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| Keywords | |
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granite��formation environment��Hercynian��Langshan of Inner Mongolia |
| Authors | |
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YU Yan-Qiu |
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GUO Shou-Yu |
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WANG Li-Feng |
| PubMed | |
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Article by Yu, Y. Q. |
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Article by Guo, S. Y. |
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Article by Wang, L. F. |
Characteristics and formation environment of Hercynian granites in Haorigeshan of Langshan��Inner Mongolia
YU Yan-Qiu, GUO Shou-Yu, WANG Li-Feng
Faculty of Resources��Shijiazhuang University of Economics��Shijiazhuang 050031��China
The Haofigeshan granite of Langshan in Inner Mongolia is located in the west part of northern North China platform��where the rocks are mainly granodiorites and biotite granitites in type��Through the analysis of petrochemistry and geochemistry��the rocks are super calcium-aluminate granites��Granodiorites are low potassium granites��and biotite granites are high potassium granites��Zircon U-Pb isotope dating is 243±3—272±4 Ma with the characteristics of I and S-type granites��whose tectonic environment is volcanic arc granites��The major metallogenic belts are Hercynian��and the granitites of Hercynian are important for migration of metal elements and the for— mation of deposit in Langshan of Inner Mongolia.