Because of the special geomorphology in areas of shallow overburden, it is difficult to delimit the boundary between mapping units in regional geological mapping.
由于浅覆盖区的特殊地貌，给区域地质填图带来一定的困难。
Alteration fluid mapping is an investigation of the regional fluid geology, and also is an integrated basic geological research that has strategic importance.
蚀变流体填图是一项区域流体地质调查研究工作，也是一项具有战略意义的、综合性的基础地质研究工作。
Digital geological mapping obtains regional geological survey data in the field and re-shows its production in digital regularity.
数字地质填图是指区域地质调查数据的野外获取及其成果的数字化统一性再现。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法，详细划分了双王地区的泥盆纪地层，论述了岩相古地理特征。
Chaobei area worked as the field practice base for regional geological survey and geological mapping since 1950s.
上世纪50年代该区就开始作为教学实习基地，进行区域调查和地质填图野外教学。
Relationship between sequence stratigraphy and lithostratigraphy and mapping methodology of sequence stratigraphy in 1 :50000 regional geological surveying in sedimentary areas are discussed.
建立了测区岩石地层单位，并论述了层序地层与岩石地层的相关性，提出了层序地层在沉积岩区1：5万区调地质图面的表达方式。
Relationship between sequence stratigraphy and lithostratigraphy and mapping methodology of sequence stratigraphy in 1 :50000 regional geological surveying in sedimentary areas are discussed.
建立了测区岩石地层单位，并论述了层序地层与岩石地层的相关性，提出了层序地层在沉积岩区1：5万区调地质图面的表达方式。
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