For more detailed specifics of distinct rocks and minerals, and where by they can be found in The us, click on the button under. Gypsum takes place in considerable beds linked to other evaporite minerals (e.g., anhydrite and halite), specially in Permian and Triassic sedimentary formations; it's deposited from ocean https://www.propanraya.com/id/produk/eco-gypsum-ee-4050