Comparative table “Structure and thickness of the earth’s crust” Oceanic and Continental

The structure and thickness of the earth’s crust Oceanic Mainland
Thickness 3-7 km From 30-40 to 70 km near Tibet
Layers of rocks 1. Sedimentary.

2. Basalt

1. Sedimentary.

2. Granite.

3. Basalt

Location Under the oceans Under continents and part of the oceans
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