What does a glassy texture tell us about the history of an ...

[rmenurse]

What does a glassy texture tell us about the history of an igneous rock? What will be an ideal response?

Question 2

What does a phaneritic texture tell us about the history of an igneous rock? What will be an ideal response?

[popopong]

Answer to Question 1

The magma cooled very rapidly.

Answer to Question 2

The magma cooled slowly.

[rmenurse]

Great answer, keep it coming

[parshano]

Thanks for the timely response, appreciate it