{"id":"https://openalex.org/W2064897232","doi":"https://doi.org/10.1016/s0166-5162(03)00082-x","title":"A stable carbon isotope and biological marker study of Polish bituminous coals and carbonaceous shales","display_name":"A stable carbon isotope and biological marker study of Polish bituminous coals and carbonaceous shales","publication_year":2003,"publication_date":"2003-08-01","ids":{"openalex":"https://openalex.org/W2064897232","doi":"https://doi.org/10.1016/s0166-5162(03)00082-x","mag":"2064897232"},"language":"en","primary_location":{"id":"doi:10.1016/s0166-5162(03)00082-x","doi":"https://doi.org/10.1016/s0166-5162(03)00082-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0166-5162(03)00082-x","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":null,"license_id":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014846619","display_name":"Maciej J. Kotarba","orcid":"https://orcid.org/0000-0001-6895-5872","observed_orcids":["https://orcid.org/0000-0001-6895-5872"]},"institutions":[{"id":"https://openalex.org/I686019","display_name":"AGH University of Krakow","ror":"https://ror.org/00bas1c41","country_code":"PL","type":"education","lineage":["https://openalex.org/I686019"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Maciej J. Kotarba","raw_affiliation_strings":["Faculty of Geology, Geophysics and Environmental Protection, University of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Cracow, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Geology, Geophysics and Environmental Protection, University of Mining and Metallurgy, Al. Mickiewicza 30, 30-059 Cracow, Poland","institution_ids":["https://openalex.org/I686019"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111769502","display_name":"Jerry L. Clayton","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1286329397","display_name":"United States Geological Survey","ror":"https://ror.org/035a68863","country_code":"US","type":"government","lineage":["https://openalex.org/I1286329397","https://openalex.org/I1335927249"]},{"id":"https://openalex.org/I2800772125","display_name":"Denver Federal Center","ror":"https://ror.org/05pxjag90","country_code":"US","type":"government","lineage":["https://openalex.org/I1280600231","https://openalex.org/I2800772125"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jerry L. Clayton","raw_affiliation_strings":["U.S. Geological Survey, P.O. Box 25046, MS 977, Denver Federal Center, Denver, CO 80225, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"U.S. Geological Survey, P.O. Box 25046, MS 977, Denver Federal Center, Denver, CO 80225, USA","institution_ids":["https://openalex.org/I1286329397","https://openalex.org/I2800772125"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5014846619"],"corresponding_institution_ids":["https://openalex.org/I686019"],"apc_list":{"value":4090,"currency":"USD","value_usd":4090},"apc_paid":null,"fwci":0.6537,"has_fulltext":false,"cited_by_count":78,"citation_normalized_percentile":{"value":0.69549982,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"55","issue":"2-4","first_page":"73","last_page":"94"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12218","display_name":"Coal and Its By-products","score":0.9121000170707703,"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":0.9121000170707703,"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":0.0706000030040741,"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"}},{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","score":0.014800000004470348,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"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/bituminous-coal","display_name":"bituminous coal","score":0.7630000114440918},{"id":"https://openalex.org/keywords/carbonaceous-shale","display_name":"carbonaceous shale","score":0.9760000109672546},{"id":"https://openalex.org/keywords/stable-carbon-isotopes","display_name":"stable carbon isotopes","score":0.7940000295639038},{"id":"https://openalex.org/keywords/biomarkers","display_name":"biomarkers","score":0.8199999928474426},{"id":"https://openalex.org/keywords/steranes","display_name":"steranes","score":0.8080000281333923},{"id":"https://openalex.org/keywords/n-alkanes","display_name":"n-alkanes","score":0.8659999966621399},{"id":"https://openalex.org/keywords/terpenoids","display_name":"terpenoids","score":0.9430000185966492},{"id":"https://openalex.org/keywords/pristane-phytane-ratio","display_name":"pristane/phytane ratio","score":0.9739999771118164},{"id":"https://openalex.org/keywords/gammacerane","display_name":"gammacerane","score":0.996999979019165},{"id":"https://openalex.org/keywords/organic-matter-sources","display_name":"organic matter sources","score":0.5329999923706055},{"id":"https://openalex.org/keywords/depositional-conditions","display_name":"depositional conditions","score":0.8669999837875366},{"id":"https://openalex.org/keywords/late-carboniferous","display_name":"Late Carboniferous","score":0.8320000171661377},{"id":"https://openalex.org/keywords/upper-silesian-coal-basin","display_name":"Upper Silesian Coal Basin","score":0.8679999709129333},{"id":"https://openalex.org/keywords/lublin-coal-basin","display_name":"Lublin Coal Basin","score":0.9879999756813049},{"id":"https://openalex.org/keywords/terrigenous-organic-matter","display_name":"terrestrial organic matter","score":0.734000027179718},{"id":"https://openalex.org/keywords/type-iii-kerogen","display_name":"Type III kerogen","score":0.796999990940094},{"id":"https://openalex.org/keywords/organic-matter-oxidation","display_name":"organic matter oxidation","score":0.34200000762939453}],"concepts":[{"id":"https://openalex.org/C2776141960","wikidata":"https://www.wikidata.org/wiki/Q418830","display_name":"Sterane","level":5,"score":0.9255669713020325},{"id":"https://openalex.org/C2780888746","wikidata":"https://www.wikidata.org/wiki/Q171701","display_name":"Phytane","level":4,"score":0.867720365524292},{"id":"https://openalex.org/C126753816","wikidata":"https://www.wikidata.org/wiki/Q1994702","display_name":"Sedimentary depositional environment","level":3,"score":0.6922605633735657},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.69132399559021},{"id":"https://openalex.org/C2780804346","wikidata":"https://www.wikidata.org/wiki/Q425446","display_name":"Pristane","level":3,"score":0.6234055161476135},{"id":"https://openalex.org/C167195282","wikidata":"https://www.wikidata.org/wiki/Q108573225","display_name":"Hopanoids","level":4,"score":0.6107226014137268},{"id":"https://openalex.org/C185059815","wikidata":"https://www.wikidata.org/wiki/Q471790","display_name":"Isotopes of carbon","level":3,"score":0.5951454043388367},{"id":"https://openalex.org/C48743137","wikidata":"https://www.wikidata.org/wiki/Q1783121","display_name":"Organic matter","level":2,"score":0.5896409153938293},{"id":"https://openalex.org/C2780659211","wikidata":"https://www.wikidata.org/wiki/Q181699","display_name":"Carbonate","level":2,"score":0.5838080644607544},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.5130921602249146},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.5081934928894043},{"id":"https://openalex.org/C2779196632","wikidata":"https://www.wikidata.org/wiki/Q938398","display_name":"Kerogen","level":4,"score":0.4345189332962036},{"id":"https://openalex.org/C6494504","wikidata":"https://www.wikidata.org/wiki/Q82480","display_name":"Sedimentary rock","level":2,"score":0.4233686327934265},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.38058045506477356},{"id":"https://openalex.org/C158787203","wikidata":"https://www.wikidata.org/wiki/Q900291","display_name":"Total organic carbon","level":2,"score":0.3678327202796936},{"id":"https://openalex.org/C126559015","wikidata":"https://www.wikidata.org/wiki/Q1988844","display_name":"Source rock","level":3,"score":0.3298003077507019},{"id":"https://openalex.org/C2777207669","wikidata":"https://www.wikidata.org/wiki/Q43648","display_name":"Hydrocarbon","level":2,"score":0.2800859212875366},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2719903588294983},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.12466952204704285},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.12170752882957458},{"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/s0166-5162(03)00082-x","doi":"https://doi.org/10.1016/s0166-5162(03)00082-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0166-5162(03)00082-x","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Coal Geology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":57,"referenced_works":["https://openalex.org/W94228805","https://openalex.org/W277821489","https://openalex.org/W574163285","https://openalex.org/W581571809","https://openalex.org/W606658232","https://openalex.org/W1578727128","https://openalex.org/W1606949540","https://openalex.org/W1748718445","https://openalex.org/W1969225013","https://openalex.org/W1973662203","https://openalex.org/W1980015304","https://openalex.org/W1980736287","https://openalex.org/W1986116738","https://openalex.org/W1994155156","https://openalex.org/W1995530895","https://openalex.org/W1996173391","https://openalex.org/W2010503332","https://openalex.org/W2015016926","https://openalex.org/W2016494716","https://openalex.org/W2022048614","https://openalex.org/W2025977109","https://openalex.org/W2028017027","https://openalex.org/W2032859503","https://openalex.org/W2042296494","https://openalex.org/W2045386399","https://openalex.org/W2047368680","https://openalex.org/W2052853502","https://openalex.org/W2055720618","https://openalex.org/W2058213822","https://openalex.org/W2059827978","https://openalex.org/W2061575607","https://openalex.org/W2065155644","https://openalex.org/W2066980677","https://openalex.org/W2067004438","https://openalex.org/W2069245686","https://openalex.org/W2076050106","https://openalex.org/W2076657704","https://openalex.org/W2081736938","https://openalex.org/W2082084057","https://openalex.org/W2087917706","https://openalex.org/W2093403914","https://openalex.org/W2142613452","https://openalex.org/W2144317414","https://openalex.org/W2144393012","https://openalex.org/W2152418807","https://openalex.org/W2154054432","https://openalex.org/W2321419236","https://openalex.org/W2479960848","https://openalex.org/W2612464251","https://openalex.org/W2630195417","https://openalex.org/W2727055235","https://openalex.org/W2921067423","https://openalex.org/W3108266641","https://openalex.org/W3113370847","https://openalex.org/W4206502527","https://openalex.org/W6637782245","https://openalex.org/W6682370586"],"related_works":["https://openalex.org/W4230606342","https://openalex.org/W4254950890","https://openalex.org/W1973333211","https://openalex.org/W2088161635","https://openalex.org/W2171629732","https://openalex.org/W2009937391","https://openalex.org/W4229953856","https://openalex.org/W7124440381","https://openalex.org/W3183748998","https://openalex.org/W4406600870"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
