Provenance of the Late Permian Xuanwei Formation in the Upper Yangtze Block: Constraints from the Sedimentary Record and Tectonic Implications
Xuanwei Formation is composed of mudstone, siltstone, and sandstone, with local conglomerate. However, its provenance and tectonic setting have been scarcely studied. In this paper, we use sedimentology, electron probe microanalysis (EPMA), and detrital zircon dating to investigate its source area a...
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| Veröffentlicht in: | Acta geologica Sinica (Beijing) 2019-12, Vol.93 (6), p.1673-1686 |
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| description | Xuanwei Formation is composed of mudstone, siltstone, and sandstone, with local conglomerate. However, its provenance and tectonic setting have been scarcely studied. In this paper, we use sedimentology, electron probe microanalysis (EPMA), and detrital zircon dating to investigate its source area and depositional tectonic setting. The facies assemblages indicate that it formed in alluvial fan and fluvial river sedimentary environments. The strata thicknesses and facies distribution indicate that the sediment supply was from the west. The results of EPMA show that chromian spinels within the sediments are characterized by high Cr# and varying Mg#. Discrimination plots suggest that these spinels were sourced from large igneous province (LIP) magmatic rocks. The laser ablation inductively coupled plasma mass spectrometry (LA‐ICP‐MS) U–Pb chronology of detrital zircons suggests that the sediments were derived from intermediate–acid igneous rocks dating back to 251–260 Ma. We could, therefore, conclude that the provenance of the Xuanwei Formation is from Emeishan basalt and synchronous felsic igneous rocks, which is consistent with the composition of the detrital framework. The detrital zircon dates also suggest that felsic magmatism occurred during the Late Permian, not after the eruption of the Emeishan basalt. Based on the sedimentary successions and provenance analysis, the tectonic setting for Xuanwei Formation deposition was a volcanic rifted margin. |
| doi_str_mv | 10.1111/1755-6724.13866 |
| format | Article |
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However, its provenance and tectonic setting have been scarcely studied. In this paper, we use sedimentology, electron probe microanalysis (EPMA), and detrital zircon dating to investigate its source area and depositional tectonic setting. The facies assemblages indicate that it formed in alluvial fan and fluvial river sedimentary environments. The strata thicknesses and facies distribution indicate that the sediment supply was from the west. The results of EPMA show that chromian spinels within the sediments are characterized by high Cr# and varying Mg#. Discrimination plots suggest that these spinels were sourced from large igneous province (LIP) magmatic rocks. The laser ablation inductively coupled plasma mass spectrometry (LA‐ICP‐MS) U–Pb chronology of detrital zircons suggests that the sediments were derived from intermediate–acid igneous rocks dating back to 251–260 Ma. We could, therefore, conclude that the provenance of the Xuanwei Formation is from Emeishan basalt and synchronous felsic igneous rocks, which is consistent with the composition of the detrital framework. The detrital zircon dates also suggest that felsic magmatism occurred during the Late Permian, not after the eruption of the Emeishan basalt. Based on the sedimentary successions and provenance analysis, the tectonic setting for Xuanwei Formation deposition was a volcanic rifted margin.</description><edition>English ed.</edition><identifier>ISSN: 1000-9515</identifier><identifier>EISSN: 1755-6724</identifier><identifier>DOI: 10.1111/1755-6724.13866</identifier><language>eng</language><publisher>Richmond: Wiley Subscription Services, Inc</publisher><subject>Ablation ; Alluvial deposits ; Alluvial fans ; Basalt ; chromian spinel ; Chronology ; Conglomerates ; Dating ; detrital zircon geochronology ; Electron probe ; Electron probe microanalysis ; Electron probes ; Fluvial sediments ; Geological time ; Igneous rocks ; Inductively coupled plasma mass spectrometry ; Laser ablation ; Lasers ; Magma ; Mass spectrometry ; Mass spectroscopy ; Mudstone ; Permian ; Provenance ; provenance analysis ; Rivers ; Sandstone ; Sediment ; Sedimentary environments ; Sedimentary facies ; Sedimentary rocks ; Sedimentology ; Sediments ; Siltstone ; Spinel ; Tectonics ; volcanic rifted margin ; Water analysis ; Xuanwei Formation ; Zircon</subject><ispartof>Acta geologica Sinica (Beijing), 2019-12, Vol.93 (6), p.1673-1686</ispartof><rights>2019 Geological Society of China</rights><rights>Copyright © Wanfang Data Co. 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All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3486-c4b068a5b47479494bfa1ec018ef9824fafcdafeb4f61b0adde14f56a2616ae3</citedby><cites>FETCH-LOGICAL-c3486-c4b068a5b47479494bfa1ec018ef9824fafcdafeb4f61b0adde14f56a2616ae3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.wanfangdata.com.cn/images/PeriodicalImages/dzxb-e/dzxb-e.jpg</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2F1755-6724.13866$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2F1755-6724.13866$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids></links><search><creatorcontrib>ZHANG, Yingli</creatorcontrib><creatorcontrib>JIA, Xiaotong</creatorcontrib><creatorcontrib>WANG, Zongqi</creatorcontrib><title>Provenance of the Late Permian Xuanwei Formation in the Upper Yangtze Block: Constraints from the Sedimentary Record and Tectonic Implications</title><title>Acta geologica Sinica (Beijing)</title><description>Xuanwei Formation is composed of mudstone, siltstone, and sandstone, with local conglomerate. However, its provenance and tectonic setting have been scarcely studied. In this paper, we use sedimentology, electron probe microanalysis (EPMA), and detrital zircon dating to investigate its source area and depositional tectonic setting. The facies assemblages indicate that it formed in alluvial fan and fluvial river sedimentary environments. The strata thicknesses and facies distribution indicate that the sediment supply was from the west. The results of EPMA show that chromian spinels within the sediments are characterized by high Cr# and varying Mg#. Discrimination plots suggest that these spinels were sourced from large igneous province (LIP) magmatic rocks. The laser ablation inductively coupled plasma mass spectrometry (LA‐ICP‐MS) U–Pb chronology of detrital zircons suggests that the sediments were derived from intermediate–acid igneous rocks dating back to 251–260 Ma. We could, therefore, conclude that the provenance of the Xuanwei Formation is from Emeishan basalt and synchronous felsic igneous rocks, which is consistent with the composition of the detrital framework. The detrital zircon dates also suggest that felsic magmatism occurred during the Late Permian, not after the eruption of the Emeishan basalt. Based on the sedimentary successions and provenance analysis, the tectonic setting for Xuanwei Formation deposition was a volcanic rifted margin.</description><subject>Ablation</subject><subject>Alluvial deposits</subject><subject>Alluvial fans</subject><subject>Basalt</subject><subject>chromian spinel</subject><subject>Chronology</subject><subject>Conglomerates</subject><subject>Dating</subject><subject>detrital zircon geochronology</subject><subject>Electron probe</subject><subject>Electron probe microanalysis</subject><subject>Electron probes</subject><subject>Fluvial sediments</subject><subject>Geological time</subject><subject>Igneous rocks</subject><subject>Inductively coupled plasma mass spectrometry</subject><subject>Laser ablation</subject><subject>Lasers</subject><subject>Magma</subject><subject>Mass spectrometry</subject><subject>Mass spectroscopy</subject><subject>Mudstone</subject><subject>Permian</subject><subject>Provenance</subject><subject>provenance analysis</subject><subject>Rivers</subject><subject>Sandstone</subject><subject>Sediment</subject><subject>Sedimentary environments</subject><subject>Sedimentary facies</subject><subject>Sedimentary rocks</subject><subject>Sedimentology</subject><subject>Sediments</subject><subject>Siltstone</subject><subject>Spinel</subject><subject>Tectonics</subject><subject>volcanic rifted margin</subject><subject>Water analysis</subject><subject>Xuanwei Formation</subject><subject>Zircon</subject><issn>1000-9515</issn><issn>1755-6724</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkU1v2zAMho1hBdZ1O_cqoIednEq2pNi7dUG_gAAr2hRYTwItU5vaWHIlpV8_Yr95SlKsx_JCgnhIvsRbFPuMTliOQzYVopTTik9Y3Uj5odj93_mYa0pp2QomPhWfY7ylVArJxG7x9yL4B3TgNBJvSPqDZA4JyQWGwYIjv1bgHtGSEx8GSNY7Yt2Guh5HDOQG3O_0guTH0uu772TmXUwBrEuRmOCHDXmFvR3QJQjP5BK1Dz0B15MF6uSd1eR8GJdWb5bHL8WOgWXEr695r1icHC9mZ-X85-n57Ghe6po3stS8o7IB0fEpn7a85Z0BhpqyBk3bVNyA0T0Y7LiRrKPQ98i4ERIqySRgvVd82659BGfyC-rWr4LLB1X_8tQprChrqaRUZPJgS47B368wpje0qmtWZRlUZupwS-ngYwxo1BjskB9WjKq1O2rthVp7oTbu5An5qsAu8fk9XB3NTq-2g_8AP3CTnQ</recordid><startdate>201912</startdate><enddate>201912</enddate><creator>ZHANG, Yingli</creator><creator>JIA, Xiaotong</creator><creator>WANG, Zongqi</creator><general>Wiley Subscription Services, Inc</general><general>MNR Key Laboratory of Metallogeny and Mineral Assessment, Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China%Engineering Seismology Institute of Zhejiang Province, Hangzhou 310013, China</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KR7</scope><scope>L.G</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>201912</creationdate><title>Provenance of the Late Permian Xuanwei Formation in the Upper Yangtze Block: Constraints from the Sedimentary Record and Tectonic Implications</title><author>ZHANG, Yingli ; JIA, Xiaotong ; WANG, Zongqi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3486-c4b068a5b47479494bfa1ec018ef9824fafcdafeb4f61b0adde14f56a2616ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Ablation</topic><topic>Alluvial deposits</topic><topic>Alluvial fans</topic><topic>Basalt</topic><topic>chromian spinel</topic><topic>Chronology</topic><topic>Conglomerates</topic><topic>Dating</topic><topic>detrital zircon geochronology</topic><topic>Electron probe</topic><topic>Electron probe microanalysis</topic><topic>Electron probes</topic><topic>Fluvial sediments</topic><topic>Geological time</topic><topic>Igneous rocks</topic><topic>Inductively coupled plasma mass spectrometry</topic><topic>Laser ablation</topic><topic>Lasers</topic><topic>Magma</topic><topic>Mass spectrometry</topic><topic>Mass spectroscopy</topic><topic>Mudstone</topic><topic>Permian</topic><topic>Provenance</topic><topic>provenance analysis</topic><topic>Rivers</topic><topic>Sandstone</topic><topic>Sediment</topic><topic>Sedimentary environments</topic><topic>Sedimentary facies</topic><topic>Sedimentary rocks</topic><topic>Sedimentology</topic><topic>Sediments</topic><topic>Siltstone</topic><topic>Spinel</topic><topic>Tectonics</topic><topic>volcanic rifted margin</topic><topic>Water analysis</topic><topic>Xuanwei Formation</topic><topic>Zircon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ZHANG, Yingli</creatorcontrib><creatorcontrib>JIA, Xiaotong</creatorcontrib><creatorcontrib>WANG, Zongqi</creatorcontrib><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Acta geologica Sinica (Beijing)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ZHANG, Yingli</au><au>JIA, Xiaotong</au><au>WANG, Zongqi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Provenance of the Late Permian Xuanwei Formation in the Upper Yangtze Block: Constraints from the Sedimentary Record and Tectonic Implications</atitle><jtitle>Acta geologica Sinica (Beijing)</jtitle><date>2019-12</date><risdate>2019</risdate><volume>93</volume><issue>6</issue><spage>1673</spage><epage>1686</epage><pages>1673-1686</pages><issn>1000-9515</issn><eissn>1755-6724</eissn><abstract>Xuanwei Formation is composed of mudstone, siltstone, and sandstone, with local conglomerate. However, its provenance and tectonic setting have been scarcely studied. In this paper, we use sedimentology, electron probe microanalysis (EPMA), and detrital zircon dating to investigate its source area and depositional tectonic setting. The facies assemblages indicate that it formed in alluvial fan and fluvial river sedimentary environments. The strata thicknesses and facies distribution indicate that the sediment supply was from the west. The results of EPMA show that chromian spinels within the sediments are characterized by high Cr# and varying Mg#. Discrimination plots suggest that these spinels were sourced from large igneous province (LIP) magmatic rocks. The laser ablation inductively coupled plasma mass spectrometry (LA‐ICP‐MS) U–Pb chronology of detrital zircons suggests that the sediments were derived from intermediate–acid igneous rocks dating back to 251–260 Ma. We could, therefore, conclude that the provenance of the Xuanwei Formation is from Emeishan basalt and synchronous felsic igneous rocks, which is consistent with the composition of the detrital framework. The detrital zircon dates also suggest that felsic magmatism occurred during the Late Permian, not after the eruption of the Emeishan basalt. Based on the sedimentary successions and provenance analysis, the tectonic setting for Xuanwei Formation deposition was a volcanic rifted margin.</abstract><cop>Richmond</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/1755-6724.13866</doi><tpages>14</tpages><edition>English ed.</edition></addata></record> |
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| subjects | Ablation Alluvial deposits Alluvial fans Basalt chromian spinel Chronology Conglomerates Dating detrital zircon geochronology Electron probe Electron probe microanalysis Electron probes Fluvial sediments Geological time Igneous rocks Inductively coupled plasma mass spectrometry Laser ablation Lasers Magma Mass spectrometry Mass spectroscopy Mudstone Permian Provenance provenance analysis Rivers Sandstone Sediment Sedimentary environments Sedimentary facies Sedimentary rocks Sedimentology Sediments Siltstone Spinel Tectonics volcanic rifted margin Water analysis Xuanwei Formation Zircon |
| title | Provenance of the Late Permian Xuanwei Formation in the Upper Yangtze Block: Constraints from the Sedimentary Record and Tectonic Implications |
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