{"id":"https://openalex.org/W3131471253","doi":"https://doi.org/10.1016/j.coal.2021.103707","title":"Mineralogical and geochemical characteristics of altered volcanic ashes (tonsteins and K-bentonites) from the latest Permian coal-bearing strata of western Guizhou Province, southwestern China","display_name":"Mineralogical and geochemical characteristics of altered volcanic ashes (tonsteins and K-bentonites) from the latest Permian coal-bearing strata of western Guizhou Province, southwestern China","publication_year":2021,"publication_date":"2021-02-21","ids":{"openalex":"https://openalex.org/W3131471253","doi":"https://doi.org/10.1016/j.coal.2021.103707","mag":"3131471253"},"language":"en","primary_location":{"id":"doi:10.1016/j.coal.2021.103707","doi":"https://doi.org/10.1016/j.coal.2021.103707","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.coal.2021.103707","pdf_url":null,"source":{"id":"https://openalex.org/S6747076","display_name":"International Journal of Coal Geology","issn_l":"0166-5162","issn":["0166-5162","1872-7840"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-2","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Coal Geology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/j.coal.2021.103707","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042964624","display_name":"Minglian Shen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]},{"id":"https://openalex.org/I4391767921","display_name":"State Key Laboratory of Coal Resources and Safe Mining","ror":"https://ror.org/02ywpz459","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]},{"id":"https://openalex.org/I4399598474","display_name":"China University of Mining and Technology - Beijing","ror":"https://ror.org/003ncxf91","country_code":"CN","type":"education","lineage":["https://openalex.org/I4399598474"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minglian Shen","raw_affiliation_strings":["College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","institution_ids":["https://openalex.org/I4399598474"]},{"raw_affiliation_string":"State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China","institution_ids":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010913993","display_name":"Shifeng Dai","orcid":"https://orcid.org/0000-0002-9770-1369","observed_orcids":["https://orcid.org/0000-0002-9770-1369"]},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]},{"id":"https://openalex.org/I4391767921","display_name":"State Key Laboratory of Coal Resources and Safe Mining","ror":"https://ror.org/02ywpz459","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]},{"id":"https://openalex.org/I4399598474","display_name":"China University of Mining and Technology - Beijing","ror":"https://ror.org/003ncxf91","country_code":"CN","type":"education","lineage":["https://openalex.org/I4399598474"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shifeng Dai","raw_affiliation_strings":["College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","institution_ids":["https://openalex.org/I4399598474"]},{"raw_affiliation_string":"State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China","institution_ids":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062544134","display_name":"Ian Terence Graham","orcid":"https://orcid.org/0000-0001-9112-0865","observed_orcids":["https://orcid.org/0000-0001-9112-0865"]},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ian T. Graham","raw_affiliation_strings":["School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022450339","display_name":"Victor P. Nechaev","orcid":"https://orcid.org/0000-0002-6229-5495","observed_orcids":["https://orcid.org/0000-0002-6229-5495"]},"institutions":[{"id":"https://openalex.org/I4210089166","display_name":"Far East Geological Institute","ror":"https://ror.org/009g8f974","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210089166","https://openalex.org/I4210163714"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Victor P. Nechaev","raw_affiliation_strings":["Far East Geological Institute, 159, Pr 100-let Vladivostoku, Vladivostok 690022, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Far East Geological Institute, 159, Pr 100-let Vladivostoku, Vladivostok 690022, Russia","institution_ids":["https://openalex.org/I4210089166"]}]},{"author_position":"middle","author":{"id":null,"display_name":"David French","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"David French","raw_affiliation_strings":["School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, New South Wales 2052, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101766840","display_name":"Fenghua Zhao","orcid":"https://orcid.org/0000-0002-3938-9987","observed_orcids":["https://orcid.org/0000-0002-3938-9987"]},"institutions":[{"id":"https://openalex.org/I4399598474","display_name":"China University of Mining and Technology - Beijing","ror":"https://ror.org/003ncxf91","country_code":"CN","type":"education","lineage":["https://openalex.org/I4399598474"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fenghua Zhao","raw_affiliation_strings":["College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","institution_ids":["https://openalex.org/I4399598474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023003445","display_name":"Longyi Shao","orcid":"https://orcid.org/0000-0001-9975-6091","observed_orcids":["https://orcid.org/0000-0001-9975-6091"]},"institutions":[{"id":"https://openalex.org/I4399598474","display_name":"China University of Mining and Technology - Beijing","ror":"https://ror.org/003ncxf91","country_code":"CN","type":"education","lineage":["https://openalex.org/I4399598474"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Longyi Shao","raw_affiliation_strings":["College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","institution_ids":["https://openalex.org/I4399598474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008511971","display_name":"Shande Liu","orcid":"https://orcid.org/0000-0001-7236-6114","observed_orcids":["https://orcid.org/0000-0001-7236-6114"]},"institutions":[{"id":"https://openalex.org/I4405282397","display_name":"CCTEG Xi'an Research Institute (China)","ror":"https://ror.org/05scfne09","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210151703","https://openalex.org/I4405282397"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shande Liu","raw_affiliation_strings":["Xi'an Research Institute, China Coal Technology and Engineering Group, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Xi'an Research Institute, China Coal Technology and Engineering Group, Xi'an, China","institution_ids":["https://openalex.org/I4405282397"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036608037","display_name":"Jianping Zuo","orcid":"https://orcid.org/0000-0002-5547-089X","observed_orcids":["https://orcid.org/0000-0002-5547-089X"]},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]},{"id":"https://openalex.org/I4391767921","display_name":"State Key Laboratory of Coal Resources and Safe Mining","ror":"https://ror.org/02ywpz459","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianping Zuo","raw_affiliation_strings":["State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China","institution_ids":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064093464","display_name":"Jingtao Zhao","orcid":"https://orcid.org/0000-0001-9852-5187","observed_orcids":["https://orcid.org/0000-0001-9852-5187"]},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]},{"id":"https://openalex.org/I4391767921","display_name":"State Key Laboratory of Coal Resources and Safe Mining","ror":"https://ror.org/02ywpz459","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingtao Zhao","raw_affiliation_strings":["State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China","institution_ids":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100437975","display_name":"Kai Chen","orcid":"https://orcid.org/0000-0002-5395-3847","observed_orcids":["https://orcid.org/0000-0002-5395-3847","https://orcid.org/0009-0005-6212-998X"]},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]},{"id":"https://openalex.org/I4391767921","display_name":"State Key Laboratory of Coal Resources and Safe Mining","ror":"https://ror.org/02ywpz459","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]},{"id":"https://openalex.org/I4399598474","display_name":"China University of Mining and Technology - Beijing","ror":"https://ror.org/003ncxf91","country_code":"CN","type":"education","lineage":["https://openalex.org/I4399598474"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kun Chen","raw_affiliation_strings":["College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","institution_ids":["https://openalex.org/I4399598474"]},{"raw_affiliation_string":"State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China","institution_ids":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016875091","display_name":"Xuanhao Xie","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]},{"id":"https://openalex.org/I4391767921","display_name":"State Key Laboratory of Coal Resources and Safe Mining","ror":"https://ror.org/02ywpz459","country_code":"CN","type":"facility","lineage":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]},{"id":"https://openalex.org/I4399598474","display_name":"China University of Mining and Technology - Beijing","ror":"https://ror.org/003ncxf91","country_code":"CN","type":"education","lineage":["https://openalex.org/I4399598474"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuanhao Xie","raw_affiliation_strings":["College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geoscience and Survey Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China","institution_ids":["https://openalex.org/I4399598474"]},{"raw_affiliation_string":"State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, China","institution_ids":["https://openalex.org/I25757504","https://openalex.org/I4391767921"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5010913993"],"corresponding_institution_ids":["https://openalex.org/I25757504","https://openalex.org/I4391767921","https://openalex.org/I4399598474"],"apc_list":{"value":3660,"currency":"USD","value_usd":3660},"apc_paid":{"value":3660,"currency":"USD","value_usd":3660},"fwci":7.1196,"has_fulltext":false,"cited_by_count":76,"citation_normalized_percentile":{"value":0.9884696,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"237","issue":null,"first_page":"103707","last_page":"103707"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12218","display_name":"Coal and Its By-products","score":0.513700008392334,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12218","display_name":"Coal and Its By-products","score":0.513700008392334,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11740","display_name":"Geochemistry and Elemental Analysis","score":0.219200000166893,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.21389999985694885,"subfield":{"id":"https://openalex.org/subfields/1911","display_name":"Paleontology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/tonstein","display_name":"tonstein","score":0.953000009059906},{"id":"https://openalex.org/keywords/k-bentonite","display_name":"K-bentonite","score":0.9929999709129333},{"id":"https://openalex.org/keywords/kaolinite","display_name":"kaolinite","score":0.7540000081062317},{"id":"https://openalex.org/keywords/mixed-layer-illite-smectite","display_name":"mixed-layer illite/smectite","score":0.9150000214576721},{"id":"https://openalex.org/keywords/end-permian-mass-extinction","display_name":"end-Permian mass extinction","score":0.8840000033378601},{"id":"https://openalex.org/keywords/permian-triassic-boundary","display_name":"Permian-Triassic boundary","score":0.906000018119812},{"id":"https://openalex.org/keywords/coal-measures","display_name":"coal measures","score":0.925000011920929},{"id":"https://openalex.org/keywords/provenance","display_name":"provenance","score":0.5649999976158142},{"id":"https://openalex.org/keywords/rare-earth-elements","display_name":"rare earth elements","score":0.6890000104904175},{"id":"https://openalex.org/keywords/europium-anomaly","display_name":"Eu anomaly","score":0.5759999752044678},{"id":"https://openalex.org/keywords/burial-diagenesis","display_name":"burial diagenesis","score":0.7590000033378601},{"id":"https://openalex.org/keywords/western-guizhou","display_name":"western Guizhou","score":0.7480000257492065}],"concepts":[{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.8883858323097229},{"id":"https://openalex.org/C193429443","wikidata":"https://www.wikidata.org/wiki/Q847257","display_name":"Felsic","level":3,"score":0.7894179821014404},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.7018857002258301},{"id":"https://openalex.org/C2778849375","wikidata":"https://www.wikidata.org/wiki/Q178928","display_name":"Zircon","level":2,"score":0.6428614854812622},{"id":"https://openalex.org/C2779429093","wikidata":"https://www.wikidata.org/wiki/Q1145804","display_name":"Illite","level":3,"score":0.5691741108894348},{"id":"https://openalex.org/C130452526","wikidata":"https://www.wikidata.org/wiki/Q180621","display_name":"Diagenesis","level":2,"score":0.5519197583198547},{"id":"https://openalex.org/C95869378","wikidata":"https://www.wikidata.org/wiki/Q512121","display_name":"Pyroclastic rock","level":3,"score":0.5336317420005798},{"id":"https://openalex.org/C64551749","wikidata":"https://www.wikidata.org/wiki/Q107099","display_name":"Volcanic ash","level":3,"score":0.5316463112831116},{"id":"https://openalex.org/C2779899878","wikidata":"https://www.wikidata.org/wiki/Q223197","display_name":"Kaolinite","level":2,"score":0.4402984082698822},{"id":"https://openalex.org/C40212044","wikidata":"https://www.wikidata.org/wiki/Q1799034","display_name":"Clay minerals","level":2,"score":0.4398859739303589},{"id":"https://openalex.org/C2776543301","wikidata":"https://www.wikidata.org/wiki/Q107749","display_name":"Volcanic glass","level":4,"score":0.43706780672073364},{"id":"https://openalex.org/C83365034","wikidata":"https://www.wikidata.org/wiki/Q76402","display_name":"Permian","level":3,"score":0.4358077347278595},{"id":"https://openalex.org/C2780049196","wikidata":"https://www.wikidata.org/wiki/Q23582628","display_name":"Provenance","level":2,"score":0.43174540996551514},{"id":"https://openalex.org/C192241223","wikidata":"https://www.wikidata.org/wiki/Q108689","display_name":"Volcanic rock","level":3,"score":0.4032418727874756},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.3577868640422821},{"id":"https://openalex.org/C120806208","wikidata":"https://www.wikidata.org/wiki/Q8072","display_name":"Volcano","level":2,"score":0.34944993257522583},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.106851726770401},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.coal.2021.103707","doi":"https://doi.org/10.1016/j.coal.2021.103707","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.coal.2021.103707","pdf_url":null,"source":{"id":"https://openalex.org/S6747076","display_name":"International Journal of Coal Geology","issn_l":"0166-5162","issn":["0166-5162","1872-7840"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-2","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Coal Geology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/j.coal.2021.103707","doi":"https://doi.org/10.1016/j.coal.2021.103707","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.coal.2021.103707","pdf_url":null,"source":{"id":"https://openalex.org/S6747076","display_name":"International Journal of Coal Geology","issn_l":"0166-5162","issn":["0166-5162","1872-7840"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-2","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Coal Geology","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2046774486","display_name":"\u7164\u578b\u5173\u952e\u91d1\u5c5e\u77ff\u5e8a\u4e2d\u6210\u77ff\u5143\u7d20\u5bcc\u96c6\u7684\u5730\u7403\u5316\u5b66\u884c\u4e3a\u4e0e\u673a\u5236","funder_award_id":"91962220","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G243947524","display_name":null,"funder_award_id":"U1810202","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3060086238","display_name":null,"funder_award_id":"201906430025","funder_id":"https://openalex.org/F4320322725","funder_display_name":"China Scholarship Council"},{"id":"https://openalex.org/G7143353035","display_name":null,"funder_award_id":"B17042","funder_id":"https://openalex.org/F4320327912","funder_display_name":"Higher Education Discipline Innovation Project"}],"funders":[{"id":"https://openalex.org/F4320320965","display_name":"University of New South Wales","ror":"https://ror.org/03r8z3t63"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"},{"id":"https://openalex.org/F4320327912","display_name":"Higher Education Discipline Innovation Project","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":84,"referenced_works":["https://openalex.org/W23021342","https://openalex.org/W612051849","https://openalex.org/W630393938","https://openalex.org/W1653504510","https://openalex.org/W1943247199","https://openalex.org/W1972110683","https://openalex.org/W1974356108","https://openalex.org/W1976535892","https://openalex.org/W1981316911","https://openalex.org/W1983335280","https://openalex.org/W1985825959","https://openalex.org/W1988114452","https://openalex.org/W1988627424","https://openalex.org/W1992245388","https://openalex.org/W1996695872","https://openalex.org/W1999448338","https://openalex.org/W2004527091","https://openalex.org/W2011538389","https://openalex.org/W2013259970","https://openalex.org/W2013867612","https://openalex.org/W2016532831","https://openalex.org/W2018799950","https://openalex.org/W2019040497","https://openalex.org/W2019737722","https://openalex.org/W2022681256","https://openalex.org/W2025067794","https://openalex.org/W2028814276","https://openalex.org/W2031194632","https://openalex.org/W2037865108","https://openalex.org/W2038066842","https://openalex.org/W2039638835","https://openalex.org/W2043621358","https://openalex.org/W2047266112","https://openalex.org/W2049900380","https://openalex.org/W2051647119","https://openalex.org/W2053618511","https://openalex.org/W2056790688","https://openalex.org/W2058684456","https://openalex.org/W2062039066","https://openalex.org/W2064493626","https://openalex.org/W2066631639","https://openalex.org/W2066695862","https://openalex.org/W2072014794","https://openalex.org/W2072084297","https://openalex.org/W2072306258","https://openalex.org/W2072309801","https://openalex.org/W2084239657","https://openalex.org/W2086654758","https://openalex.org/W2087791495","https://openalex.org/W2119190404","https://openalex.org/W2119756985","https://openalex.org/W2134241091","https://openalex.org/W2161188118","https://openalex.org/W2166873451","https://openalex.org/W2204159899","https://openalex.org/W2323971120","https://openalex.org/W2342348073","https://openalex.org/W2408912865","https://openalex.org/W2474802184","https://openalex.org/W2513862256","https://openalex.org/W2522908652","https://openalex.org/W2547053780","https://openalex.org/W2594806432","https://openalex.org/W2765826630","https://openalex.org/W2783193185","https://openalex.org/W2805119754","https://openalex.org/W2807789141","https://openalex.org/W2896498415","https://openalex.org/W2900335747","https://openalex.org/W2901390850","https://openalex.org/W2905489157","https://openalex.org/W2945539817","https://openalex.org/W2946400838","https://openalex.org/W2947098314","https://openalex.org/W2960156931","https://openalex.org/W2981771288","https://openalex.org/W2996539659","https://openalex.org/W2998976463","https://openalex.org/W3007118869","https://openalex.org/W3014726533","https://openalex.org/W3029012537","https://openalex.org/W3041432839","https://openalex.org/W3091487848","https://openalex.org/W4300219558"],"related_works":["https://openalex.org/W2025067794","https://openalex.org/W2792664254","https://openalex.org/W2013867612","https://openalex.org/W3119890731","https://openalex.org/W2408912865","https://openalex.org/W4313462470","https://openalex.org/W3207008503","https://openalex.org/W1988114452","https://openalex.org/W2945539817","https://openalex.org/W4402965064"],"abstract_inverted_index":{"Although":[0],"the":[1,22,28,40,49,59,68,72,116,125,140,164,179,212,235,254,257,261,267,271,275,278],"geochemical":[2,43],"and":[3,6,42,64,80,87,109,120,150,170,176,205,207,214,228,237,252,274],"mineralogical":[4,41],"characteristics":[5],"provenance":[7],"of":[8,45,54,62,107,112,123,142,181,199,256,270,277],"Permian-Triassic":[9],"boundary":[10],"(PTB)":[11],"widespread":[12],"volcanic":[13,23,46,69,165,220,250,263],"ashes":[14,24,47,70],"from":[15,48,183,241],"southern":[16],"China":[17],"have":[18,33,130],"been":[19,35],"well":[20,146],"investigated,":[21],"just":[25],"prior":[26],"to":[27,129,218],"end-Permian":[29],"mass":[30],"extinction":[31],"(EPME)":[32],"rarely":[34],"studied.":[36],"This":[37],"paper":[38],"presents":[39],"compositions":[44],"latest":[50],"Permian":[51],"coal-bearing":[52],"strata":[53],"southwest":[55],"China.":[56],"Based":[57,114],"on":[58,115],"relative":[60],"abundances":[61],"kaolinite":[63,86],"mixed-layer":[65],"illite/smectite":[66],"(I/S),":[67],"in":[71,92,98,155,174],"present":[73],"study":[74],"can":[75],"be":[76],"divided":[77],"into":[78],"tonsteins":[79,175,213,236],"K-bentonites,":[81],"which":[82],"are":[83,216],"dominated":[84],"by":[85,103],"I/S,":[88],"respectively.":[89],"The":[90,187,222],"I/S":[91,126],"K-bentonites":[93,177,215,238],"formed":[94,131,265],"during":[95,266],"burial":[96],"diagenesis":[97],"a":[99,133],"non-marine":[100],"environment,":[101],"indicated":[102],"their":[104],"low":[105,110,197],"contents":[106,198],"sulfur":[108],"ratios":[111,232],"Sr/Ba.":[113],"general":[117],"geothermal":[118],"gradient":[119],"vitrinite":[121],"reflectance":[122],"coals,":[124],"was":[127],"deduced":[128],"under":[132],"temperature":[134],"less":[135],"than":[136],"100":[137],"\u00b0C.":[138],"Collectively,":[139],"occurrence":[141],"vermicular":[143],"kaolinite,":[144],"as":[145,147],"high-temperature":[148],"quartz":[149,169],"euhedral":[151],"primary":[152],"zircon":[153],"identified":[154],"tonstein":[156],"samples":[157],"indicate":[158,233],"an":[159],"intermediate-felsic":[160],"pyroclastic":[161],"origin":[162],"for":[163],"ashes,":[166],"while":[167],"rounded":[168],"mica":[171],"grains":[172],"both":[173],"reflect":[178],"products":[180],"erosion":[182],"sediment":[184],"source":[185],"regions.":[186],"negative":[188],"Eu":[189],"anomalies,":[190],"rare":[191],"earth":[192],"elements":[193],"(REY)":[194],"distribution":[195],"patterns,":[196],"Sc,":[200],"V,":[201],"Cr,":[202],"Co,":[203],"Ni":[204],"Zn,":[206],"Al2O3/TiO2":[208,225,229],"values,":[209],"suggest":[210],"that":[211,234],"related":[217],"felsic":[219,245,283],"eruptions.":[221],"relationship":[223],"between":[224],"vs.":[226,230],"Nb/Yb":[227],"Zr/TiO2":[231],"were":[239],"derived":[240],"at":[242],"least":[243],"two":[244],"sources:":[246],"(1)":[247],"some":[248],"distal":[249],"arc(s)":[251],"(2)":[253],"top":[255],"Kangdian":[258,279],"Upland":[259,280],"exposing":[260,281],"alkaline-felsic":[262],"rocks":[264],"waning":[268],"activity":[269],"Emeishan":[272],"plume":[273],"basement":[276],"older":[282],"rocks.":[284]},"counts_by_year":[{"year":2026,"cited_by_count":10},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":19},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":13},{"year":2021,"cited_by_count":8}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2021-03-01T00:00:00"}
