Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania
Chemical U– Th – Pb dating of monazite from 12 schists throughout western and central Tasmania define a peak metamorphic age of ca 510 Ma. This age is very close to the age of arc – continent collision and ophiolite emplacement, implying very rapid uplift and cooling. To the south, along the western...
Published in: | Australian Journal of Earth Sciences |
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2007
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Online Access: | https://eprints.utas.edu.au/6492/ https://eprints.utas.edu.au/6492/1/51584.pdf https://doi.org/10.1080/08120090701305269 |
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ftunivtasmania:oai:eprints.utas.edu.au:6492 2023-05-15T13:36:46+02:00 Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania Berry, RF Chmielowski, RM Steele, DA Meffre, S 2007-07 application/pdf https://eprints.utas.edu.au/6492/ https://eprints.utas.edu.au/6492/1/51584.pdf https://doi.org/10.1080/08120090701305269 en eng https://eprints.utas.edu.au/6492/1/51584.pdf Berry, RF, Chmielowski, RM, Steele, DA and Meffre, S 2007 , 'Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania' , Australian Journal of Earth Sciences, vol. 54, no. 5 , pp. 757-771 , doi:10.1080/08120090701305269 <http://dx.doi.org/10.1080/08120090701305269>. cc_utas 260100 Geology Delamerian Orogeny geochronology metamorphism monazite Ross Orogeny Tasmania Tyennan Orogeny. Article PeerReviewed 2007 ftunivtasmania https://doi.org/10.1080/08120090701305269 2020-05-30T07:20:22Z Chemical U– Th – Pb dating of monazite from 12 schists throughout western and central Tasmania define a peak metamorphic age of ca 510 Ma. This age is very close to the age of arc – continent collision and ophiolite emplacement, implying very rapid uplift and cooling. To the south, along the western margin of the South Tasman Rise, metamorphism occurred later at 495 Ma, which correlates with a late stage of the Ross Orogeny, Antarctica. The Tyennan Orogeny in Tasmania has a three-stage history similar in age to the Delamerian Orogeny in South Australia. However, the Tyennan Orogeny only produced metamorphic rocks during the early stage associated with ophiolite obduction at 515 – 505 Ma. The intense compressional event recognised in the Delamerian and Ross Orogeny at 500 – 495 Ma is correlated with a mild basin inversion in Tasmania, and no metamorphism on mainland Tasmania has been recognised associated with this event. The westernmargin of the South Tasman Rise is a fragment of the Ross Orogen and does not correlate directly with Tasmania. Article in Journal/Newspaper Antarc* Antarctica University of Tasmania: UTas ePrints South Tasman Rise ENVELOPE(148.000,148.000,-47.500,-47.500) Australian Journal of Earth Sciences 54 5 757 771 |
institution |
Open Polar |
collection |
University of Tasmania: UTas ePrints |
op_collection_id |
ftunivtasmania |
language |
English |
topic |
260100 Geology Delamerian Orogeny geochronology metamorphism monazite Ross Orogeny Tasmania Tyennan Orogeny. |
spellingShingle |
260100 Geology Delamerian Orogeny geochronology metamorphism monazite Ross Orogeny Tasmania Tyennan Orogeny. Berry, RF Chmielowski, RM Steele, DA Meffre, S Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania |
topic_facet |
260100 Geology Delamerian Orogeny geochronology metamorphism monazite Ross Orogeny Tasmania Tyennan Orogeny. |
description |
Chemical U– Th – Pb dating of monazite from 12 schists throughout western and central Tasmania define a peak metamorphic age of ca 510 Ma. This age is very close to the age of arc – continent collision and ophiolite emplacement, implying very rapid uplift and cooling. To the south, along the western margin of the South Tasman Rise, metamorphism occurred later at 495 Ma, which correlates with a late stage of the Ross Orogeny, Antarctica. The Tyennan Orogeny in Tasmania has a three-stage history similar in age to the Delamerian Orogeny in South Australia. However, the Tyennan Orogeny only produced metamorphic rocks during the early stage associated with ophiolite obduction at 515 – 505 Ma. The intense compressional event recognised in the Delamerian and Ross Orogeny at 500 – 495 Ma is correlated with a mild basin inversion in Tasmania, and no metamorphism on mainland Tasmania has been recognised associated with this event. The westernmargin of the South Tasman Rise is a fragment of the Ross Orogen and does not correlate directly with Tasmania. |
format |
Article in Journal/Newspaper |
author |
Berry, RF Chmielowski, RM Steele, DA Meffre, S |
author_facet |
Berry, RF Chmielowski, RM Steele, DA Meffre, S |
author_sort |
Berry, RF |
title |
Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania |
title_short |
Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania |
title_full |
Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania |
title_fullStr |
Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania |
title_full_unstemmed |
Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania |
title_sort |
chemical u–th–pb monazite dating of the cambrian tyennan orogeny, tasmania |
publishDate |
2007 |
url |
https://eprints.utas.edu.au/6492/ https://eprints.utas.edu.au/6492/1/51584.pdf https://doi.org/10.1080/08120090701305269 |
long_lat |
ENVELOPE(148.000,148.000,-47.500,-47.500) |
geographic |
South Tasman Rise |
geographic_facet |
South Tasman Rise |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_relation |
https://eprints.utas.edu.au/6492/1/51584.pdf Berry, RF, Chmielowski, RM, Steele, DA and Meffre, S 2007 , 'Chemical U–Th–Pb monazite dating of the Cambrian Tyennan Orogeny, Tasmania' , Australian Journal of Earth Sciences, vol. 54, no. 5 , pp. 757-771 , doi:10.1080/08120090701305269 <http://dx.doi.org/10.1080/08120090701305269>. |
op_rights |
cc_utas |
op_doi |
https://doi.org/10.1080/08120090701305269 |
container_title |
Australian Journal of Earth Sciences |
container_volume |
54 |
container_issue |
5 |
container_start_page |
757 |
op_container_end_page |
771 |
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1766083802707263488 |