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一、1/5万区调的新转折新起点作为国标的《区域地质调查总则》(1:50000)(以下简称总则)已经颁发实施.它标志着1/5万区调正处于新的转折、新的起点.《总则》规定:1/5万区调填图要分别采用“多重地层划分,岩石地层方法填图”、“火山地层-岩相(岩性)填图”、“岩石谱系单位方法填图”及“构造-地(岩)层或构造-岩石法填图”.这些规定从根本上改变
A new starting point for a new 1/5 million district transition as a national standard “Regional General Survey of Geological Surveys” (1:50 000) (hereinafter referred to as the General Provisions) has been issued and implemented. It marks a new turning point in the 1/5 000 district adjustment. , a new starting point. The “General Provisions” stipulates that: 1/5-thousand-zone re-construction maps should adopt “multiple stratigraphic division, mapping of rock stratum methods,” “volcanic stratigraphic-lithological (lithological) mapping,” and “rock speciation. Unit method mapping and “construction-ground (rock) layer or structure-rock mapping”. These regulations fundamentally change