👉 gally is a term used in the context of geology and astrophysics. It refers to the process by which a rock or mineral is formed from a mixture of minerals, typically through a chemical reaction that occurs within the earth's crust. This process can be thought of as the creation of new rocks from existing materials, with each layer of a gally deposit having its own unique composition and structure. Gally deposits are commonly found in the Earth's crust, including igneous and metamorphic
gally