| 法库地区十间房超单元花岗岩岩石成因及侵位机制探讨 |
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| 引用本文： | 郝永利,黄志安,王福君.法库地区十间房超单元花岗岩岩石成因及侵位机制探讨[J].国土资源,1996(4). |
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| 作者姓名： | 郝永利 黄志安 王福君 |
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| 作者单位： | 地质矿产部辽宁地质矿产勘查开发局区域地质调查队 |
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| 摘 要： | 法库地区十间房片麻状二长花岗岩过去被认为是大古代或元古代混合岩和混合花岗岩．１：５万地质调查表明，该花岗岩是与印支－海西期韧性剪切构造同期侵位的花岗岩，同位素年龄测试属中三叠世．该岩体属复式岩体，是上部地壳沉积物质局部熔融的花岗岩浆沿剪切带被动侵位的“Ｓ”型大型岩床．
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| 关 键 词： | 二长花岗岩 混合岩 混合花岗岩 “S”型花岗岩 韧性剪切带 |
ANALYSIS TO GENESIS AND EMPLACEMENT MECHANISM OF SHIJIANFANG ULTRA-UNIT GRANITE IN FAKU AREA |
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| Hao Yongli, Huang Zhian, Wang Fujun.ANALYSIS TO GENESIS AND EMPLACEMENT MECHANISM OF SHIJIANFANG ULTRA-UNIT GRANITE IN FAKU AREA[J].Land & Resources,1996(4). |
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| Authors: | Hao Yongli Huang Zhian Wang Fujun |
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| Abstract: | Before, the Shijianfsng ultra-unit gneiss granite in Faku area was considerded to be Archean or Proterozoic migmatite and migmatitic granite. The 1: 50000 regional geological surveying work indicated that the granite was emplaced contemporaneously with Indo-chinese-Hercynian ductile shear structures,its isotopic age be determined to be Mid-Triassic period. The rock body, J compound body was a larse-scale "S"-type sill, which the partly molten granitic magma from upper crustal was emplaced along shear zones. |
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| Keywords: | Adamellite Migmatite Migmatitic granite "S"-type granite Ductile shear zone |
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