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liu wan hua gang shan chang yan ti feng hua yan de gong cheng di zhi te zheng
Author(s): 
Pages: 8-9+2
Year: Issue:  6
Journal: Hydrogeology and Engineering Geology

Keyword:  花岗闪长岩体强风化岩黑云母地质构造工程地质特征强风化带新鲜岩石复杂构造环带结构东秦岭;
Abstract: <正> 刘湾花岗闪长岩体位于河南省信阳县出山店刘湾。在地质构造上位于东秦岭东西复杂构造带与准阳山字型西翼内侧复合部位,区域构造线方向为北西300°左右。刘湾岩体为海西期中—粗粒似斑状黑云母花岗闪长岩,为轴向北西290°的岩床,其同位素年令为227.5—330.8×10~6年。
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