Maritime Deposits: Gypsum Can be located in marine deposits, typically connected with ancient seas that have since evaporated. These deposits can be found in locations using a record of maritime sedimentation, such as portions of Europe, the Middle East, and North America. Soil Amendment: Gypsum, also known as land plaster, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050