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The Lithosphere (EARTH LAYERS (OCEANIC CRUST (1) sediment (ooze)
2a)…
The Lithosphere
EARTH LAYERS
OCEANIC CRUST
- 1) sediment (ooze)
- 2a) pillowed basalt
- 2b) sheeted dyke dolerite
- 3) gabbro
- layered peridotite
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LOWER CONTINENTAL
composed of schist, gneiss and granite
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gravity anomaly is greater than expected = positive as has a mass of more than average and a relatively high density
gravity anomaly is less than expected = negative as has a mass of less than average and a relatively low density