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none\"><li><p>斑晶：斜長石・普通輝石・紫蘇輝石・鉄鉱・かんらん石</p><p>石基：安山岩質組織．斜長石・普通輝石・紫蘇輝石・鉄鉱・ガラス・鱗珪石・燐灰石</p></li></ul></div></div></div>","text":"高石川溶岩\n図幅地域の南東端に，高石川と牛首川にはさまれて狭長な尾根をつくって分布する溶岩，下半は厚さ6m，50cm大の角礫からなるスコリヤ質の崖錐性堆積物からなり，溶岩はその上位に厚さ8m（＋）で大まかな節理を示してのっている．肉眼的に緻密・黒色で斜長石斑晶がめだつ．\n鏡下の特徴\n斑晶：斜長石・普通輝石・紫蘇輝石・鉄鉱・かんらん石石基：安山岩質組織．斜長石・普通輝石・紫蘇輝石・鉄鉱・ガラス・鱗珪石・燐灰石\n斑晶：斜長石・普通輝石・紫蘇輝石・鉄鉱・かんらん石\n石基：安山岩質組織．斜長石・普通輝石・紫蘇輝石・鉄鉱・ガラス・鱗珪石・燐灰石","blocks":[{"type":"heading","depth":1,"text":"高石川溶岩","id":""},{"type":"paragraph","text":"図幅地域の南東端に，高石川と牛首川にはさまれて狭長な尾根をつくって分布する溶岩，下半は厚さ6m，50cm大の角礫からなるスコリヤ質の崖錐性堆積物からなり，溶岩はその上位に厚さ8m（＋）で大まかな節理を示してのっている．肉眼的に緻密・黒色で斜長石斑晶がめだつ．"},{"type":"paragraph","text":"鏡下の特徴"},{"type":"list-item","text":"斑晶：斜長石・普通輝石・紫蘇輝石・鉄鉱・かんらん石石基：安山岩質組織．斜長石・普通輝石・紫蘇輝石・鉄鉱・ガラス・鱗珪石・燐灰石"},{"type":"block-title","text":"かんらん石紫蘇輝石普通輝石安山岩"},{"type":"paragraph","text":"斑晶：斜長石・普通輝石・紫蘇輝石・鉄鉱・かんらん石"},{"type":"paragraph","text":"石基：安山岩質組織．斜長石・普通輝石・紫蘇輝石・鉄鉱・ガラス・鱗珪石・燐灰石"}],"images":[],"tables":[],"anchors":[{"id":"m459_f068","label":"高石川溶岩","title":"八ガ岳火山岩類 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