{"id":"https://openalex.org/W7207800083","doi":"https://doi.org/10.60387/0002000819","title":"\u5bcc\u5c71\u770c\u718a\u91ce\u5ddd\u6d41\u57df\u306e\u624b\u53d6\u5c64\u7fa4\u306e\u5806\u7a4d\u5e74\u4ee3","display_name":"\u5bcc\u5c71\u770c\u718a\u91ce\u5ddd\u6d41\u57df\u306e\u624b\u53d6\u5c64\u7fa4\u306e\u5806\u7a4d\u5e74\u4ee3","publication_year":2025,"publication_date":"2025-11-20","ids":{"openalex":"https://openalex.org/W7207800083","doi":"https://doi.org/10.60387/0002000819"},"language":"ja","primary_location":{"id":"pmh:oai:irdb.nii.ac.jp:03245:0007010493","doi":"https://doi.org/10.60387/0002000819","is_oa":true,"landing_page_url":"https://tsm.repo.nii.ac.jp/records/2000819","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Bulletin of the Toyama Science Museum","raw_type":"departmental bulletin paper"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://tsm.repo.nii.ac.jp/records/2000819","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046493985","display_name":"Nagata Mitsuhiro","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nagata, Mitsuhiro","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5149635372","display_name":"Masato Fujita","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fujita, Masato","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5131733383","display_name":"Tasuku Yoshioka","orcid":"https://orcid.org/0000-0001-8122-9680","observed_orcids":["https://orcid.org/0000-0001-8122-9680"]},"institutions":[{"id":"https://openalex.org/I4210115795","display_name":"Toyama Science Museum","ror":"https://ror.org/02863ez16","country_code":"JP","type":"archive","lineage":["https://openalex.org/I4210115795"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshioka, Tasuku","raw_affiliation_strings":["\u5bcc\u5c71\u5e02\u79d1\u5b66\u535a\u7269\u9928"],"raw_orcid":"https://orcid.org/0000-0001-8122-9680","affiliations":[{"raw_affiliation_string":"\u5bcc\u5c71\u5e02\u79d1\u5b66\u535a\u7269\u9928","institution_ids":["https://openalex.org/I4210115795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112246213","display_name":"Shigeru Otoh","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Otoh, Shigeru","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"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":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"49","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","score":0.9970999956130981,"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":0.9970999956130981,"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/T10109","display_name":"Paleontology and Stratigraphy of Fossils","score":0.0007999999797903001,"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/T10965","display_name":"Geological formations and processes","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"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/tetori-group","display_name":"Tetori Group","score":0.9670000076293945},{"id":"https://openalex.org/keywords/zircon-u-pb-geochronology","display_name":"zircon U-Pb geochronology","score":0.8420000076293945},{"id":"https://openalex.org/keywords/depositional-age","display_name":"depositional age","score":0.9409999847412109},{"id":"https://openalex.org/keywords/early-cretaceous","display_name":"Lower Cretaceous","score":0.9879999756813049},{"id":"https://openalex.org/keywords/early-aptian","display_name":"Early Aptian","score":0.9929999709129333},{"id":"https://openalex.org/keywords/toyama-city","display_name":"Toyama City","score":0.6039999723434448}],"concepts":[{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.8201000094413757},{"id":"https://openalex.org/C2778849375","wikidata":"https://www.wikidata.org/wiki/Q178928","display_name":"Zircon","level":2,"score":0.6644999980926514},{"id":"https://openalex.org/C12294951","wikidata":"https://www.wikidata.org/wiki/Q44626","display_name":"Cretaceous","level":2,"score":0.6261000037193298},{"id":"https://openalex.org/C126753816","wikidata":"https://www.wikidata.org/wiki/Q1994702","display_name":"Sedimentary depositional environment","level":3,"score":0.6140999794006348},{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.5616999864578247},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.5216000080108643},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.4050999879837036},{"id":"https://openalex.org/C2781291010","wikidata":"https://www.wikidata.org/wiki/Q178580","display_name":"Period (music)","level":2,"score":0.34360000491142273},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.33559998869895935},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.27489998936653137}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:irdb.nii.ac.jp:03245:0007010493","doi":"https://doi.org/10.60387/0002000819","is_oa":true,"landing_page_url":"https://tsm.repo.nii.ac.jp/records/2000819","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Bulletin of the Toyama Science Museum","raw_type":"departmental bulletin paper"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:03245:0007010493","doi":"https://doi.org/10.60387/0002000819","is_oa":true,"landing_page_url":"https://tsm.repo.nii.ac.jp/records/2000819","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Bulletin of the Toyama Science Museum","raw_type":"departmental bulletin paper"},"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/W1929707865","https://openalex.org/W2950441441","https://openalex.org/W578709790","https://openalex.org/W2635865280","https://openalex.org/W2320425894","https://openalex.org/W2621777800","https://openalex.org/W2888345631","https://openalex.org/W2608922451","https://openalex.org/W2318188487","https://openalex.org/W2318187004"],"abstract_inverted_index":{"A":[0],"tuffaceous":[1,39],"bed":[2],"was":[3],"discovered":[4],"from":[5,33],"the":[6,11,15,30,38,43,59,71,75,79],"Tetori":[7,76],"Group":[8,77],"upstream":[9],"of":[10,18,26,29,37,50,74],"Kumano-gawa":[12,80],"River":[13],"in":[14],"southern":[16],"part":[17],"Toyama":[19,21],"City,":[20],"Prefecture.":[22],"As":[23],"a":[24,34],"result":[25],"U\u2013Pb":[27],"dating":[28],"zircon":[31],"grains":[32],"rock":[35],"sample":[36],"bed,":[40],"we":[41],"obtained":[42],"youngest":[44],"cluster":[45],"(weighted":[46],"mean":[47],"206Pb/238U)":[48],"date":[49,57],"121.33":[51],"\u00b1":[52],"0.80":[53],"Ma":[54],"(2\u03c3).":[55],"This":[56],"indicates":[58],"Early":[60,65],"Cretaceous":[61],"(Late":[62],"Barremian":[63],"to":[64],"Aptian)":[66],"and":[67],"is":[68],"interpreted":[69],"as":[70],"depositional":[72],"age":[73],"along":[78],"River.":[81]},"counts_by_year":[],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2026-09-04T00:00:00"}
