我国东南沿海诸省,火成岩分布甚广,其中包括花岗岩及白垩纪之流纹岩凝灰岩系後者因受侵入岩之热液影响,一部换质成礬石及笔腊石此二矿床在学术上及经济价值上均同等重要,是以合并於一文讨论之。 (一)礬石矿床——矿床位於浙东平阳,可分两区,一位於县城南约六十公里之 In the southeastern coastal provinces of China, the igneous rocks are widely distributed, including the granites and Cretaceous rhyolite tuffaceous rocks. The latter is experiencing the hydrothermal effect of intruded rocks and is converted into anorthite and pyrophyllite deposits. These two deposits are academically And economic value are equally important, is based on a merger in a discussion. (I) Alum Stone Deposit - Located in Pingyang, eastern Zhejiang, the deposit can be divided into two areas, one about 60 km south of the county