{"id":"https://openalex.org/W1984149347","doi":"https://doi.org/10.1016/0146-6380(93)90123-s","title":"Depositional environment, thermal maturity and irradiation effects on porphyrin distribution: Alum Shale, Sweden","display_name":"Depositional environment, thermal maturity and irradiation effects on porphyrin distribution: Alum Shale, Sweden","publication_year":1993,"publication_date":"1993-04-01","ids":{"openalex":"https://openalex.org/W1984149347","doi":"https://doi.org/10.1016/0146-6380(93)90123-s","mag":"1984149347"},"language":"en","primary_location":{"id":"doi:10.1016/0146-6380(93)90123-s","doi":"https://doi.org/10.1016/0146-6380(93)90123-s","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0146-6380(93)90123-s","pdf_url":null,"source":{"id":"https://openalex.org/S196384270","display_name":"Organic Geochemistry","issn_l":"0146-6380","issn":["0146-6380","1873-5290"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-2","norway-1","poland-100","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":"Organic Geochemistry","raw_type":"journal-article"},"volume":null,"type":"article","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/A5110267631","display_name":"Padmanabhan Sundararaman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210118014","display_name":"Chevron (United States)","ror":"https://ror.org/02jfa8730","country_code":"US","type":"company","lineage":["https://openalex.org/I4210118014"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Padmanabhan Sundararaman","raw_affiliation_strings":["Chevron Oil Field Research Co., P.O. Box 446, La Habra, CA 90633-0446, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chevron Oil Field Research Co., P.O. Box 446, La Habra, CA 90633-0446, USA","institution_ids":["https://openalex.org/I4210118014"]}]},{"author_position":"last","author":{"id":null,"display_name":"Jeremy E. Dahl","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210118014","display_name":"Chevron (United States)","ror":"https://ror.org/02jfa8730","country_code":"US","type":"company","lineage":["https://openalex.org/I4210118014"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeremy E. Dahl","raw_affiliation_strings":["Chevron Oil Field Research Co., P.O. Box 1627, Richmond, CA 94802-0627, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chevron Oil Field Research Co., P.O. Box 1627, Richmond, CA 94802-0627, U.S.A","institution_ids":["https://openalex.org/I4210118014"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210118014"],"apc_list":{"value":3270,"currency":"USD","value_usd":3270},"apc_paid":null,"fwci":1.4012,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.76992572,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"20","issue":"3","first_page":"333","last_page":"337"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","score":0.45089998841285706,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","score":0.45089998841285706,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.40310001373291016,"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/T11740","display_name":"Geochemistry and Elemental Analysis","score":0.07779999822378159,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/vanadyl-porphyrins","display_name":"vanadyl porphyrins","score":0.9490000009536743},{"id":"https://openalex.org/keywords/alum-shale","display_name":"alum shale","score":0.7639999985694885},{"id":"https://openalex.org/keywords/uranium-irradiation","display_name":"uranium irradiation","score":0.453000009059906},{"id":"https://openalex.org/keywords/thermal-maturity","display_name":"thermal maturity","score":0.7609999775886536},{"id":"https://openalex.org/keywords/depositional-environment","display_name":"depositional environment","score":0.8700000047683716},{"id":"https://openalex.org/keywords/ocean-anoxia","display_name":"ocean anoxia","score":0.828000009059906},{"id":"https://openalex.org/keywords/organic-matter-preservation","display_name":"organic matter preservation","score":0.453000009059906}],"concepts":[{"id":"https://openalex.org/C2779480358","wikidata":"https://www.wikidata.org/wiki/Q422926","display_name":"Porphyrin","level":2,"score":0.8384171724319458},{"id":"https://openalex.org/C153127940","wikidata":"https://www.wikidata.org/wiki/Q221378","display_name":"Oil shale","level":2,"score":0.8239145874977112},{"id":"https://openalex.org/C101433766","wikidata":"https://www.wikidata.org/wiki/Q3543263","display_name":"Maturity (psychological)","level":2,"score":0.7488158941268921},{"id":"https://openalex.org/C2780924562","wikidata":"https://www.wikidata.org/wiki/Q190527","display_name":"Alum","level":2,"score":0.7418532371520996},{"id":"https://openalex.org/C555451288","wikidata":"https://www.wikidata.org/wiki/Q1098","display_name":"Uranium","level":2,"score":0.6830917000770569},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5609369277954102},{"id":"https://openalex.org/C126753816","wikidata":"https://www.wikidata.org/wiki/Q1994702","display_name":"Sedimentary depositional environment","level":3,"score":0.5305464863777161},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.48944082856178284},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.45249080657958984},{"id":"https://openalex.org/C48743137","wikidata":"https://www.wikidata.org/wiki/Q1783121","display_name":"Organic matter","level":2,"score":0.4347652494907379},{"id":"https://openalex.org/C111337013","wikidata":"https://www.wikidata.org/wiki/Q2737837","display_name":"Irradiation","level":2,"score":0.41374731063842773},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.391778826713562},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.37978917360305786},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.22780051827430725},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.1680939793586731},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.16120854020118713},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0146-6380(93)90123-s","doi":"https://doi.org/10.1016/0146-6380(93)90123-s","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0146-6380(93)90123-s","pdf_url":null,"source":{"id":"https://openalex.org/S196384270","display_name":"Organic Geochemistry","issn_l":"0146-6380","issn":["0146-6380","1873-5290"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-2","norway-1","poland-100","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":"Organic Geochemistry","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W60000671","https://openalex.org/W63306089","https://openalex.org/W160676872","https://openalex.org/W1528697877","https://openalex.org/W1572870223","https://openalex.org/W1994219472","https://openalex.org/W1994318446","https://openalex.org/W1998620706","https://openalex.org/W2005887772","https://openalex.org/W2006441445","https://openalex.org/W2010744973","https://openalex.org/W2011134275","https://openalex.org/W2015726824","https://openalex.org/W2025602784","https://openalex.org/W2032641173","https://openalex.org/W2049504723","https://openalex.org/W2053113094","https://openalex.org/W2075708186","https://openalex.org/W2077012161","https://openalex.org/W2079299142","https://openalex.org/W2081314412","https://openalex.org/W2081489847","https://openalex.org/W2090841765","https://openalex.org/W2480240920","https://openalex.org/W2496221453","https://openalex.org/W2504023400","https://openalex.org/W2921067423","https://openalex.org/W3080398110","https://openalex.org/W4241833720","https://openalex.org/W4285719527","https://openalex.org/W6724602897","https://openalex.org/W6786918471"],"related_works":["https://openalex.org/W2006441445","https://openalex.org/W2792468527","https://openalex.org/W2011134275","https://openalex.org/W2025602784","https://openalex.org/W3185013407","https://openalex.org/W3133943158","https://openalex.org/W3161299039","https://openalex.org/W2899389125","https://openalex.org/W4412218990","https://openalex.org/W1963594093"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}