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| 2021, Vol. 40(2): 298-306 DOI: | ||
| Geochronology of amphibolite from Longshan Group
in Tianshui area and its geological significance |
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| JIA Ming-hui，CAO Hua-hua，LI San-zhong，WANG Xue-bin | ||
| 1. Frontiers Science Center for Deep Ocean Multispheres and Earth System and Key Lab of Submarine Geosciences and Prospecting
Techniques，MOE and College of Marine Geosciences，Ocean University of China，Qingdao 266100，Shandong，China;
2. Laboratory for Marine Mineral Resources，Qingdao National Laboratory for Marine Science and Technology，Qingdao 266100，
Shandong，China;
3. Rizhao Emergency Management Bureau，Rizhao 276800，Shandong，China |
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| Received null Revised null | ||
| Supporting info | ||
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