{"id":"https://openalex.org/W2015337239","doi":"https://doi.org/10.1144/gsl.sp.1986.021.01.30","title":"The inorganic geochemistry of Cretaceous black shales (DSDP Leg 41) in comparison to modern upwelling sediments from the Gulf of California","display_name":"The inorganic geochemistry of Cretaceous black shales (DSDP Leg 41) in comparison to modern upwelling sediments from the Gulf of California","publication_year":1986,"publication_date":"1986-01-01","ids":{"openalex":"https://openalex.org/W2015337239","doi":"https://doi.org/10.1144/gsl.sp.1986.021.01.30","mag":"2015337239"},"language":"en","primary_location":{"id":"doi:10.1144/gsl.sp.1986.021.01.30","doi":"https://doi.org/10.1144/gsl.sp.1986.021.01.30","is_oa":false,"landing_page_url":"https://doi.org/10.1144/gsl.sp.1986.021.01.30","pdf_url":null,"source":{"id":"https://openalex.org/S29311329","display_name":"Geological Society London Special Publications","issn_l":"0305-8719","issn":["0305-8719","2041-4927"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-70","vabb-shw"],"host_organization":"https://openalex.org/P4310311650","host_organization_name":"Geological Society of London","host_organization_lineage":["https://openalex.org/P4310311650"],"host_organization_lineage_names":["Geological Society of London"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geological Society, London, Special Publications","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W2015337239"],"child_works_count":0,"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/A5044621318","display_name":"Hans\u2010J\u00fcrgen Brumsack","orcid":"https://orcid.org/0000-0002-5549-5018","observed_orcids":["https://orcid.org/0000-0002-5549-5018"]},"institutions":[{"id":"https://openalex.org/I74656192","display_name":"University of G\u00f6ttingen","ror":"https://ror.org/01y9bpm73","country_code":"DE","type":"education","lineage":["https://openalex.org/I74656192"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Hans J. Brumsack","raw_affiliation_strings":["Geochemisches Institut\rGoldschmidtstrasse 1, D-3400 G\u00f6ttingen, Federal Republic of Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Geochemisches Institut\rGoldschmidtstrasse 1, D-3400 G\u00f6ttingen, Federal Republic of Germany","institution_ids":["https://openalex.org/I74656192"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5044621318"],"corresponding_institution_ids":["https://openalex.org/I74656192"],"apc_list":null,"apc_paid":null,"fwci":2.4009,"has_fulltext":false,"cited_by_count":240,"citation_normalized_percentile":{"value":0.8773862,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"21","issue":"1","first_page":"447","last_page":"462"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.9140999913215637,"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":0.9140999913215637,"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":0.08309999853372574,"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/T10032","display_name":"Marine Plankton and Biogeochemistry","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/trace-elements","display_name":"trace elements","score":0.5879999995231628},{"id":"https://openalex.org/keywords/cretaceous-black-shales","display_name":"Cretaceous black shales","score":0.9160000085830688},{"id":"https://openalex.org/keywords/gulf-of-california","display_name":"Gulf of California","score":0.9319999814033508},{"id":"https://openalex.org/keywords/diatomaceous-ooze","display_name":"diatomaceous ooze","score":0.8579999804496765},{"id":"https://openalex.org/keywords/guaymas-basin","display_name":"Guaymas Basin","score":0.8989999890327454},{"id":"https://openalex.org/keywords/pore-water-chemistry","display_name":"pore water chemistry","score":0.6079999804496765},{"id":"https://openalex.org/keywords/early-diagenesis","display_name":"early diagenesis","score":0.8090000152587891},{"id":"https://openalex.org/keywords/molybdenum","display_name":"molybdenum","score":0.7310000061988831},{"id":"https://openalex.org/keywords/vanadium","display_name":"vanadium","score":0.9980000257492065},{"id":"https://openalex.org/keywords/bioconcentration","display_name":"bioconcentration","score":0.6169999837875366},{"id":"https://openalex.org/keywords/primary-productivity","display_name":"primary productivity","score":0.4440000057220459}],"concepts":[{"id":"https://openalex.org/C149348798","wikidata":"https://www.wikidata.org/wiki/Q215915","display_name":"Upwelling","level":2,"score":0.8779966831207275},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.8128222227096558},{"id":"https://openalex.org/C12294951","wikidata":"https://www.wikidata.org/wiki/Q44626","display_name":"Cretaceous","level":2,"score":0.6985282897949219},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.5967519283294678},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.5443271398544312},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.369803249835968}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1144/gsl.sp.1986.021.01.30","doi":"https://doi.org/10.1144/gsl.sp.1986.021.01.30","is_oa":false,"landing_page_url":"https://doi.org/10.1144/gsl.sp.1986.021.01.30","pdf_url":null,"source":{"id":"https://openalex.org/S29311329","display_name":"Geological Society London Special Publications","issn_l":"0305-8719","issn":["0305-8719","2041-4927"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-70","vabb-shw"],"host_organization":"https://openalex.org/P4310311650","host_organization_name":"Geological Society of London","host_organization_lineage":["https://openalex.org/P4310311650"],"host_organization_lineage_names":["Geological Society of London"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geological Society, London, Special Publications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":1.0,"display_name":"Life below water"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W55109766","https://openalex.org/W162686355","https://openalex.org/W227514639","https://openalex.org/W251687509","https://openalex.org/W1965424879","https://openalex.org/W1967837691","https://openalex.org/W1980734762","https://openalex.org/W1985060923","https://openalex.org/W1994810887","https://openalex.org/W2001483833","https://openalex.org/W2010468221","https://openalex.org/W2025004177","https://openalex.org/W2028248250","https://openalex.org/W2032698695","https://openalex.org/W2033653245","https://openalex.org/W2036197570","https://openalex.org/W2041247686","https://openalex.org/W2044774396","https://openalex.org/W2046193486","https://openalex.org/W2052218728","https://openalex.org/W2053556761","https://openalex.org/W2054565136","https://openalex.org/W2056049711","https://openalex.org/W2059709038","https://openalex.org/W2065939318","https://openalex.org/W2067644614","https://openalex.org/W2069291934","https://openalex.org/W2074183980","https://openalex.org/W2076207659","https://openalex.org/W2078056766","https://openalex.org/W2082192259","https://openalex.org/W2084376607","https://openalex.org/W2084475519","https://openalex.org/W2085952089","https://openalex.org/W2087438337","https://openalex.org/W2089115884","https://openalex.org/W2089961802","https://openalex.org/W2119171617","https://openalex.org/W2125295698","https://openalex.org/W2158472619","https://openalex.org/W2701582957","https://openalex.org/W4231759630","https://openalex.org/W4255817997"],"related_works":["https://openalex.org/W2012922909","https://openalex.org/W2033653245","https://openalex.org/W2036501693","https://openalex.org/W2129115720","https://openalex.org/W4388682634","https://openalex.org/W3112850208","https://openalex.org/W2043205489","https://openalex.org/W1971700791","https://openalex.org/W1981059832"],"abstract_inverted_index":{"Summary":[0],"Recent":[1],"trace":[2,38,137,333,393],"element":[3,59],"data":[4],"for":[5,16,27,109],"sea":[6,41,71,79,86,219],"water":[7,24,42,72,87,220],"and":[8,26,75,85,112,130,136,175,180,235,247,328,338,377,392],"plankton":[9,84,149],"reflect":[10],"the":[11,17,23,55,95,143,148,157,161,209,214,255,259,273,280,297,359,387],"importance":[12],"of":[13,19,34,57,97,101,134,145,213,231,244,262,272,282,318,331,352,358,382,389],"biological":[14],"activity":[15],"distribution":[18],"these":[20,196,349],"elements":[21,138,153,198],"in":[22,30,40,63,78,139,156,208,233,258,289,315,365],"column":[25,257],"their":[28,199],"accumulation":[29,184,275,380,388],"sediments":[31,141],"underlying":[32],"areas":[33],"high":[35,103,311],"productivity.":[36],"Many":[37],"metals":[39],"are":[43,169,307,351],"highly":[44],"correlated":[45],"to":[46,60,166,189,202,222,279,305],"nutrients":[47],"like":[48],"phosphate,":[49],"nitrate,":[50],"or":[51,286],"silica.":[52],"By":[53],"considering":[54],"ability":[56],"an":[58,99,182],"be":[61,190,223,344],"involved":[62],"nutrient":[64,135],"cycling,":[65],"as":[66],"demonstrated":[67],"by":[68,239,309,346],"its":[69,76],"deep/surface":[70],"concentration":[73,200],"ratio,":[74],"availability":[77],"water,":[80],"a":[81,224,269,329],"relationship":[82],"between":[83],"chemistry":[88,230],"is":[89,237,252,373],"evident.":[90],"Fifty":[91],"sediment":[92,274],"samples":[93],"from":[94,142,160,296],"Gulf":[96,144],"California,":[98],"area":[100],"exceptionally":[102],"primary":[104,353],"productivity,":[105],"have":[106],"been":[107],"analysed":[108],"all":[110],"major":[111,225],"15":[113],"minor":[114],"elements,":[115,334],"including":[116],"Cd,":[117,174],"Zn,":[118],"Cu,":[119],"Ni,":[120],"Ba,":[121],"Se,":[122,173],"Cr,":[123],"As,":[124],"V,":[125],"Mo,":[126,172],"Co,":[127],"Pb,":[128],"Tl,":[129],"Bi.":[131,177],"The":[132,229,370],"\u2018excess\u2019":[133],"upwelling":[140],"California":[146],"reflects":[147],"chemistry.":[150],"Among":[151],"those":[152],"found":[154],"enriched":[155],"diatomaceous":[158],"oozes":[159],"Guaymas":[162],"Basin":[163,300,362],"Slope":[164],"relative":[165],"average":[167],"shale":[168],"P,":[170],"S,":[171],"possibly":[176],"For":[178,195],"Mo":[179,319],"V":[181,322],"additional":[183],"process":[185],"besides":[186,227,335],"bioconcentration":[187],"seems":[188,221,368],"active":[191],"during":[192,363],"early":[193],"diagenesis.":[194],"two":[197],"ratios":[201],"aluminum":[203],"increase":[204],"with":[205],"burial":[206],"depth":[207,260,291],"upper":[210],"30":[211],"cm":[212],"sedimentary":[215,256],"column,":[216],"indicating":[217],"that":[218],"source,":[226],"plankton.":[228],"Ba":[232],"pore-waters":[234],"solids":[236],"controlled":[238],"barite":[240,245,284],"solubility.":[241],"A":[242],"front":[243],"precipitation":[246],"dissolution":[248],"(the":[249],"\u2018barite":[250],"front\u2019)":[251],"moving":[253],"through":[254],"range":[261],"near":[263],"zero":[264],"pore-water":[265],"sulphate,":[266],"which":[267,342],"at":[268],"drastic":[270],"reduction":[271],"rate":[276],"would":[277,385],"lead":[278],"formation":[281],"larger":[283],"crystals":[285],"even":[287],"nodules":[288],"this":[290],"range.":[292],"Cretaceous":[293,366],"black":[294],"shales":[295],"Cape":[298,360],"Verde":[299,361],"(Site":[301],"367,":[302],"Cores":[303],"17":[304],"21)":[306],"characterized":[308],"extremely":[310],"(see":[312],"maximum":[313],"values":[314],"brackets)":[316],"concentrations":[317],"(280":[320],"p.p.m.),":[321,324,327],"(3600":[323],"Zn":[325],"(7000":[326],"number":[330],"other":[332],"S":[336],"(7.4%)":[337],"organic":[339,390],"carbon":[340,391],"(35.6%)":[341],"cannot":[343],"explained":[345],"upwelling.":[347],"If":[348],"enrichments":[350],"origin,":[354],"then":[355],"complete":[356],"stagnation":[357,376],"intervals":[364],"time":[367],"likely.":[369],"marine":[371],"environment":[372],"metal-poor,":[374],"therefore":[375],"corresponding":[378],"low":[379],"rates":[381],"detrital":[383],"material":[384],"favour":[386],"metals.":[394]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-14T11:04:58.165337","created_date":"2016-06-24T00:00:00"}
