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Geology Vocabulary

TermDefinition
fault a fracture or zone of fractures between two rocks
fold a geologic structure that is formed by layers or beds of rock being bent or folded
tectonic plates gigantic pieces of the Earth's crust and uppermost mantle
geologic time scale system of chronological measurements that relates to stratigraphy to time
geology the study of Earth, its history and the processes that act on i
fossil the geologically altered remains of a once-living organism
erosion the process by which gravity, water, wind and ice remove and transport sediment from one place to another
deposition the process by which gravity, water, wind and ice deposit weathered and relocated sediment
continental drift the theory that continents were once connected but have drifted apart
relative dating Using the locations of the layers relative to one another to date rocks, strata and fossils
rock strata beds or layers of sedimentary rock having approximately the same composition throughout
sediment Earth material that is broken down by processes of weathering and can be eroded
stratigraphy the study of rock layers
superposition As layers accumulate over time, the rock at the bottom is older than the rock toward to the top
weathering exposing rock to air, water and ice to break it down chemically and mechanically
Created by: logank76
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