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Module 6

Apologia Exploring Creation with General Science Module 6

catastrophism the view that most of earth's geological features are the result of large-scale catastrophes such as floods, volcanic eruptions, etc.
uniformitarianism the view that most of earth's geological features are the result of slow, gradual processes that have been at work for millions or even billions of years.
humus the decayed remains of once-living creatures
minerals inorganic crystalline substances found naturally in the earth
weathering the process by which rocks are broken down by the forces of nature
erosion the process by which sediments and rock fragments are carried away by wind or rain
unconformity a surface of erosion that separates one layer of rock from another
sedimentary rock rock formed from sediments (sand, silt, and other components of soil) and laid down by water or some other agent.
igneous rock rock formed from molten rock, which is usually called magna.
metamorphic rock rock that has undergone extreme change due to lots of heat and pressure.
lamination when a single layer of rock is less than 1 centimeter
nonconformity when stratified layers rest on top of unstratified layers
disconformities when there are parallel, stratified rock layers above and below the unconformity, but there is a clear surface of erosion between them
paraconformities unidentifiable unconformities
intrusion "veins" of igneous rock that shoot right through several layers of sedimentary rock
sills intrusions that run in the same direction as the strata
dikes "veins" that run perpendicular to the dirrection of the strata
Created by: fmigotsk