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Crystal Crag\'s namesake-...
Crystal Crag's namesake- fatty piece of quartz atop the crystal section on the North Arete- 31 July, 2004

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chskierGeology

chskier

Voted 10/10

Wow. I'm not an expert on the geology of that area but this image sure makes it look like this stone is calcium carbonate or crystalized calcium, i.e., marble. There are quite a few white marble deposites through out the Sierra Nevada but I can't say that I have ever heard that Crystal Crag is one of them. Is this thing really quartz?
Posted Aug 5, 2004 12:28 am

gordonyeRe: Geology

gordonye

Voted 10/10

Quartzite can look similar to white marble but it's usually harder and more translucent. This rock on Crystal Crag is quartzite, not marble.
Posted Aug 10, 2004 6:40 pm

DigglerRe: Geology

Diggler

Hasn't voted

Sure thing, JD- thought I'd give people a preview of one of the cool things on this route!
Posted Aug 12, 2004 9:32 pm

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Image Data
DigglerSubmitted by Diggler
on Aug 4, 2004 10:08 pm

Image ID: 63335
Hits: 3683 
Lat/Lon: 37.59100°N / 119.013°W
Object Title: Crystal Crag's namesake-...