{"_buckets": {"deposit": "127eddd5-e2eb-4fb9-80e2-8eb94cdfd4f8"}, "_deposit": {"id": "18107", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "18107"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00018107"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Dissolution of limestone block located at 6500m depth of the Palau Trench"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2013-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "77", "bibliographicPageStart": "73", "bibliographicVolumeNumber": "24", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u52a0\u901f\u5668\u8cea\u91cf\u5206\u6790\u8a08\u696d\u7e3e\u5831\u544a\u66f8"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "The large limestone block was found at 6500m depth of Palau Trench in 1993. The Sr isotopic age of this limestone shows the accumulation age of late Miocene. Using the submersible Shinkai 6500, we report the 14C density of seawater collected around the large limestone block on the landward slope of the Palau Trench, at around 6500m depth, which is significantly deeper than the carbonate compensation depth (CCD). AMS-14C measurements of dissolved inorganic carbon (DIC) extracted revealed values as low as -295\u2030. It is suggested that this value is predominantly caused by the dissolution from the limestone block.1993 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