{"ok":true,"version":"1.1.0","license":"https://www.gsj.jp/license/license.html","attribution":"出典：産業技術総合研究所 地質調査総合センター「GSJ 地質図幅凡例データセット」","lang":"ja","type":"LegendUnit","id":"m339_u012","@id":"https://gbank.gsj.jp/ld/resource/zfk/units/m339_u012","geom":{"uri":"https://gbank.gsj.jp/ld/resource/zfk/units/m339_u012/geom","geojson_url":"https://cdn.gsj.jp/ld/zfk/units_geojson/m339_u012.geojson","centroid":{"lat":41.42535,"lon":141.080513,"epsg":4326},"bbox":[140.998102,41.388138,141.165879,41.486392],"color":"#f9c69a"},"map":{"type":"LegendMap","map_id":339,"@id":"https://gbank.gsj.jp/ld/resource/zfk/maps/m339","sheet_code":"G50_05_003","series":"5万分の1地質図幅","title_ja":"大畑","title_en":null,"author":["上村不二雄","斎藤正次"],"authors":[{"name_display":"上村不二雄","name_ja":"上村不二雄","name_en":"Fujio UEMURA","name_alt":["Fujio UEMURA"]},{"name_display":"斎藤正次","name_ja":"斎藤正次","name_en":"Masatsugu SAITO","name_alt":["Masatsugu 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id=\"m339_u012_H1\"></span><p>本岩は安山岩質の凝灰角礫岩～凝灰岩や浮石質凝灰岩を主体としているが，このほか岩滓凝灰岩・火山円礫岩・砂岩・泥岩などを挟む。岩相は処によりやや異なるが，細分することは困難なため，これを一括して示すこととした。</p><p>凝灰角礫岩は黄褐色の基質中に拳大～人頭大，時には1m以上に及ぶ安山岩礫を多く含む。基質と同岩質な凝灰岩に移化することがある。礫は黒灰色または赤褐色のややガラス質の安山岩礫である。浮石質凝灰岩は黄褐色の基質中に卵大以下の黄褐色の浮石を多く含んでいる。岩滓凝灰岩はこの火山の南側斜面において，本凝灰角礫岩の上部に2～3mの厚さをもって2～3枚挟まれる。ほとんど指頭大以下の黒灰色の岩滓のみからなっている。火山円礫岩および砂岩は各処に薄層として介在し，一般に凝固不充分なものが多い。大畑川下流の支流である高橋川の中流附近には，凝灰角礫岩と互層して，ほとんど水平に成層した細粒砂岩～泥岩からなる，おそらく陸成層と思われるものが介在する部分がある。</p></div></div>","text":"管ノ尻凝灰角礫岩\n本岩は安山岩質の凝灰角礫岩～凝灰岩や浮石質凝灰岩を主体としているが，このほか岩滓凝灰岩・火山円礫岩・砂岩・泥岩などを挟む。岩相は処によりやや異なるが，細分することは困難なため，これを一括して示すこととした。\n凝灰角礫岩は黄褐色の基質中に拳大～人頭大，時には1m以上に及ぶ安山岩礫を多く含む。基質と同岩質な凝灰岩に移化することがある。礫は黒灰色または赤褐色のややガラス質の安山岩礫である。浮石質凝灰岩は黄褐色の基質中に卵大以下の黄褐色の浮石を多く含んでいる。岩滓凝灰岩はこの火山の南側斜面において，本凝灰角礫岩の上部に2～3mの厚さをもって2～3枚挟まれる。ほとんど指頭大以下の黒灰色の岩滓のみからなっている。火山円礫岩および砂岩は各処に薄層として介在し，一般に凝固不充分なものが多い。大畑川下流の支流である高橋川の中流附近には，凝灰角礫岩と互層して，ほとんど水平に成層した細粒砂岩～泥岩からなる，おそらく陸成層と思われるものが介在する部分がある。","blocks":[{"type":"heading","depth":1,"text":"管ノ尻凝灰角礫岩","id":""},{"type":"paragraph","text":"本岩は安山岩質の凝灰角礫岩～凝灰岩や浮石質凝灰岩を主体としているが，このほか岩滓凝灰岩・火山円礫岩・砂岩・泥岩などを挟む。岩相は処によりやや異なるが，細分することは困難なため，これを一括して示すこととした。"},{"type":"paragraph","text":"凝灰角礫岩は黄褐色の基質中に拳大～人頭大，時には1m以上に及ぶ安山岩礫を多く含む。基質と同岩質な凝灰岩に移化することがある。礫は黒灰色または赤褐色のややガラス質の安山岩礫である。浮石質凝灰岩は黄褐色の基質中に卵大以下の黄褐色の浮石を多く含んでいる。岩滓凝灰岩はこの火山の南側斜面において，本凝灰角礫岩の上部に2～3mの厚さをもって2～3枚挟まれる。ほとんど指頭大以下の黒灰色の岩滓のみからなっている。火山円礫岩および砂岩は各処に薄層として介在し，一般に凝固不充分なものが多い。大畑川下流の支流である高橋川の中流附近には，凝灰角礫岩と互層して，ほとんど水平に成層した細粒砂岩～泥岩からなる，おそらく陸成層と思われるものが介在する部分がある。"}],"images":[],"tables":[],"anchors":[{"id":"m339_f014","label":"菅ノ尻凝灰角礫岩層","title":"燧岳火山 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