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15 Cards in this Set
- Front
- Back
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geological time scale |
the tie line of the arth\
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precambrian era |
when the earth was formed |
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mesozoic era |
y the dinosars rule eart, |
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cenozoic eraa |
early seaalife |
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paleozolic era |
the era in whitch humanss toke over |
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uniformitaitarism |
the area were everthig is lickating |
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relitive dating |
a rogfe date |
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low of superposition |
the position in the other the age |
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princible of crosscutting |
the filling of a cracjk in rock by igneous |
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apsolute dating |
the prosece in witch you find the exact dte |
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fossil |
the remanes of ansient animls |
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index focil |
1. a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used especially in determining the age of related formations.
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trace fossil |
7 a indent left by aan anciant animal |
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cast |
1. an impression or mold made from something. |
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mold |
the frm wark in whitch they make a copy of somthing in |
