Chapter 8: Metamorphism and Metamorphic Rocks: New Rocks from Old.
Weathering Processes Formation of Soils By Diana L. Duckworth Rustburg High School Campbell County, VA.
Primary Structures Geologic Structure A definable shape or fabric in a rock Primary Structure: A structure formed during or shortly after deposition (sedimentary)
Rocks, Resources and Scenery Types of rock. Geological Time Geological time is on a different scale from human time. Chalk was formed during the Cretaceous.
Distribution of Microcracks in Rocks Uniform As in igneous rocks where microcrack density is not related to local structures but rather to a pervasive.
CHATPER 4 LESSON 2 THE RELATIVE AGE OF ROCKS breathtaking-rock-formation/weird- rocks-formation-01
Http:// Groundwater All water found underground, frequently in: Joints and cracks in rocks Open space between sediment grains.
Geology of Plutonic Rocks. Igneous plutonic rocks Formed – –900 degree C –50 km depth Uplift to earth surface Enormous decrease in confining pressure.
Factors Affecting Density. Temperature As the temperature of most substances increases –Atoms move faster and spread apart. –Expansion increases the volume.
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Weathering The breakdown of the materials of Earth’s crust into smaller pieces. It can happen through physical or chemical means and through natural and.
Melting Weathering Deposition & Lithification Burial, Heat, Pressure = Metamorphism Crystallization.