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If lava cools so quickly that crystals cannot form, the texture of the rock will be _____.

a. glassy
b. aphanitic
c. phaneritic
d. porphyritic

User Kastulo
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2 Answers

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Hi There! :)

If lava cools so quickly that crystals cannot form, the texture of the rock will be _____.a. glassy
b. aphanitic
c. phaneritic
d. porphyritic

B. aphanitic
User WDUK
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3 votes
i think its a because that is how obsidian is made and it is glassy
User Successhawk
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