Here is a good question for all.
What are the five most important minerals to know and why?
One answer is here>
All of My Faults Are Stress-Related
What do you think?
Quartz
Calcite
Clay minerals
Feldspar
Olivine
Ice
Pick your favorite five.
Harry Allen
Wednesday, September 10, 2008
Subscribe to:
Post Comments (Atom)
1 comment:
I vote for quartz, olivine, feldspar, pyroxene, clays. Of course, once you get a little way into the crust, the clays go away, followed by quartz and feldspar. Olivine and pyroxenes increase, and metal oxides and sulfides increase.
Post a Comment