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Term

Catastrophism
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Uniformitarianism
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Strata Layers

TermDefinition
Catastrophism earth's landscapes has been formed by great catastrophes, sudden and worldwide disasters
Uniformitarianism the forces and processes that we observe today have been at work for a long time
Relative Dating events in their proper sequence of formation
Numerical Dating actual number of years that have passes since an event occurred
Eons Hadean, Archaen, Proterozoic, Panerozoic
Of Geologic Time is Precambrian 88%
Eras Precambrian, Paleozoic, Mesozoi, Cenozoic
How much time is divided eon (most), era, period, epoch (least)
Conformable strata sequence that is undisturbed
Originally Horizontally all bed originally deposited in water formed close to the horizontal
Law of Superstition within a sequence of undisturbed sedimentary or volcanic rocks, layers get younger as you go up
Cross-Cutting Relationship when the fault cuts through other rock or magma intrudes and crystallizes, the full or intrusion is younger than the rocks affected
Unconformity gaps in the geologic record that may indicate episodes of crustal deformation, erosion, and sea level variation
Disconformity force/erosion that took away top layers; large gap in geologic time due to processes of erosion
Angular Unconformity younger strata overlie an erosion surface on tilted or folded rocks
Nonconformity IGNEOUS or metamorphic rock; magma chamber intrudes, then erosion takes away top layer and builds up again
Inclusions pieces of one rock until that are contained within another; The Rocks Mass Adjacent to the One Containing the Inclusions Must Have Been There First in Order to Provide the Rock Fragment
Created by: miabegic2
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