{"created":"2023-05-15T14:43:06.299944+00:00","id":59057,"links":{},"metadata":{"_buckets":{"deposit":"9d52bba4-b1f3-459b-8337-ce6e2c73b540"},"_deposit":{"created_by":1,"id":"59057","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"59057"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00059057","sets":["10:29"]},"author_link":["588290","588289"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2002-01-31","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"ヨウ素を高濃度に含む千葉産鹹水試料中のヨウ素-129（半減期：1570万年）の分析を 行い、ヨウ素の年代を求めたところ、約5000万年前という結果を得た。この値はヨウ 素が産出する地層（約100-200万年）に比べ遥かに古く、そこに堆積した海藻などか らできたという従来の説では説明できない。微量元素や安定同位体分析の結果及び地 殻におけるヨウ素の分布とも合わせヨウ素の成因を考察した。その結果、海洋プレー トの沈み込みに伴い、堆積物からヨウ素が絞り出され移動して来た可能性が示唆され た。また、ヨウ素とメタンとの関係ついても考える。","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"第22回探鉱新技術分科会","subitem_description_type":"Other"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"村松, 康行"}],"nameIdentifiers":[{"nameIdentifier":"588289","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村松 康行","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"588290","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"上総層群に産出するヨウ素の年代と起源","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"上総層群に産出するヨウ素の年代と起源"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2002-06-05"},"publish_date":"2002-06-05","publish_status":"0","recid":"59057","relation_version_is_last":true,"title":["上総層群に産出するヨウ素の年代と起源"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T22:09:13.545139+00:00"}