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1987年4月9日～11日湖北省地矿局在孝感市花园镇召开了区调成果验收会议,对鄂东北地质大队一分队提交的大洪山地区1:5万客店坡东半幅、古城畈幅、三阳店幅区域地质调查报告,经验收委员会分四个专业组认真全面地评审后通过了最终验收。上述图幅为测区地质矿产研究提供了新的基础地质资料,取得的主要地质矿产成果如下: 1.在1:20万区调工作的基础上,对测区地层作了进一步划分,通过对叠层石和微古植物的系统研究,将扬子区打鼓石群进一步划分为下亚群和上亚群两个亚群,其时代归属蓟县纪。通过大量剖面观察
April 9, 1987 to April 11, Hubei Provincial Bureau of Geology and Mineral Resources in Xiaogan City, Garden City, held a regional acceptance of the results of the acceptance meeting of the Northeast Geological Battalion submitted a Dahongshan 1:畈 amplitude, Sanyang shop regional geological survey report, the experience of the Committee received four professional group after a serious and comprehensive assessment passed the final acceptance. The above maps provide new basic geological data for the geology and mineral research in the test area. The major geological and mineral achievements obtained are as follows: 1. On the basis of the 1: 200,000 regional adjustment work, the strata of the survey area are further divided, Monolithic and microclimatic systems, the drumming group in the Yangtze area is further divided into two subgroups: the lower subgroup and the upper subgroup, which belongs to Jixianji. Through a lot of cross-section observation