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CHOICE AND USE OF DRILL BIT FOR SCIENTIFIC DRILLING OF HOLE LZSD-1 IN THE LU-ZONG AREA

YU Shan-ping;No.313 Unit of Bureau of Geology and Mineral Exploration of Anhui Province;  
Commissioned by Institute of Geology of Chinese Academy of Geosciences, No.313 Unit of Bureau of Geology and Mineral Exploration of Anhui Province undertook 3000 m scientific drilling for Pre-study of Scientific Drilling Site Selection in the Lu-Zong Basin of East China, which is one of 6 of its kind in continent,aiming to disclose and test spatial distribution of rock masses, basements and overburdens concerning ore formations, establish a crustal structure model and a scale for anomaly interpretation, providing a basis for site selection of continental 10000 m drilling. This paper introduced the use of drilling bit in construction only for reference by our peers.
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