{"id":"https://openalex.org/W1964596437","doi":"https://doi.org/10.1007/bf01117229","title":"Obsidian sources and patterns of source utilization in Kenya and northern Tanzania: some initial findings","display_name":"Obsidian sources and patterns of source utilization in Kenya and northern Tanzania: some initial findings","publication_year":1984,"publication_date":"1984-01-01","ids":{"openalex":"https://openalex.org/W1964596437","doi":"https://doi.org/10.1007/bf01117229","mag":"1964596437"},"language":"en","primary_location":{"id":"doi:10.1007/bf01117229","doi":"https://doi.org/10.1007/bf01117229","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01117229","pdf_url":null,"source":{"id":"https://openalex.org/S203792648","display_name":"African Archaeological Review","issn_l":"0263-0338","issn":["0263-0338","1572-9842"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-2","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The African Archaeological Review","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/A5067326096","display_name":"Harry V. Merrick","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Harry V. Merrick","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5112871915","display_name":"Francis H. Brown","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Francis H. Brown","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3390,"currency":"USD","value_usd":3390},"apc_paid":null,"fwci":29.1517,"has_fulltext":false,"cited_by_count":147,"citation_normalized_percentile":{"value":0.99171892,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"2","issue":"1","first_page":"129","last_page":"152"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11212","display_name":"Cultural Heritage Materials Analysis","score":0.9771000146865845,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11212","display_name":"Cultural Heritage Materials Analysis","score":0.9771000146865845,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13256","display_name":"Archaeology and Rock Art Studies","score":0.011099999770522118,"subfield":{"id":"https://openalex.org/subfields/3302","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10087","display_name":"Archaeology and ancient environmental studies","score":0.003000000026077032,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/obsidian","display_name":"obsidian","score":0.8519999980926514},{"id":"https://openalex.org/keywords/obsidian-sources","display_name":"obsidian sources","score":0.8460000157356262},{"id":"https://openalex.org/keywords/obsidian-sourcing","display_name":"obsidian sourcing","score":0.7139999866485596},{"id":"https://openalex.org/keywords/long-distance-exchange","display_name":"long-distance exchange","score":0.5849999785423279},{"id":"https://openalex.org/keywords/prehistoric-trade","display_name":"prehistoric trade","score":0.4779999852180481},{"id":"https://openalex.org/keywords/middle-stone-age","display_name":"Middle Stone Age","score":0.6190000176429749},{"id":"https://openalex.org/keywords/kenya","display_name":"Kenya","score":0.5659999847412109},{"id":"https://openalex.org/keywords/northern-tanzania","display_name":"northern Tanzania","score":0.8320000171661377},{"id":"https://openalex.org/keywords/geochemical-characterization","display_name":"geochemical characterization","score":0.5730000138282776}],"concepts":[{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.6989414691925049},{"id":"https://openalex.org/C204852536","wikidata":"https://www.wikidata.org/wiki/Q11756","display_name":"Prehistory","level":2,"score":0.6478110551834106},{"id":"https://openalex.org/C2779357621","wikidata":"https://www.wikidata.org/wiki/Q655495","display_name":"Tanzania","level":2,"score":0.6293973922729492},{"id":"https://openalex.org/C2778697265","wikidata":"https://www.wikidata.org/wiki/Q2366717","display_name":"Rift valley","level":2,"score":0.5875431299209595},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5194356441497803},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.5087845921516418},{"id":"https://openalex.org/C187651312","wikidata":"https://www.wikidata.org/wiki/Q114","display_name":"Kenya","level":2,"score":0.4556953012943268},{"id":"https://openalex.org/C2983685735","wikidata":"https://www.wikidata.org/wiki/Q5227355","display_name":"Data source","level":2,"score":0.41318899393081665},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.18874779343605042},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.09993436932563782},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C91375879","wikidata":"https://www.wikidata.org/wiki/Q15473274","display_name":"Environmental planning","level":1,"score":0.0},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf01117229","doi":"https://doi.org/10.1007/bf01117229","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01117229","pdf_url":null,"source":{"id":"https://openalex.org/S203792648","display_name":"African Archaeological Review","issn_l":"0263-0338","issn":["0263-0338","1572-9842"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-2","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The African Archaeological Review","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W570543625","https://openalex.org/W589643694","https://openalex.org/W599056149","https://openalex.org/W616165583","https://openalex.org/W1517302605","https://openalex.org/W1542477438","https://openalex.org/W1599643632","https://openalex.org/W1968334639","https://openalex.org/W1968458134","https://openalex.org/W1968814945","https://openalex.org/W1974755475","https://openalex.org/W1984380038","https://openalex.org/W1991009189","https://openalex.org/W1992402159","https://openalex.org/W2010220548","https://openalex.org/W2038363867","https://openalex.org/W2039629734","https://openalex.org/W2055317976","https://openalex.org/W2057522084","https://openalex.org/W2058041543","https://openalex.org/W2061003175","https://openalex.org/W2076677283","https://openalex.org/W2076977539","https://openalex.org/W2078928851","https://openalex.org/W2081272225","https://openalex.org/W2117509558","https://openalex.org/W2127617108","https://openalex.org/W2136836778","https://openalex.org/W2163575741","https://openalex.org/W2170395116","https://openalex.org/W2253602346","https://openalex.org/W2284883448","https://openalex.org/W2318270999","https://openalex.org/W2796168228","https://openalex.org/W2797269434","https://openalex.org/W2797839744","https://openalex.org/W2798217427","https://openalex.org/W3135616074","https://openalex.org/W4252059423","https://openalex.org/W4285719527","https://openalex.org/W6632368664"],"related_works":["https://openalex.org/W2000141620","https://openalex.org/W7214047973","https://openalex.org/W2053197361","https://openalex.org/W2571682121","https://openalex.org/W2396335379","https://openalex.org/W3080442151","https://openalex.org/W3136077935","https://openalex.org/W3039103433","https://openalex.org/W2472636949","https://openalex.org/W4289815736"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-29T09:56:32.521200","created_date":"2016-06-24T00:00:00"}
