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If you were traveling and found a volcano, how would you know if the volcano makes felsite or basalt lava?

User Junejo
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Answer:

Felsic magmas usually have higher gas contents than mafic magmas. When the erruption ends, liquid lava often drains leaving an open cave. When thick basaltic or andesitic lavas cool they will contract.

Step-by-step explanation:

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User Ntm
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