z |
| publishDate | 2014 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-509442017-03-17T08:29:08Z Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica Koizumi, T. Tsunogae, T. Dunkley, Daniel Miyamoto, T. Kato, M. © 2014, University of Tsukuba. All Rights Reserved.We report field occurrence and brief petrographical characters of high-grade metamorphic rocks from Tel en in the granulite-facies zone of the Lützow-Holm Complex, East Antarctica, and correlate the dominant lithologies with those in adjacent exposures. The major rock types in Telen are felsic to intermediate orthogneiss, mafic granulite/amphibolite, calc-silicate rocks, felsic garnet gneiss, and pelitic granulite, which are similar to adjacent localities such as Skallen and Skallevikshalsen, although felsic to mafic orthogneisses are dominant in Telen, while calc-silicate rocks and marbles are more abundant in Skallen and Skallevikshalsen. They have monotonous N-S trending foliation dipping gently (about 20-30°) toward the east. Younger granitoids intrude nearly parallel or perpendicular to the metamorphic rocks. Peak metamorphic conditions have been estimated for a garnet-rich mafic granulite as 860-880°C and 10.1-10.5 kbar, which is consistent with the results of adjacent localities. Our study confirmed that Telen-Skallen-Skallevikshalsen region in the central domain of the granulite-facies zone corresponds to a single mass of high-grade metamorphic rocks, which was formed by Late Neoproterozoic to Cambrian high-grade metamorphism possibly related to the final phase of continent-continent collision during the assembly of Gondwana Supercontinent. 2014 Journal Article http://hdl.handle.net/20.500.11937/50944 restricted |
| spellingShingle | Koizumi, T. Tsunogae, T. Dunkley, Daniel Miyamoto, T. Kato, M. Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica |
| title | Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica |
| title_full | Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica |
| title_fullStr | Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica |
| title_full_unstemmed | Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica |
| title_short | Field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, East Antarctica |
| title_sort | field occurrence of high-grade metamorphic rocks at telen in the lutzow-holm complex, east antarctica |
| url | http://hdl.handle.net/20.500.11937/50944 |