Mineral Deposits - definition of Mineral Deposits by The .
A "mineral deposit" is a mineral occurrence of sufficient size and grade that it might, under the most favorable of circumstances, be considered to have economic potential. An "ore deposit" is a mineral deposit that has been tested and is known to be of sufficient size, grade, and accessibility to be producible to yield a profit.Ore is a deposit of one or more valuable minerals. A deposit is a buildup of minerals in one place. Deposits develop naturally. Most ore deposits are found underground. The most valuable ore deposits contain useful metals. These include copper, gold, iron, and aluminum. Such metals have many important uses. We all depend on them.