6th grade Minerals and Rocks
Terms in this set (20)
Naturally formed inorganic solid with a definite chemical structure
Returning land to its original condition after mining
Molten material near or at the surface of the earth.
Rocks that form from cooled, solidified molten material.
Rock formation that is a result of cooled and solidified magma beneath the earth's surface
Concentration of economically valuable minerals that are mined for profit
This happens as new layers of sediment are deposited over old layers.
Movement of sediment from one location to another
The process by which sediments are glued together.
Rock formation resulting from volcanic activity
Remains of rocks after weathering occurs
Rocks formed from the processes of WEDCC.
Rocks formed from the remains of once-living plants and animals.
Rocks formed from heat, pressure, and or chemical changes.
The process by which sediments are laid down.
The series of processes in which rocks change from one type to another, are destroyed, and form again.
The breakdown of rock materials by physical or chemical (water, wind, ice, and heat) processes.
Molten material inside the earth
Texture of metamorphic rock in which the mineral grains are in planes or bands
The extraction of minerals from the earth.