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Help! - Mine Rock Colors?
I'm curious if anyone with Mining expertise can help a fellow,
This was taken by my friend at the El Dorado Mine, up in Willard Canyon (ogden, utah). But what do the colors signify?
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The yellow/orange mud that stains skin for days. The blue coating with bright blue/white spots? A dark purple? the green tint in some spots of the pic (copper, perhaps?)
I assume yellow is sulfur?
black-ish is iron?
red-ish is gold?
Curious minds would like to know!
Thanks!