Map Of gypsum deposits in northern Ohio, black squares suggest The situation of deposits, from "Geography of Ohio", 1923 Gypsum is Utilized in lots of applications: Gypsum occurs in considerable beds connected with other evaporite minerals (e.g., anhydrite and halite), particularly in Permian and Triassic sedimentary formations; it really is https://www.propanraya.com/id/produk/eco-gypsum-ee-4050