Rock Layers (Geologic Time) Vocab Flashcard

Front

Arrangement of events as a measure of geologic time.

Back

Geologic Time Scale

Front

Rock formed from compressed sediment.

Back

Sedimentary Rock

Front

Sediment moved by wind/water.

Back

Erosion

Front

Sediment stops moving and collects in a new area.

Back

Deposited

Front

Rocks broken into smaller pieces.

Back

Weathering

Front

Molten rock from inside Earth moves through cracks and breaks the surface.

Back

Intrusion

Front

Age based on placement.

Back

Relative Dating

Front

Exact age of something.

Back

Absolute Dating

Front

Evidence of past life preserved in rocks.

Back

Fossil

Front

Movement of Earth's plates causing rock layer shifts.

Back

Plate Tectonics