{"id":"https://openalex.org/W2048852249","doi":"https://doi.org/10.4116/jaqua.34.221","title":"Towards Precise Measurement of Zircon and Glass Fission-Track Geochronology for Quaternary Tephras.","display_name":"Towards Precise Measurement of Zircon and Glass Fission-Track Geochronology for Quaternary Tephras.","publication_year":1995,"publication_date":"1995-01-01","ids":{"openalex":"https://openalex.org/W2048852249","doi":"https://doi.org/10.4116/jaqua.34.221","mag":"2048852249"},"language":"en","primary_location":{"id":"doi:10.4116/jaqua.34.221","doi":"https://doi.org/10.4116/jaqua.34.221","is_oa":true,"landing_page_url":"https://doi.org/10.4116/jaqua.34.221","pdf_url":"https://www.jstage.jst.go.jp/article/jaqua1957/34/3/34_3_221/_pdf","source":{"id":"https://openalex.org/S4210207270","display_name":"The Quaternary Research (Daiyonki-Kenkyu)","issn_l":"0418-2642","issn":["0418-2642","1881-8129"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Quaternary Research (Daiyonki-Kenkyu)","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.jstage.jst.go.jp/article/jaqua1957/34/3/34_3_221/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5007702499","display_name":"Tohru Danhara","orcid":"https://orcid.org/0000-0002-0017-4161","observed_orcids":["https://orcid.org/0000-0002-0017-4161"]},"institutions":[{"id":"https://openalex.org/I4405276677","display_name":"Kyoto Fission-Track Co.ltd (Japan)","ror":"https://ror.org/05whanw23","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405276677"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Tohru Danhara","raw_affiliation_strings":["Kyoto Fission-Track Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyoto Fission-Track Co., Ltd","institution_ids":["https://openalex.org/I4405276677"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5007702499"],"corresponding_institution_ids":["https://openalex.org/I4405276677"],"apc_list":null,"apc_paid":null,"fwci":1.9554,"has_fulltext":true,"cited_by_count":45,"citation_normalized_percentile":{"value":0.82303864,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"34","issue":"3","first_page":"221","last_page":"237"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","score":0.9940999746322632,"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":0.9940999746322632,"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/T10087","display_name":"Archaeology and ancient environmental studies","score":0.00139999995008111,"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/T12506","display_name":"Nuclear materials and radiation effects","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/fission-track-dating","display_name":"fission track dating","score":0.8389999866485596},{"id":"https://openalex.org/keywords/zircon","display_name":"zircon","score":0.9309999942779541},{"id":"https://openalex.org/keywords/glass","display_name":"glass","score":0.6019999980926514},{"id":"https://openalex.org/keywords/quaternary-tephra","display_name":"Quaternary tephra","score":0.9710000157356262},{"id":"https://openalex.org/keywords/measurement-precision","display_name":"measurement precision","score":0.6510000228881836},{"id":"https://openalex.org/keywords/tephrochronology","display_name":"tephrochronology","score":0.6460000276565552}],"concepts":[{"id":"https://openalex.org/C202746551","wikidata":"https://www.wikidata.org/wiki/Q213891","display_name":"Geochronology","level":2,"score":0.8589224815368652},{"id":"https://openalex.org/C2778849375","wikidata":"https://www.wikidata.org/wiki/Q178928","display_name":"Zircon","level":2,"score":0.8333100080490112},{"id":"https://openalex.org/C92217149","wikidata":"https://www.wikidata.org/wiki/Q1420956","display_name":"Fission track dating","level":3,"score":0.748437225818634},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.7012203931808472},{"id":"https://openalex.org/C12294094","wikidata":"https://www.wikidata.org/wiki/Q929080","display_name":"Fission","level":3,"score":0.5362306237220764},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.5130475759506226},{"id":"https://openalex.org/C160464908","wikidata":"https://www.wikidata.org/wiki/Q26185","display_name":"Quaternary","level":2,"score":0.4496048092842102},{"id":"https://openalex.org/C89992363","wikidata":"https://www.wikidata.org/wiki/Q5961558","display_name":"Track (disk drive)","level":2,"score":0.43921759724617004},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.332805335521698},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.1469852328300476},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.1296277642250061},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.07162463665008545},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.04753345251083374},{"id":"https://openalex.org/C152568617","wikidata":"https://www.wikidata.org/wiki/Q2348","display_name":"Neutron","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.4116/jaqua.34.221","doi":"https://doi.org/10.4116/jaqua.34.221","is_oa":true,"landing_page_url":"https://doi.org/10.4116/jaqua.34.221","pdf_url":"https://www.jstage.jst.go.jp/article/jaqua1957/34/3/34_3_221/_pdf","source":{"id":"https://openalex.org/S4210207270","display_name":"The Quaternary Research (Daiyonki-Kenkyu)","issn_l":"0418-2642","issn":["0418-2642","1881-8129"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Quaternary Research (Daiyonki-Kenkyu)","raw_type":"journal-article"},{"id":"mag:279600340","doi":null,"is_oa":false,"landing_page_url":"https://ci.nii.ac.jp/naid/10002633018","pdf_url":null,"source":{"id":"https://openalex.org/S4210207270","display_name":"The Quaternary Research (Daiyonki-Kenkyu)","issn_l":"0418-2642","issn":["0418-2642","1881-8129"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\u7b2c\u56db\u7d00\u7814\u7a76","raw_type":null}],"best_oa_location":{"id":"doi:10.4116/jaqua.34.221","doi":"https://doi.org/10.4116/jaqua.34.221","is_oa":true,"landing_page_url":"https://doi.org/10.4116/jaqua.34.221","pdf_url":"https://www.jstage.jst.go.jp/article/jaqua1957/34/3/34_3_221/_pdf","source":{"id":"https://openalex.org/S4210207270","display_name":"The Quaternary Research (Daiyonki-Kenkyu)","issn_l":"0418-2642","issn":["0418-2642","1881-8129"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Quaternary Research (Daiyonki-Kenkyu)","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2048852249.pdf","grobid_xml":"https://content.openalex.org/works/W2048852249.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W1526313708","https://openalex.org/W1704498141","https://openalex.org/W1964540605","https://openalex.org/W1971474538","https://openalex.org/W1980985564","https://openalex.org/W1983971193","https://openalex.org/W1988271850","https://openalex.org/W1992395790","https://openalex.org/W1992949032","https://openalex.org/W1996284045","https://openalex.org/W1998025878","https://openalex.org/W2000364724","https://openalex.org/W2005746785","https://openalex.org/W2011598246","https://openalex.org/W2024642894","https://openalex.org/W2025090904","https://openalex.org/W2029464449","https://openalex.org/W2035038563","https://openalex.org/W2036004529","https://openalex.org/W2038120511","https://openalex.org/W2039052377","https://openalex.org/W2040648730","https://openalex.org/W2045319837","https://openalex.org/W2050848781","https://openalex.org/W2051756842","https://openalex.org/W2053180730","https://openalex.org/W2059628331","https://openalex.org/W2059805285","https://openalex.org/W2062088402","https://openalex.org/W2064195957","https://openalex.org/W2066886350","https://openalex.org/W2070606313","https://openalex.org/W2071579631","https://openalex.org/W2074207402","https://openalex.org/W2082203956","https://openalex.org/W2090760175","https://openalex.org/W2091056976","https://openalex.org/W2093021183","https://openalex.org/W2160742776","https://openalex.org/W2321829966","https://openalex.org/W2744845925","https://openalex.org/W3040791677","https://openalex.org/W4249509707"],"related_works":["https://openalex.org/W2023907508","https://openalex.org/W3114835362","https://openalex.org/W7144758723","https://openalex.org/W2515641725","https://openalex.org/W76786219","https://openalex.org/W587585444","https://openalex.org/W2057693554","https://openalex.org/W1970449756","https://openalex.org/W4210975835","https://openalex.org/W1510794573"],"abstract_inverted_index":{"\u30d5\u30a3\u30c3\u30b7\u30e7\u30f3\u30fb\u30c8\u30e9\u30c3\u30af(FT)\u6cd5\u306f,\u5e74\u4ee3\u8f03\u6b63\u306b\u95a2\u3059\u308bIUGS\u52e7\u544a(Hurford,1990a,b)\u4ee5\u964d,\u5e74\u4ee3\u6a19\u6e96\u8a66\u6599\u306b\u3088\u308b\u30bc\u30fc\u30bf\u8f03\u6b63\u3092\u5fc5\u8981\u3068\u3059\u308b\u6e2c\u5b9a\u6cd5\u3068\u306a\u3063\u305f.\u7b2c\u56db\u7d00\u30c6\u30d5\u30e9\u306eFT\u5e74\u4ee3\u6e2c\u5b9a\u306b\u306f\u30b8\u30eb\u30b3\u30f3\u3068\u30ac\u30e9\u30b9\u304c\u5bfe\u8c61\u3068\u3055\u308c,\u30b8\u30eb\u30b3\u30f3\u3067\u306f\u7d50\u6676\u5185\u90e8\u9762(ED1)\u3068\u5916\u90e8\u9762(ED2)\u306e\u6e2c\u5b9a,\u30ac\u30e9\u30b9\u3067\u306fITP-FT\u88dc\u6b63\u6cd5\u304c\u5e83\u304f\u7528\u3044\u3089\u308c\u308b.\u30b8\u30eb\u30b3\u30f3\u3068\u30ac\u30e9\u30b9\u306eFT\u5e74\u4ee3\u6e2c\u5b9a\u306b\u3064\u3044\u3066,\u56fd\u969b\u30ec\u30d9\u30eb\u304a\u3088\u3073\u308f\u304c\u56fd\u3067\u306e\u73fe\u72b6\u3068\u554f\u984c\u70b9\u3092\u30ec\u30d3\u30e5\u30fc\u3057\u305f.\u307e\u305f,\u5e74\u4ee3\u6e2c\u5b9a\u624b\u6cd5,\u305d\u306e\u4fe1\u983c\u6027\u304a\u3088\u3073\u9054\u6210\u53ef\u80fd\u306a\u6e2c\u5b9a\u7cbe\u5ea6\u306b\u3064\u3044\u3066\u8a00\u53ca\u3057\u305f.\u304a\u3082\u306b,\u30b8\u30eb\u30b3\u30f3\u306e\u9ad8\u7cbe\u5ea6\u5e74\u4ee3\u6e2c\u5b9a\u9054\u6210\u306e\u6761\u4ef6\u306b\u3064\u3044\u3066\u691c\u8a0e\u3057,\u30bc\u30fc\u30bf\u8f03\u6b63,\u4f4e\u3044\u81ea\u767a\u30c8\u30e9\u30c3\u30af\u5bc6\u5ea6\u306e\u6b63\u78ba\u306a\u6e2c\u5b9a,\u672c\u8cea\u7d50\u6676\u306e\u8b58\u5225\u304c\u524d\u63d0\u6761\u4ef6\u3068\u306a\u308b\u3053\u3068\u3092\u8b70\u8ad6\u3057\u305f.\u305d\u306e\u7d50\u679c,\u30b8\u30eb\u30b3\u30f3\u306e\u5834\u5408\u306b\u306f,\u7d50\u6676\u5916\u90e8\u9762\u3092\u7528\u3044\u308bED2\u6cd5\u304c\u9ad8\u7cbe\u5ea6\u6e2c\u5b9a\u306b\u9069\u3059\u308b\u3053\u3068\u3092\u7d50\u8ad6\u3057\u305f.\u3053\u306e\u65b9\u6cd5\u3092\u7528\u3044\u3066,\u65e5\u672c\u306e\u4ee3\u8868\u7684\u306a\u5e83\u57df\u30c6\u30d5\u30e95\u8a66\u6599\u306e\u9ad8\u7cbe\u5ea6\u5e74\u4ee3\u6e2c\u5b9a\u3092\u884c\u3063\u305f.":[0]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
