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Other than that they are both types of rock, very little. They have very different methods of formation and mineral composition. Basalt is produced from mafic lava flows, and shale is a product of sedimentary rock processes.

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11y ago
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14y ago

Both are extrusive igneous rock, formed from molten rock at or near the surface.

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11y ago

they are both volcanic...your welcome

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12y ago

they are both igniouss rock

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Q: How are basalt and pumice the same?
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