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Gelogical History
Relative Dating
| term and definition | question and answer |
|---|---|
| Law of superposition | Oldest rock layer found on the bottom & each overlying layer get progressively younger |
| uniformitarisim | The forces working on Earth today are the same as the past |
| original Hosizontality | sedimentary rock are desposited in horizontal layers |
| realative dating | determination of the age of a rock or event realtive to other rocks or events |
| Ectrusion | molten rocks flows on to the surface |
| intrusion | when molten rock goes in between pre - existing rock layers |
| contanct metamorphsim | high temperture cause changes of pre-exsisting rock layers along intrusion |
| fault | a crack n the bedrock whre movement has occurred |
| folds |