GEOLOGIC August 30, 2012 Keyed to the relative time scale are examples of index fossils, the forms of life which existed during limited periods of geologic time and thus are used as guides to the age of the rocks in which they are preserved. Share Get link Facebook Twitter Pinterest Email Other Apps Labels geologic Share Get link Facebook Twitter Pinterest Email Other Apps Comments
Keyed to the relative time scale are examples of index fossils, the forms of life which existed during limited periods of geologic time and thus are used as guides to the age of the rocks in which they are preserved.
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