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I found a large quarts rock with melted metallic/tarry substance in/on it could you explain what this is?

+1 vote
asked May 5, 2015 by emmyschey (130 points)

1 Answer

0 votes
Can you please provide some pictures as well as some additional background information on the find? Thanks.
answered May 6, 2015 by hershel (52,800 points)