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10 Cards in this Set

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  • Back
mineral
a naturally occurring substance neither plant nor animal
igneous
"Fire-made" rock formed from melted rock material
sedimentary rock
rock formed from bits or layers of rocks cemented together
relative age
the age of something compared to the age of another thing
metamorphic rock
rock whose form has been changed by heat and/or pressure
rock cycle
a never ending process by which rocks are changed from one type to another
imprint
a fossil created by a print or an impression
mold
a type of fossil that is hollow form with a particular shape
cast
a fossil formed or shaped with a mold
amber
hardened tress sap, yellow or brown in color, often a source of insect fossels