{"id":"https://openalex.org/W3045488554","doi":"https://doi.org/10.1130/g47651.1","title":"The Paleoproterozoic Francevillian succession of Gabon and the Lomagundi-Jatuli event","display_name":"The Paleoproterozoic Francevillian succession of Gabon and the Lomagundi-Jatuli event","publication_year":2020,"publication_date":"2020-07-21","ids":{"openalex":"https://openalex.org/W3045488554","doi":"https://doi.org/10.1130/g47651.1","mag":"3045488554"},"language":"en","primary_location":{"id":"doi:10.1130/g47651.1","doi":"https://doi.org/10.1130/g47651.1","is_oa":false,"landing_page_url":"https://doi.org/10.1130/g47651.1","pdf_url":null,"source":{"id":"https://openalex.org/S56162041","display_name":"Geology","issn_l":"0091-7613","issn":["0091-7613","1943-2682"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319845","host_organization_name":"Geological Society of America","host_organization_lineage":["https://openalex.org/P4310319845"],"host_organization_lineage_names":["Geological Society of America"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"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/A5014496958","display_name":"Karen Bakakas Mayika","orcid":"https://orcid.org/0000-0002-6061-005X","observed_orcids":["https://orcid.org/0000-0002-6061-005X"]},"institutions":[{"id":"https://openalex.org/I4210131477","display_name":"Universit\u00e9 des Sciences et Techniques de Masuku","ror":"https://ror.org/03f0njg03","country_code":"GA","type":"education","lineage":["https://openalex.org/I4210131477"]}],"countries":["GA"],"is_corresponding":false,"raw_author_name":"Karen Bakakas Mayika","raw_affiliation_strings":["Department of Geology, Universit\u00e9 des Sciences et Techniques de Masuku, 943 Franceville, Gabon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Universit\u00e9 des Sciences et Techniques de Masuku, 943 Franceville, Gabon","institution_ids":["https://openalex.org/I4210131477"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051589973","display_name":"Mathieu Moussavou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210131477","display_name":"Universit\u00e9 des Sciences et Techniques de Masuku","ror":"https://ror.org/03f0njg03","country_code":"GA","type":"education","lineage":["https://openalex.org/I4210131477"]}],"countries":["GA"],"is_corresponding":false,"raw_author_name":"Mathieu Moussavou","raw_affiliation_strings":["Department of Geology, Universit\u00e9 des Sciences et Techniques de Masuku, 943 Franceville, Gabon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Universit\u00e9 des Sciences et Techniques de Masuku, 943 Franceville, Gabon","institution_ids":["https://openalex.org/I4210131477"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078122402","display_name":"Anthony R. Prave","orcid":"https://orcid.org/0000-0002-4614-3774","observed_orcids":["https://orcid.org/0000-0002-4614-3774"]},"institutions":[{"id":"https://openalex.org/I16835326","display_name":"University of St Andrews","ror":"https://ror.org/02wn5qz54","country_code":"GB","type":"education","lineage":["https://openalex.org/I16835326"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Anthony R. Prave","raw_affiliation_strings":["School of Earth and Environmental Sciences, University of St Andrews, KY16 9AL St Andrews, Scotland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Earth and Environmental Sciences, University of St Andrews, KY16 9AL St Andrews, Scotland","institution_ids":["https://openalex.org/I16835326"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060801051","display_name":"Aivo Lepland","orcid":"https://orcid.org/0000-0002-0248-1405","observed_orcids":["https://orcid.org/0000-0002-0248-1405"]},"institutions":[{"id":"https://openalex.org/I1296551785","display_name":"Geological Survey of Norway","ror":"https://ror.org/036dwbr90","country_code":"NO","type":"government","lineage":["https://openalex.org/I1296551785"]},{"id":"https://openalex.org/I56085075","display_name":"University of Tartu","ror":"https://ror.org/03z77qz90","country_code":"EE","type":"education","lineage":["https://openalex.org/I56085075"]}],"countries":["EE","NO"],"is_corresponding":false,"raw_author_name":"Aivo Lepland","raw_affiliation_strings":["Department of Geology, Tartu University, 50411 Tartu, Estonia","Geological Survey of Norway, 7491 Trondheim, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Tartu University, 50411 Tartu, Estonia","institution_ids":["https://openalex.org/I56085075"]},{"raw_affiliation_string":"Geological Survey of Norway, 7491 Trondheim, Norway","institution_ids":["https://openalex.org/I1296551785"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037823294","display_name":"Michel Mbina","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210131477","display_name":"Universit\u00e9 des Sciences et Techniques de Masuku","ror":"https://ror.org/03f0njg03","country_code":"GA","type":"education","lineage":["https://openalex.org/I4210131477"]}],"countries":["GA"],"is_corresponding":false,"raw_author_name":"Michel Mbina","raw_affiliation_strings":["Department of Geology, Universit\u00e9 des Sciences et Techniques de Masuku, 943 Franceville, Gabon"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Universit\u00e9 des Sciences et Techniques de Masuku, 943 Franceville, Gabon","institution_ids":["https://openalex.org/I4210131477"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065773278","display_name":"Kalle Kirsim\u00e4e","orcid":"https://orcid.org/0000-0002-1221-3623","observed_orcids":["https://orcid.org/0000-0002-1221-3623"]},"institutions":[{"id":"https://openalex.org/I56085075","display_name":"University of Tartu","ror":"https://ror.org/03z77qz90","country_code":"EE","type":"education","lineage":["https://openalex.org/I56085075"]}],"countries":["EE"],"is_corresponding":false,"raw_author_name":"Kalle Kirsim\u00e4e","raw_affiliation_strings":["Department of Geology, Tartu University, 50411 Tartu, Estonia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Tartu University, 50411 Tartu, Estonia","institution_ids":["https://openalex.org/I56085075"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.5021,"has_fulltext":false,"cited_by_count":46,"citation_normalized_percentile":{"value":0.89770749,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"48","issue":"11","first_page":"1099","last_page":"1104"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.9984999895095825,"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/T10001","display_name":"Geological and Geochemical Analysis","score":0.00039999998989515007,"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":0.0003000000142492354,"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/paleoproterozoic","display_name":"Paleoproterozoic","score":0.8550000190734863},{"id":"https://openalex.org/keywords/carbon-isotope-excursion","display_name":"carbon isotope excursion","score":0.8389999866485596},{"id":"https://openalex.org/keywords/carbonate-delta13c","display_name":"carbonate \u03b413C","score":0.9369999766349792},{"id":"https://openalex.org/keywords/dissolved-inorganic-carbon","display_name":"dissolved inorganic carbon","score":0.9190000295639038},{"id":"https://openalex.org/keywords/redoxcline","display_name":"redoxcline","score":0.859000027179718},{"id":"https://openalex.org/keywords/methane-cycling","display_name":"methane cycling","score":0.9470000267028809},{"id":"https://openalex.org/keywords/gabon","display_name":"Gabon","score":0.6370000243186951}],"concepts":[{"id":"https://openalex.org/C146588470","wikidata":"https://www.wikidata.org/wiki/Q742139","display_name":"Facies","level":3,"score":0.8451330661773682},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.7859054803848267},{"id":"https://openalex.org/C185059815","wikidata":"https://www.wikidata.org/wiki/Q471790","display_name":"Isotopes of carbon","level":3,"score":0.5543479323387146},{"id":"https://openalex.org/C2780659211","wikidata":"https://www.wikidata.org/wiki/Q181699","display_name":"Carbonate","level":2,"score":0.5333670973777771},{"id":"https://openalex.org/C126753816","wikidata":"https://www.wikidata.org/wiki/Q1994702","display_name":"Sedimentary depositional environment","level":3,"score":0.4566662609577179},{"id":"https://openalex.org/C150117547","wikidata":"https://www.wikidata.org/wiki/Q188230","display_name":"Ecological succession","level":2,"score":0.4404032230377197},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.4396437406539917},{"id":"https://openalex.org/C6939412","wikidata":"https://www.wikidata.org/wiki/Q167751","display_name":"Carbon cycle","level":3,"score":0.43086305260658264},{"id":"https://openalex.org/C158787203","wikidata":"https://www.wikidata.org/wiki/Q900291","display_name":"Total organic carbon","level":2,"score":0.4306453466415405},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.4199271500110626},{"id":"https://openalex.org/C156398188","wikidata":"https://www.wikidata.org/wiki/Q3278929","display_name":"\u03b413C","level":3,"score":0.41386228799819946},{"id":"https://openalex.org/C22117777","wikidata":"https://www.wikidata.org/wiki/Q17148629","display_name":"Stable isotope ratio","level":2,"score":0.34378719329833984},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.2947142720222473},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.19626250863075256},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.08827251195907593},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1130/g47651.1","doi":"https://doi.org/10.1130/g47651.1","is_oa":false,"landing_page_url":"https://doi.org/10.1130/g47651.1","pdf_url":null,"source":{"id":"https://openalex.org/S56162041","display_name":"Geology","issn_l":"0091-7613","issn":["0091-7613","1943-2682"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319845","host_organization_name":"Geological Society of America","host_organization_lineage":["https://openalex.org/P4310319845"],"host_organization_lineage_names":["Geological Society of America"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geology","raw_type":"journal-article"},{"id":"pmh:oai:research-repository.st-andrews.ac.uk:10023/23610","doi":null,"is_oa":false,"landing_page_url":"https://hdl.handle.net/10023/23610","pdf_url":null,"source":{"id":"https://openalex.org/S4306400230","display_name":"St Andrews Research Repository (St Andrews Research Repository)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I16835326","host_organization_name":"University of St Andrews","host_organization_lineage":["https://openalex.org/I16835326"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Journal article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.46149998903274536}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W326777781","https://openalex.org/W1612517152","https://openalex.org/W1975873767","https://openalex.org/W1980029682","https://openalex.org/W1982430451","https://openalex.org/W2000257455","https://openalex.org/W2014523333","https://openalex.org/W2032093895","https://openalex.org/W2032678814","https://openalex.org/W2033690492","https://openalex.org/W2042757256","https://openalex.org/W2051137378","https://openalex.org/W2063065929","https://openalex.org/W2065756726","https://openalex.org/W2081383679","https://openalex.org/W2100338030","https://openalex.org/W2107400983","https://openalex.org/W2116885418","https://openalex.org/W2134839040","https://openalex.org/W2158109284","https://openalex.org/W2164336439","https://openalex.org/W2165838417","https://openalex.org/W2338715395","https://openalex.org/W2531189630","https://openalex.org/W2791888242","https://openalex.org/W2807803402","https://openalex.org/W2987573093"],"related_works":["https://openalex.org/W4417290572","https://openalex.org/W3176300032","https://openalex.org/W7131408692","https://openalex.org/W3198477056","https://openalex.org/W3213027602","https://openalex.org/W3109442430","https://openalex.org/W2032678814","https://openalex.org/W4401927151","https://openalex.org/W2791888242","https://openalex.org/W4298127626"],"abstract_inverted_index":{"Abstract":[0],"The":[1,105],"Paleoproterozoic":[2],"Francevillian":[3,41,202],"succession":[4],"of":[5,18,36,40,49,66,109,113,123,151,174,191,215,220,223],"Gabon":[6],"has":[7],"figured":[8],"prominently":[9],"in":[10,23,78,145,163],"concepts":[11],"about":[12],"Earth\u2019s":[13],"early":[14],"oxygenation":[15],"and":[16,69,126,140,177,193,208],"genesis":[17],"a":[19,33,37,57,64,83,167,211],"large":[20],"positive":[21,93],"excursion":[22],"carbon-isotope":[24],"values,":[25,94,139],"the":[26,67,76,91,120,130,141,149,152,201,221,224],"Lomagundi-Jatuli":[27],"event":[28],"(LJE).":[29],"Here":[30],"we":[31,73],"present":[32],"detailed":[34],"study":[35],"139-m-long":[38],"core":[39],"rocks":[42],"marked":[43,89],"by":[44,60,90,160,186],"carbonate":[45],"\u03b413C":[46,156,188],"(\u03b413Ccarb)":[47],"values":[48,80,143,190,195],"5\u2030\u20139\u2030":[50],"that":[51,75,116],"decline":[52],"upsection":[53],"to":[54,137],"near":[55],"0\u2030,":[56],"trend":[58],"inferred":[59],"many":[61],"workers":[62],"as":[63,196,198],"fingerprint":[65],"LJE":[68],"its":[70],"termination.":[71],"However,":[72],"show":[74],"shift":[77],"\u03b413Ccarb":[79,114],"coincides":[81],"with":[82],"facies":[84,87,97,111,147],"change:":[85],"shallow-marine":[86,117],"are":[88,102],"strongly":[92],"whereas":[95],"deeper-marine":[96],"(below":[98],"storm":[99],"wave":[100],"base)":[101],"at":[103],"\u223c0\u2030.":[104],"most":[106],"circumspect":[107],"interpretation":[108],"such":[110],"dependence":[112],"is":[115,209],"settings":[118],"record":[119],"isotope":[121],"effects":[122],"local":[124],"physical":[125],"biochemical":[127],"processes":[128],"driving":[129],"ambient":[131],"dissolved":[132],"inorganic":[133],"carbon":[134],"(DIC)":[135],"pool":[136],"heavier":[138],"lighter":[142],"(\u223c0\u2030)":[144],"deeper-water":[146],"track":[148],"DIC":[150],"open-marine":[153],"realm":[154],"where":[155],"was":[157],"largely":[158],"unaffected":[159],"fractionations":[161],"occurring":[162],"shallow-water":[164],"settings.":[165],"Further,":[166],"transgressing":[168],"redoxcline":[169],"created":[170],"conditions":[171,207],"for":[172],"precipitation":[173],"Mn-bearing":[175],"minerals":[176],"chemotrophic":[178],"microbial":[179],"biota,":[180],"including":[181],"methane":[182],"cycling":[183],"communities":[184],"evident":[185],"organic":[187],"(\u03b413Corg)":[189],"\u221247\u2030":[192],"\u0394\u03b4carb-org":[194],"high":[197],"46\u2030.":[199],"Thus,":[200],"C-isotope":[203],"profile":[204],"reflects":[205],"basin-specific":[206],"not":[210],"priori":[212],"an":[213],"indicator":[214],"global":[216],"C-cycle":[217],"disturbances":[218],"nor":[219],"termination":[222],"LJE.":[225]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2020-07-29T00:00:00"}