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Chapter 10 vocb

TermDefinition
Index fossil Represent spices that existed on Earth for a short length of time,were abundant,and inhabited many location
Relative The age of rocks and geologic features compared with other rocks and features nearby
correlation Matching rocks and fossils from separate location
trace fossil The preserved evidence of the activity of an organism
catastrophism The idea that conditions and organisms on Earth change in quick,violent event
fossil The preserved remains or avidence of ancient living things
superposition The principal that in undisturbed rock layers,the oldest rocks are on the bottom
cast fossil copy of an organism made when a mold of the organism is filled with sediment or mineral deposits
transmutation The process by which an unstable element naturally changes into another element that is stable
unconformity A surface where rock has eroded away,producing a break,or gap.in the rock record
Isotole Atoms of the same rock element that have different
uniformitarianism States that geologic processes that occur today are similar to those that have occurred in the past
carbon film The fossilized carbon out line of an organism or part of an organism
inclusion A piece of an older rock that become a part of a new rock
Half life The time required for half of the parent isotopes to decay into daughter isotopes
absolute age The numerical age.in years,of a rock or object
paleontologist Scientists who study fossils
mold The impression in a rock left by an ancient organism
Created by: Chealsey
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