Clastic: Sedimentary rocks that are formed from pre-existing pebbles, stones, and other fragments.
Sediments:Soil, sand, and minerals eroded from land by water
and air. Sediments settle to the bottom of surface water.
Intrusive: Igneous rocks that
Extrusive: Igneous rocks the form on the surface
of the earth
Uplift: When rock formations from
underground are pushed up by plate movement, and are exposed on the surface.
decay and break-up of rocks on the earths surface by natural, chemical, and mechanical processes.
Luster: The appearence or reflection of
light on a mineral or rock.
Cleavage: The pattern of the breaking of a mineral along flat planes or surfaces