《Table 1 Metadata Table of Database (Dataset)》

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《河北省古冶幅、唐山幅、范各庄煤矿幅1:50000地质图空间数据库》

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This regional geological survey applied a combination of various working methods including field route geological survey，field measured profile，remote sensing interpretation，geophysical exploration，drilling and sample testing for effective data acquisition.The 1∶50 000 regional geological survey was carried out in line with the requirements of the‘1∶50 000 Regional Survey Project Task Book of Guye Map-sheet，Tangshan Map-sheet，and Fangezhuangmeikuang Map-sheet’，and in conformity with the‘General Provisions for Regional Geological Survey （1∶50 000）’（DZ/T 0002-1991），and‘Guidelines for 1∶50 000Regional Geological Survey （Trial）’.All kinds of basic data acquisition were completed according to the project workload design （Table 2）.