a: metamorphic rocks ~
b: minor keys

What:

"But she also identified epidote. This news perked me up a little. Epidote is a pale green mineral found only in metamorphic rocks. If you compare rocks to music, sedimentary rocks are like major keys, metamorphic rocks are like minor keys. They have more mystery."


A nice discussion of sand in the linked blog...


Useful?
Writer: Lisa Peters
LCC:
Where:
Date: Dec 9 2014 2:54 PM


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