{"_buckets": {"deposit": "95595ca0-30e5-4089-9e9c-0b7e95619b19"}, "_deposit": {"id": "4795", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "4795"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00004795"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "The relation between the geochemistry of stream sediments and development of Tatara iron making in Yokota, Oku-Izumo, Shimane, Japan"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2005", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "41", "bibliographicPageStart": "33", "bibliographicVolumeNumber": "21", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u535a\u7269\u9928\u5831\u544a"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "It is known that the technology and culture of \u201cTatara iron making\u201d have developed in Okuizumo,\nShimane, Japan from ancient time. In order to clarify the relation between the development of\nTatara iron making and geochemical feature in the region, this study analyzed the chemistry of\nstream sediments in Yokota, Okuizumo and made geochemical maps. The research area consists\nmainly of felsic igneous rocks. The igneous rocks extend from northeast to southwest and show\nparallel distribution with a few kilometers in width. The distribution of these rocks affects the\nelement compositions of stream sediments. The sediments from area, in which the Yokota\ngranodiorite is distributed, show high concentrations of Fe, MgO and CaO and low concentrations\nof SiO2. The sediments from area composed of the other rocks show opposite geochemical features.\nStream sediments from Yokota area are entirely characterized by high Fe concentration. The average\nFe concentration is 7.1% and some samples show higher Fe concentration than 15%. The average\nconcentration is higher than twice of Fe concentration of JG-1a, JG-2, and JG-3. Samples, of which\nmagnetic component are removed, show lower Fe concentration than that of bulk ones. The removed\ncomponents of the samples show X-ray diffraction patterns with peaks of magnetite and hematite.\nTherefore, the high Fe contents of the stream sediments are ascribed to high content of magnetite,\nwhich is principal mineral for Tatara iron making. The enrichment of magnetite in Yokota may\nplay an important role in development of the industry. While, there is no distinct relation between\nthe distributions of Fe concentration and Tatara ruins in Yokota, suggesting additional requirements\nfor the development of Tatara iron making.", "subitem_description_type": "Abstract"}]}, "item_9_description_5": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\u56fd\u7acb\u60c5\u5831\u5b66\u7814\u7a76\u6240\u3067\u96fb\u5b50\u5316\u3057\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002", "subitem_description_type": "Other"}]}, "item_9_identifier_60": {"attribute_name": "URI", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/2237/6330"}]}, "item_9_identifier_registration": {"attribute_name": "ID\u767b\u9332", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.18999/bulnum.021.03", "subitem_identifier_reg_type": "JaLC"}]}, "item_9_publisher_32": {"attribute_name": "\u51fa\u7248\u8005", 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