This page lists articles in the field of geology.
“Rock is a naturally occurring substance composed of minerals. The Horta dissolved rock with...Rock
“A crystal is a type of clear mineral. The Traveler's homeworld had beautiful crystal cities...Crystal
“Topsoil is the upper most layer of soil which contains all organic matter essential for the...Topsoil
“Magma is the molten rock and minerals found beneath the surface of a planet which makes up much...Magma
“Mining is the process of extracting materials, usually minerals, from a body such as a planet or...Mining