{"id":"https://openalex.org/W4403522334","doi":null,"title":"Proven and Possible Impact Structures from Chad: A Review ans new findings","display_name":"Proven and Possible Impact Structures from Chad: A Review ans new findings","publication_year":2024,"publication_date":"2024-07-28","ids":{"openalex":"https://openalex.org/W4403522334"},"language":"en","primary_location":{"id":"pmh:oai:HAL:hal-04741088v1","doi":null,"is_oa":false,"landing_page_url":"https://hal.science/hal-04741088","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4405252976","host_organization_name":"Centre pour la Communication Scientifique Directe","host_organization_lineage":["https://openalex.org/I4405252976"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"86th annual meeting of The Meteoritical Society, Jul 2024, Bruxelles, Belgium. pp.6004","raw_type":"info:eu-repo/semantics/conferenceObject"},"volume":null,"type":"conference-paper","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/A5112357224","display_name":"Jean-Claude Doumnang","orcid":"https://orcid.org/0000-0001-5950-9870","observed_orcids":["https://orcid.org/0000-0001-5950-9870"]},"institutions":[{"id":"https://openalex.org/I117723502","display_name":"University of N'Djamena","ror":"https://ror.org/013gpqv08","country_code":"TD","type":"education","lineage":["https://openalex.org/I117723502"]}],"countries":["TD"],"is_corresponding":false,"raw_author_name":"Doumnang, J, C","raw_affiliation_strings":["Universit\u00e9 de N'Djam\u00e9na (Av. Mobutu - B.P. 1117 N'Djam\u00e9na - Chad)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e9 de N'Djam\u00e9na (Av. Mobutu - B.P. 1117 N'Djam\u00e9na - Chad)","institution_ids":["https://openalex.org/I117723502"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049082542","display_name":"P. Rochette","orcid":"https://orcid.org/0000-0002-7362-0660","observed_orcids":["https://orcid.org/0000-0002-7362-0660"]},"institutions":[{"id":"https://openalex.org/I4210104942","display_name":"Centre de Recherche et d\u2019Enseignement de G\u00e9osciences de l\u2019Environnement","ror":"https://ror.org/01pa4h393","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I21491767","https://openalex.org/I2746051580","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210090127","https://openalex.org/I4210093025","https://openalex.org/I4210104942","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210166444"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Rochette, P","raw_affiliation_strings":["CEREGE - Centre Europ\u00e9en de Recherche et d'Enseignement des G\u00e9osciences de l'Environnement (Europ\u00f4le M\u00e9diterran\u00e9en de l'Arbois - Avenue Louis Philibert - BP 80 - 13545 Aix-en-Provence cedex 4 - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CEREGE - Centre Europ\u00e9en de Recherche et d'Enseignement des G\u00e9osciences de l'Environnement (Europ\u00f4le M\u00e9diterran\u00e9en de l'Arbois - Avenue Louis Philibert - BP 80 - 13545 Aix-en-Provence cedex 4 - France)","institution_ids":["https://openalex.org/I4210104942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062778209","display_name":"J\u00e9r\u00f4me Gattacceca","orcid":"https://orcid.org/0000-0002-1639-7140","observed_orcids":["https://orcid.org/0000-0002-1639-7140"]},"institutions":[{"id":"https://openalex.org/I4210104942","display_name":"Centre de Recherche et d\u2019Enseignement de G\u00e9osciences de l\u2019Environnement","ror":"https://ror.org/01pa4h393","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I21491767","https://openalex.org/I2746051580","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210090127","https://openalex.org/I4210093025","https://openalex.org/I4210104942","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210166444"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Gattacceca, J","raw_affiliation_strings":["CEREGE - Centre Europ\u00e9en de Recherche et d'Enseignement des G\u00e9osciences de l'Environnement (Europ\u00f4le M\u00e9diterran\u00e9en de l'Arbois - Avenue Louis Philibert - BP 80 - 13545 Aix-en-Provence cedex 4 - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CEREGE - Centre Europ\u00e9en de Recherche et d'Enseignement des G\u00e9osciences de l'Environnement (Europ\u00f4le M\u00e9diterran\u00e9en de l'Arbois - Avenue Louis Philibert - BP 80 - 13545 Aix-en-Provence cedex 4 - France)","institution_ids":["https://openalex.org/I4210104942"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039263544","display_name":"Y. Quesnel","orcid":"https://orcid.org/0000-0001-9633-5080","observed_orcids":["https://orcid.org/0000-0001-9633-5080"]},"institutions":[{"id":"https://openalex.org/I4210104942","display_name":"Centre de Recherche et d\u2019Enseignement de G\u00e9osciences de l\u2019Environnement","ror":"https://ror.org/01pa4h393","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I21491767","https://openalex.org/I2746051580","https://openalex.org/I2802818602","https://openalex.org/I4210088668","https://openalex.org/I4210090127","https://openalex.org/I4210093025","https://openalex.org/I4210104942","https://openalex.org/I4210131494","https://openalex.org/I4210148025","https://openalex.org/I4210166444"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Quesnel, Y.","raw_affiliation_strings":["CEREGE - Centre Europ\u00e9en de Recherche et d'Enseignement des G\u00e9osciences de l'Environnement (Europ\u00f4le M\u00e9diterran\u00e9en de l'Arbois - Avenue Louis Philibert - BP 80 - 13545 Aix-en-Provence cedex 4 - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CEREGE - Centre Europ\u00e9en de Recherche et d'Enseignement des G\u00e9osciences de l'Environnement (Europ\u00f4le M\u00e9diterran\u00e9en de l'Arbois - Avenue Louis Philibert - BP 80 - 13545 Aix-en-Provence cedex 4 - France)","institution_ids":["https://openalex.org/I4210104942"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18937876,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"59","issue":"S1","first_page":"6004","last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","score":0.8109999895095825,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"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/T10325","display_name":"Astro and Planetary Science","score":0.8109999895095825,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"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/T10406","display_name":"Planetary Science and Exploration","score":0.05260000005364418,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"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":0.04919999837875366,"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/impact-structures","display_name":"impact craters","score":0.9160000085830688},{"id":"https://openalex.org/keywords/chad","display_name":"Chad","score":0.9240000247955322},{"id":"https://openalex.org/keywords/paleoclimate","display_name":"paleoclimate","score":0.5329999923706055},{"id":"https://openalex.org/keywords/sahara","display_name":"Sahara","score":0.6330000162124634},{"id":"https://openalex.org/keywords/devonian-sandstone","display_name":"Devonian sandstone","score":0.8370000123977661},{"id":"https://openalex.org/keywords/meteorite-fall","display_name":"meteorite fall","score":0.7570000290870667},{"id":"https://openalex.org/keywords/meteorite-finds","display_name":"meteorite finds","score":0.7239999771118164}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4796612560749054}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:HAL:hal-04741088v1","doi":null,"is_oa":false,"landing_page_url":"https://hal.science/hal-04741088","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4405252976","host_organization_name":"Centre pour la Communication Scientifique Directe","host_organization_lineage":["https://openalex.org/I4405252976"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"86th annual meeting of The Meteoritical Society, Jul 2024, Bruxelles, Belgium. pp.6004","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4389281863","https://openalex.org/W2137184201","https://openalex.org/W1498690404","https://openalex.org/W297328468","https://openalex.org/W2064180769","https://openalex.org/W2891110654","https://openalex.org/W1985880246","https://openalex.org/W2960223898","https://openalex.org/W3133763838","https://openalex.org/W4239528851"],"abstract_inverted_index":{"Introduction:":[0],"The":[1,73,195],"large":[2,209],"surface":[3],"of":[4,21,45,62,86,107,185,211,215,218,220,230,244],"Chad":[5],"(1.3":[6],"million":[7],"km":[8,53,152,192],"2":[9,193,256],")":[10],"as":[11,13,35,142],"well":[12],"desertic":[14],"to":[15,31],"semi-desertic":[16],"climate":[17],"on":[18,111,136],"the":[19,43,48,101,161,178,208,216,225,231,234],"majority":[20],"its":[22,129,137],"area,":[23],"makes":[24],"this":[25],"country":[26],"a":[27,38,60,133,143,150],"potentially":[28],"prolific":[29],"place":[30],"identify":[32],"impact":[33,64,127],"craters":[34],"discussed":[36],"in":[37,177,222,259],"recent":[39],"review":[40],"[1],":[41],"following":[42],"one":[44],"[2].":[46],"Besides":[47],"two":[49],"proven":[50,171,198],"circa":[51],"15-20":[52],"diameter":[54,153],"eroded":[55],"structures,":[56,83],"Aorounga":[57],"and":[58,81,89,98,113,128,139,181,233,255],"Gweni-Fada,":[59],"number":[61],"potential":[63,140,173],"structures":[65,96,174,201,212,238],"have":[66],"also":[67,147,249],"been":[68],"proposed":[69,95],"(table":[70],"andfigure":[71],"below).":[72],"most":[74,105],"promising":[75,200],"ones":[76],"are":[77,104,175,239],"Faya,":[78],"Iro":[79,116,168],"lake":[80,117],"Mousso":[82],"with":[84,224],"diameters":[85],"2,":[87],"13":[88],"3.5":[90],"km,":[91],"respectively.":[92],"Other":[93],"previously":[94],"(Oun":[97],"Uri),":[99],"near":[100],"Libyan":[102],"border,":[103],"probably":[106],"magmatic":[108],"origin.":[109],"Based":[110],"geomorphological":[112],"geological":[114],"arguments":[115],"geomorphology":[118],"cannot":[119],"be":[120,132],"readily":[121],"explained":[122],"by":[123,241],"another":[124],"process":[125],"than":[126],"investigation":[130],"should":[131],"priority":[134],"based":[135],"size":[138],"interest":[141],"paleoclimatic":[144],"recorder.":[145],"We":[146],"put":[148],"forward":[149],"31":[151],"structure":[154],"named":[155],"Ehi":[156],"Gidaha,":[157],"possibly":[158],"buried":[159],"under":[160],"Devonian":[162],"sandstones":[163],"from":[164,202],"south":[165],"Tibesti.":[166],"Except":[167],"lake,":[169],"all":[170],"or":[172,199],"located":[176],"Paleozoic":[179],"(Carboniferous":[180],"older)":[182],"sedimentary":[183],"formations":[184],"Sahara,":[186],"covering":[187],"about":[188,251],"8":[189],"10":[190],"4":[191],".":[194],"four":[196],"post-Carboniferous":[197],"Sahara":[203],"lack":[204],"age":[205],"constrains.":[206],"However,":[207],"density":[210],"suggests":[213],"ages":[214],"order":[217],"hundreds":[219],"Ma,":[221],"line":[223],"extremely":[226],"low":[227],"erosion":[228],"rate":[229],"area":[232],"fact":[235],"that":[236],"these":[237],"affected":[240],"regional":[242],"joints":[243],"likely":[245],"Tertiary":[246],"age.":[247],"[1]":[248],"report":[250],"meteorites":[252],"(4":[253],"falls":[254],"finds)":[257],"recovered":[258],"Chad.":[260]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2024-10-18T00:00:00"}