{"_buckets": {"deposit": "382a43c5-b5ce-46dc-a6f6-33a4e4fad48e"}, "_deposit": {"id": "32802", "owner": "1", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "32802"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00032802", "sets": []}, "author_link": ["127686", "127687", "127688", "127689", "127682", "127683", "127684", "127685"], "item_4_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "DELP1987\u5e74\u5ea6\u5c0f\u7b20\u539f\u6d77\u57df\u822a\u6d77\u5831\u544a : VII. \u5c0f\u7b20\u539f\u5730\u57df\u306e\u706b\u5c71\u5ca9\u985e\u306e\u5ca9\u77f3\u5316\u5b66"}]}, "item_4_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1989-09-30", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "2", "bibliographicPageEnd": "254", "bibliographicPageStart": "233", "bibliographicVolumeNumber": "64", "bibliographic_titles": [{"bibliographic_title": "\u6771\u4eac\u5927\u5b78\u5730\u9707\u7814\u7a76\u6240\u5f59\u5831 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]}, "item_4_description_13": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_4_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "A large number of volcanic rocks were collected from knolls on the western side of Kita Iwo Jima and the Kaikata Seamount. Examinations on the major chemical elements of these rocks show that the volcanic materials of Kita Iwo Jima are of low-alkali tholeiitic andesite and contain about 61-66% of SiO2. Only one sample belongs to high-alkali tholeiitic andesite containing about 55% SiO2. If we assume that the high-alkali tholeiitic andesite is autochthonous, the volcanic edifice of Kita Iwo Jima consists mainly of low-alkali tholeiite and partly of high-alkali tholeiite. In contrast, the volcanic rocks from the Kaikata Seamount are of high-alkali tholeiitic basalt containing about 49-54% SiO2.", "subitem_description_type": "Abstract"}, {"subitem_description": "\u6771\u6d77\u5927\u5b66\u4e38\u4e8c\u4e16\u53f7DELP-87\u822a\u6d77\u3067\u306f,\u5c0f\u7b20\u539f\u6d77\u53f0\u306e\u5357\u897f\u90e8\u306b\u4f4d\u7f6e\u3059\u308b\u677e\u539f\u6d77\u5c71\u30671\u5730\u70b9,\u5317\u786b\u9ec4\u5cf6\u897f\u5074\u6d77\u5e95\u659c\u9762\u304a\u3088\u3073\u897f\u65b9\u306e\u5c0f\u6d77\u4e18\u30673\u5730\u70b9,\u6d77\u5f62(\u304b\u3044\u304b\u305f)\u6d77\u5c71\u30672\u5730\u70b9,\u5c0f\u7b20\u539f\u821f\u72b6\u76c6\u5730\u306e\u4e2d\u592e\u90e8\u30671\u5730\u70b9\u306e\u5408\u8a087\u5730\u70b9\u3067\u30c9\u30ec\u30c3\u30b8\u304c\u884c\u308f\u308c\u305f.\u3053\u306e\u5185,\u706b\u5c71\u5ca9\u985e\u304c\u63a1\u53d6\u3055\u308c\u305f\u306e\u306f\u5317\u786b\u9ec4\u5cf6\u897f\u65b9\u306e3\u5730\u70b9(Site 2,Site 3\u53ca\u3073Site 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