1.It has measured large numbers of large-middle scale deposits such as Fanshan alunite deposit of Cangnan county and Bamianshan fluorite deposit of Changshan county in Zhejiang province.
2.For thirty years, the institute has been engaged in geological prospecting for Alunite, illite, pyrite, bentonite, fluorite, phosphate rock,sericite etc, has completed and submitted more than 70 geological reports.
3.Theproduction an d requirement status of potassium sulfat e at home and abroad was introducedin brief.The advantage and disadvantage of mirabilite method，alunite co mprehensiveutilization method，Mannheim method and associated replacement method，which are beingused i n the production of potassium aulfate in China，are introduced and analyzedemphatically.The views on t he development of potassium sulfate industry in China areput foward by the author.
