Term
Naturally preserved evidence of animal activity |
|
Definition
|
|
Term
| Examples include those found in amber, ice, tar/asphalt, and rocks or those made by petrifcation |
|
Definition
|
|
Term
| Fossil found only in a short geologic span of time. |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Remains of evidence of organisms preserved by geologic processes |
|
Definition
|
|
Term
| Is shaped inward or concave to a rock |
|
Definition
|
|
Term
| Examples include tracks, burrows, or coprolites. |
|
Definition
|
|
Term
| A cavity formed in a rock where a plant or animal was buried, usually by sediment. |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Fossilized marks showing movement of animals. |
|
Definition
|
|
Term
| Once an organism decayed, this would fill with sediment, eventually making a cast. |
|
Definition
|
|
Term
| Type of fossil used tro establish the age of rocks. |
|
Definition
|
|
Term
| Created when sediments or mineral sfill ahole left behind from a decaying organism. |
|
Definition
|
|
Term
| Naturally preserved evidence o flife. |
|
Definition
|
|
Term
| a rare fossil useful in matching age of rocks. |
|
Definition
|
|
Term
| this fossili useful in matching age of rocks. |
|
Definition
|
|
Term
|
Definition
|
|
Term
| this fossil rock really looks like the outside of whatever was preserved |
|
Definition
|
|
Term
| determining the age of a rock in years |
|
Definition
|
|
Term
| typically involved radiometric dating, which uses knowledge of half-lives of elements in a rock sample. |
|
Definition
|
|
Term
| the idea that younger rock layers are above older rock layres, assuming they haven't been distrubed. |
|
Definition
|
|
Term
| since a geologic column is like a side view of layers of rocks, it is used for this scientific process. |
|
Definition
|
|
Term
| Law describing that older rocks are beneath the younger rocks in an undisturbed layer |
|
Definition
|
|
Term
| observing disturbed rock alyers, faults, magma intrusions, folding tiliting of rocks can all be usecd for this scientific process. |
|
Definition
|
|
Term
| the prinicple of superposition should be helpful with this scientific process. |
|
Definition
|
|
Term
| figuring out if a rock is older aor younder than other orcks or events taken place in a rock layer. |
|
Definition
|
|
