Sediment provenance in the Northern South China Sea since the Late Miocene
The timing of the onset of Taiwan sediment input to the northern South China Sea (SCS) is still controversial even though many provenance proxies had been used. To analyze the change of Taiwan input since the Late Miocene (11.63–0 Ma), we applied the major-element-based proxies R AK and R KCN, combi...
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ftdoajarticles:oai:doaj.org/article:ee5d2dee58c44b7eaa42264b08e55d3c 2024-09-09T19:45:25+00:00 Sediment provenance in the Northern South China Sea since the Late Miocene Hu Zhe Huang Baoqi Geng Li Wang Na 2022-12-01T00:00:00Z https://doi.org/10.1515/geo-2022-0454 https://doaj.org/article/ee5d2dee58c44b7eaa42264b08e55d3c EN eng De Gruyter https://doi.org/10.1515/geo-2022-0454 https://doaj.org/toc/2391-5447 2391-5447 doi:10.1515/geo-2022-0454 https://doaj.org/article/ee5d2dee58c44b7eaa42264b08e55d3c Open Geosciences, Vol 14, Iss 1, Pp 1636-1649 (2022) south china sea source-to-sink late miocene taiwan input sea level Geology QE1-996.5 article 2022 ftdoajarticles https://doi.org/10.1515/geo-2022-0454 2024-08-05T17:49:36Z The timing of the onset of Taiwan sediment input to the northern South China Sea (SCS) is still controversial even though many provenance proxies had been used. To analyze the change of Taiwan input since the Late Miocene (11.63–0 Ma), we applied the major-element-based proxies R AK and R KCN, combined with the published clay mineral and Sr–Nd isotope data, to study the sediment provenance near the northern SCS slope. The results show that significant Taiwan sediment input began at ∼6.5 Ma in the Late Miocene, consistent with the timing of Taiwan uplift. Moreover, Pearl River input increased after ∼3.6 Ma, corresponding to the sea level fall caused by the ice sheet expansion in the Northern Hemisphere. The Taiwan input increased during the Mid-Pleistocene Transition (MPT, 1.25–0.7 Ma) because of the Northern Pacific Intermediate Water expansion. After the MPT, the Pearl River input re-increased in response to the lowered sea level in glacials. In general, tectonic activities such as the Taiwan uplift control the sediment provenance in the northern SCS from 6.5 to 3.6 Ma. After 3.6 Ma, as the weathering regime of Taiwan sediment became more stable, climate change became a more important factor in influencing sediment provenance. Article in Journal/Newspaper Ice Sheet Directory of Open Access Journals: DOAJ Articles Pacific Open Geosciences 14 1 1636 1649 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
south china sea source-to-sink late miocene taiwan input sea level Geology QE1-996.5 |
spellingShingle |
south china sea source-to-sink late miocene taiwan input sea level Geology QE1-996.5 Hu Zhe Huang Baoqi Geng Li Wang Na Sediment provenance in the Northern South China Sea since the Late Miocene |
topic_facet |
south china sea source-to-sink late miocene taiwan input sea level Geology QE1-996.5 |
description |
The timing of the onset of Taiwan sediment input to the northern South China Sea (SCS) is still controversial even though many provenance proxies had been used. To analyze the change of Taiwan input since the Late Miocene (11.63–0 Ma), we applied the major-element-based proxies R AK and R KCN, combined with the published clay mineral and Sr–Nd isotope data, to study the sediment provenance near the northern SCS slope. The results show that significant Taiwan sediment input began at ∼6.5 Ma in the Late Miocene, consistent with the timing of Taiwan uplift. Moreover, Pearl River input increased after ∼3.6 Ma, corresponding to the sea level fall caused by the ice sheet expansion in the Northern Hemisphere. The Taiwan input increased during the Mid-Pleistocene Transition (MPT, 1.25–0.7 Ma) because of the Northern Pacific Intermediate Water expansion. After the MPT, the Pearl River input re-increased in response to the lowered sea level in glacials. In general, tectonic activities such as the Taiwan uplift control the sediment provenance in the northern SCS from 6.5 to 3.6 Ma. After 3.6 Ma, as the weathering regime of Taiwan sediment became more stable, climate change became a more important factor in influencing sediment provenance. |
format |
Article in Journal/Newspaper |
author |
Hu Zhe Huang Baoqi Geng Li Wang Na |
author_facet |
Hu Zhe Huang Baoqi Geng Li Wang Na |
author_sort |
Hu Zhe |
title |
Sediment provenance in the Northern South China Sea since the Late Miocene |
title_short |
Sediment provenance in the Northern South China Sea since the Late Miocene |
title_full |
Sediment provenance in the Northern South China Sea since the Late Miocene |
title_fullStr |
Sediment provenance in the Northern South China Sea since the Late Miocene |
title_full_unstemmed |
Sediment provenance in the Northern South China Sea since the Late Miocene |
title_sort |
sediment provenance in the northern south china sea since the late miocene |
publisher |
De Gruyter |
publishDate |
2022 |
url |
https://doi.org/10.1515/geo-2022-0454 https://doaj.org/article/ee5d2dee58c44b7eaa42264b08e55d3c |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_source |
Open Geosciences, Vol 14, Iss 1, Pp 1636-1649 (2022) |
op_relation |
https://doi.org/10.1515/geo-2022-0454 https://doaj.org/toc/2391-5447 2391-5447 doi:10.1515/geo-2022-0454 https://doaj.org/article/ee5d2dee58c44b7eaa42264b08e55d3c |
op_doi |
https://doi.org/10.1515/geo-2022-0454 |
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Open Geosciences |
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14 |
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1 |
container_start_page |
1636 |
op_container_end_page |
1649 |
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1809915015188185088 |