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    "type": {
        "uri": "http://www.w3.org/2004/02/skos/core#Concept"
    },
    "modified": "2025-09-19T14:14:10",
    "created": "1984-08-27",
    "prefLabel": {
        "literalForm": "凝灰岩",
        "transcription": "ギョウカイガン",
        "transcription-l": [
            {
                "@value": "ギョウカイガン",
                "@language": "ja-Kana"
            },
            {
                "@value": "Gyokaigan",
                "@language": "ja-Latn"
            }
        ]
    },
    "label": "凝灰岩",
    "altLabel": [
        {
            "literalForm": "Volcanic ash, tuff, etc"
        }
    ],
    "source": [
        "湯西川ダム使用材料試験. その1",
        "広辞苑 第5版"
    ],
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    ],
    "broader": [
        {
            "uri": "http://id.ndl.go.jp/auth/ndlsh/00573060",
            "label": "堆積岩"
        }
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            "label": "グリーンタフ"
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