Member since January 25, 2013


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Fri 25 Jan, 2013 05:15 pm - Charcoal was my first thought; the rocks are of various types, not black. Quartz, Chert, granite and others in sediment layers. It will leave a streak on your hand. It would have to be from... (view)
Fri 25 Jan, 2013 03:06 pm - We are in southern New Mexico in some foothills around the Rio Grande. About 8 feet below the surface of some folded sediment, we found rocks covered in a black soot like material. The layer was... (view)
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