{"id":"https://openalex.org/W25091121","doi":null,"title":"Petrology and geochemistry of the tapira alkaline complex, minas gerais state, Brazil","display_name":"Petrology and geochemistry of the tapira alkaline complex, minas gerais state, Brazil","publication_year":1999,"publication_date":"1999-01-01","ids":{"openalex":"https://openalex.org/W25091121","mag":"25091121"},"language":"en","primary_location":{"id":"pmh:oai:etheses.durham.ac.uk:4971","doi":null,"is_oa":false,"landing_page_url":"https://etheses.durham.ac.uk/id/eprint/4971/1/4971_2421.PDF","pdf_url":"https://etheses.durham.ac.uk/id/eprint/4971/1/4971_2421.PDF","source":{"id":"https://openalex.org/S4306402363","display_name":"Durham e-Theses (Durham University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I190082696","host_organization_name":"Durham University","host_organization_lineage":["https://openalex.org/I190082696"],"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":"Thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"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/A5006132740","display_name":"Jos\u00e9 Affonso Brod","orcid":"https://orcid.org/0000-0002-4265-2571","observed_orcids":["https://orcid.org/0000-0002-4265-2571"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Jos\u00e9 Affonso Brod","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4265-2571","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5006132740"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","score":0.9990000128746033,"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/T10001","display_name":"Geological and Geochemical Analysis","score":0.9990000128746033,"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/T13443","display_name":"Mineralogy and Gemology Studies","score":9.999999747378752e-05,"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/T13193","display_name":"Geological Studies and Exploration","score":9.999999747378752e-05,"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/carbonatites","display_name":"carbonatites","score":0.7459999918937683},{"id":"https://openalex.org/keywords/alkaline-magmatism","display_name":"alkaline magmatism","score":0.6840000152587891},{"id":"https://openalex.org/keywords/wehrlite","display_name":"wehrlite","score":0.8149999976158142},{"id":"https://openalex.org/keywords/liquid-immiscibility","display_name":"liquid immiscibility","score":0.7649999856948853},{"id":"https://openalex.org/keywords/fractional-crystallization","display_name":"fractional crystallization","score":0.859000027179718},{"id":"https://openalex.org/keywords/magmatic-differentiation","display_name":"magma differentiation","score":0.6420000195503235},{"id":"https://openalex.org/keywords/carbonatite-petrogenesis","display_name":"carbonatite petrogenesis","score":0.6520000100135803}],"concepts":[{"id":"https://openalex.org/C140441402","wikidata":"https://www.wikidata.org/wiki/Q195178","display_name":"Carbonatite","level":3,"score":0.9878048896789551},{"id":"https://openalex.org/C195081551","wikidata":"https://www.wikidata.org/wiki/Q1143398","display_name":"Ultramafic rock","level":2,"score":0.9382747411727905},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.8168478012084961},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.8089327812194824},{"id":"https://openalex.org/C183282558","wikidata":"https://www.wikidata.org/wiki/Q204376","display_name":"Kimberlite","level":3,"score":0.7187520861625671},{"id":"https://openalex.org/C2778882853","wikidata":"https://www.wikidata.org/wiki/Q422977","display_name":"Phlogopite","level":3,"score":0.7063918113708496},{"id":"https://openalex.org/C42787717","wikidata":"https://www.wikidata.org/wiki/Q42045","display_name":"Igneous rock","level":2,"score":0.6230906844139099},{"id":"https://openalex.org/C2780364934","wikidata":"https://www.wikidata.org/wiki/Q22693","display_name":"Olivine","level":2,"score":0.5735400915145874},{"id":"https://openalex.org/C2781150389","wikidata":"https://www.wikidata.org/wiki/Q107172","display_name":"Chromite","level":2,"score":0.5551339983940125},{"id":"https://openalex.org/C2777110262","wikidata":"https://www.wikidata.org/wiki/Q792425","display_name":"Large igneous province","level":4,"score":0.5272611379623413},{"id":"https://openalex.org/C104962623","wikidata":"https://www.wikidata.org/wiki/Q16919729","display_name":"Silicic","level":3,"score":0.45563334226608276},{"id":"https://openalex.org/C67236022","wikidata":"https://www.wikidata.org/wiki/Q4364434","display_name":"Mantle (geology)","level":2,"score":0.165388822555542},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.1561560332775116},{"id":"https://openalex.org/C161509811","wikidata":"https://www.wikidata.org/wiki/Q43338","display_name":"Basalt","level":2,"score":0.14932435750961304},{"id":"https://openalex.org/C162973429","wikidata":"https://www.wikidata.org/wiki/Q1467769","display_name":"Magmatism","level":3,"score":0.10993629693984985},{"id":"https://openalex.org/C77928131","wikidata":"https://www.wikidata.org/wiki/Q193343","display_name":"Tectonics","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:etheses.durham.ac.uk:4971","doi":null,"is_oa":false,"landing_page_url":"https://etheses.durham.ac.uk/id/eprint/4971/1/4971_2421.PDF","pdf_url":"https://etheses.durham.ac.uk/id/eprint/4971/1/4971_2421.PDF","source":{"id":"https://openalex.org/S4306402363","display_name":"Durham e-Theses (Durham University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I190082696","host_organization_name":"Durham University","host_organization_lineage":["https://openalex.org/I190082696"],"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":"Thesis"},{"id":"pmh:oai:etheses.dur.ac.uk:4971","doi":null,"is_oa":false,"landing_page_url":"http://etheses.dur.ac.uk/4971/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402363","display_name":"Durham e-Theses (Durham University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I190082696","host_organization_name":"Durham University","host_organization_lineage":["https://openalex.org/I190082696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},{"id":"mag:25091121","doi":null,"is_oa":false,"landing_page_url":"http://etheses.dur.ac.uk/4971/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W160784581"],"related_works":["https://openalex.org/W1888055916","https://openalex.org/W2990464881","https://openalex.org/W2046069468","https://openalex.org/W4297294288","https://openalex.org/W2891772283","https://openalex.org/W7070760249","https://openalex.org/W2625904544","https://openalex.org/W2566386328","https://openalex.org/W6986403138","https://openalex.org/W3045554541"],"abstract_inverted_index":{"The":[0,43,111,147,171,181,227],"Tapira":[1,44,183,228],"alkaline":[2],"complex":[3,46,67,229],"is":[4,47,68],"the":[5,16,36,52,71,131,136,166,169,178,189,198,215,225,263,266,271],"southernmost":[6],"of":[7,10,35,51,73,94,103,124,160,168,232,265,273],"a":[8,59],"series":[9],"carbonatite-":[11],"bearing":[12],"intrusions":[13],"occurring":[14],"in":[15,135,165,188,214,262],"Alto":[17,38],"Parana\u00edba":[18,39],"region,":[19],"western":[20],"Minas":[21],"Gerais":[22],"State,":[23],"Brazil.":[24],"Together":[25],"with":[26,83],"kamafugites,":[27],"lamproites":[28],"and":[29,81,87,98,100,119,143,152,205,251,268,275],"kimberlites,":[30],"these":[31,209],"complexes":[32],"form":[33],"part":[34],"Late-Cretaceous":[37],"Igneous":[40],"Province":[41],"(APIP).":[42],"igneous":[45],"emplaced":[48],"into":[49],"rocks":[50,79,96,113,134,210],"Late-Proterozoic":[53],"Brasilia":[54],"mobile":[55],"belt,":[56],"adjacent":[57],"to":[58,107,177,258,269],"major":[60],"cratonic":[61],"area":[62],"(the":[63],"S\u0101o":[64],"Francisco":[65],"craton).The":[66],"formed":[69],"by":[70,116,236],"amalgamation":[72],"several":[74],"intrusions,":[75],"comprising":[76],"mainly":[77],"ultramafic":[78,95,118,125,148,172],"(wehrlites":[80],"bebedourites),":[82],"subordinate":[84],"syenite,":[85],"carbonatite":[86,104,120,161],"melilitolite.":[88],"At":[89],"least":[90],"two":[91],"separate":[92],"units":[93],"(B1":[97],"B2)":[99],"five":[101],"episodes":[102],"intrusion":[105],"(CI":[106],"C5)":[108],"are":[109,114,127,130,140,150,174,211],"recognised.":[110],"plutonic":[112],"crosscut":[115],"fine-grained":[117],"dykes.":[121],"Two":[122],"varieties":[123],"dykes":[126,139,149,173,221],"recognised:":[128],"phlogopite-picrites":[129],"most":[132],"primitive":[133,182],"complex;":[137],"low-Cr":[138,220],"more":[141],"evolved,":[142],"typically":[144],"lack":[145],"olivine.":[146],"carbonate-rich,":[151],"may":[153,201,222],"contain":[154],"carbonate":[155],"ocelli,":[156],"indicating":[157],"that":[158,234],"immiscibility":[159,239],"liquid":[162,238],"occurred":[163],"early":[164],"evolution":[167,264],"complex.":[170,216],"chemically":[175],"similar":[176],"APIP":[179],"kamafugites.":[180],"magmas":[184],"underwent":[185],"some":[186],"differentiation":[187],"crust,":[190],"before":[191],"their":[192],"final":[193],"emplacement.":[194],"Crystal":[195,217],"fractionation":[196,218],"from":[197,219],"phlogopite-picrite":[199],"magma":[200],"have":[202,223,247,255],"produced":[203,224,248],"olivine":[204],"chromite-rich":[206],"cumulates,":[207],"but":[208],"under-":[212],"represented":[213],"bebedourites.":[226],"contains":[230],"examples":[231],"carbonatites":[233,274],"originated":[235],"either":[237],"or":[240],"crystal":[241],"fractionation.":[242],"These":[243],"contrasting":[244],"petrogenetic":[245],"mechanisms":[246],"distinct":[249],"geochemical":[250],"mineralogical":[252],"signatures,":[253],"which":[254],"been":[256],"used":[257],"pinpoint":[259],"specific":[260],"events":[261],"complex,":[267],"test":[270],"consanguinity":[272],"associated":[276],"silicate":[277],"rocks.":[278]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-09-09T07:26:56.047234","created_date":"2016-06-24T00:00:00"}
