👉 A loam is a type of soil that is composed primarily of calcite (CaCO3) and clay, and it is typically found in areas with low rainfall. Loams are often used as an alternative to sand or gravel for its ability to hold water and retain moisture better than other types of soil. Loams can be formed by the weathering of limestone or dolomite, which are natural rocks that have been exposed to water for millions of years. The process of forming loams involves
