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1984年,世界珍珠岩和蛭石原矿产量估计约为171.5万吨和49.5万吨。珍珠岩几乎占领了美国和欧洲轻骨料建筑的主要市场。虽然南美洲、非洲和亚洲都在开采蛭石,但世界蛭石生产主要分布在南非和美国。一、各国生产情况美国的珍珠岩产量居世界首位,占世界总产量的35%。美国国内珍珠岩主要产自新墨西哥州、加利福尼亚州、内华达州等地。约有65家膨胀珍珠岩生产厂,较大的公司有:Manville
In 1984, the production of perlite and meteorite in the world was estimated to be approximately 1.715 million tons and 495,000 tons. Perlite has almost occupied the major markets for light-weight aggregate construction in the United States and Europe. Although meteorites are mined in South America, Africa and Asia, the world’s meteorites are mainly distributed in South Africa and the United States. First, the production of countries in the United States Perlite production ranks first in the world, accounting for 35% of the world’s total production. Domestic perlite is produced mainly in New Mexico, California, and Nevada. There are about 65 expanded perlite production plants, the larger companies are: Manville