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How do you calculate how much gold is in a rock specimen?
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Rocks Rocks Rocks !!...But What is Rock ?
Started by neilepBoard Geology, Palaeontology & Archaeology |
Replies: 34 Views: 36402 |
20/12/2007 21:16:49 by Karen W. |
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What is the "rock cycle"?
Started by gurpalBoard Geology, Palaeontology & Archaeology |
Replies: 2 Views: 14168 |
30/08/2009 02:35:40 by JimBob |
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need help identifying this "rock"
Started by dragan986Board Geology, Palaeontology & Archaeology |
Replies: 3 Views: 8817 |
15/04/2015 16:24:51 by dragan986 |
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Can someone help identify the orgin of this cross "+" in this strange rock?
Started by MgretchenBoard Geology, Palaeontology & Archaeology |
Replies: 10 Views: 14821 |
08/01/2011 11:25:32 by Foolosophy |
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Can gold be added to glass, like lead glass?
Started by Europan OceanBoard Chemistry |
Replies: 6 Views: 10408 |
27/08/2017 23:14:16 by chris |