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陶湾群分布在洛南大荆、卢氏曲里、栾川陶湾、方城维摩寺至确山蒸馍山一带,东西长480公里,南北宽4～8公里的狭长范围内。1959年秦岭区测队创立“陶湾组”一名的原义是指整个宽坪组之上,由黑云大理岩、绢云绿泥大理岩、大理岩、片岩、钙质砾岩组成的一套地层,时代定为下元古代。栾川群南和陶湾群为邻,西起洛南,东至确山,全长380公里。栾川群系1962年河南地科所创名,它泛指分布于熊耳群与陶湾群之间的一套地层,其下部的竹园沟组与1965年出版的1/20万栾川幅地质图中的白玉沟组及香子坪组相当;上部的南泥湖组与该图的大部分寒武系相当,1965
Tao Wan group distribution in Luonan Jing, Lushi Qu, Luanchuan Tao Bay, Fangcheng Victory Temple Mountain steep mountain indeed, 480 km long from east to west, 4 to 8 km wide north-south width. 1959 Qinling District team established the “Tao Bay Group,” the original meaning refers to the entire Kanting group, the dark marble, sericite marble, marble, schist, calcareous conglomerate A set of strata, the era defined as the ancient metazoan. Luanchuan Qunnan and Tao Wanqun neighbors, west of Luonan, east to indeed Hill, a total length of 380 km. Luanchuan group was founded in 1962 by Henan Earth Sciences, which refers to a set of strata between Xiong’er Group and Taowan Group. The lower part of Zhuyuanyuan Formation and the 1/20 million Luanchuan Geological Map published in 1965 Of the Baiyuigou Formation and the Xiangzi Ping Formation; the upper Nannihu Formation is similar to most Cambrian formations in the figure, and 1965