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| So far I've mentioned metamorphic & intrusive igneous rocks found in the tailings, but here are also some great examples of greenstone on the left & very porphyritic volcanic rock at right. Hmmm.... |
| Date: 3/14/09 9:16 AM | Keywords: dredge tailings Merced Falls MJC Geology southern motherlode |
| Total images: 65 | Last update: 3/20/09 5:55 PM | Copyright Ryan J Hollister | Help |