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Yes, we need a specific location.Now where did I put that pan?
Pappy! Where have you been hiding?
The nearby Haile and Ridgeway gold mines were stratabound deposits hosted by volcanically associated rocks from the 500+ million year old Carolina Slate Belt island arc system. The Slate Belt was metamorphosed when North America collided with Africa. There are much younger granites, and even younger yet diabase dikes (possibly the basalt you are referring to) that intrude the metamorphic package.So to your question- did the basalts cause the quartz and deposit gold? NoYour other question "So, does that sound like a good area for gold?" is much more interesting. The Carolina Slate belt, especially volcanic slates and phyllites, near Charlotte, is highly prospective for gold. By all means, get down to the creek and pan for gold. How magnetic are these rocks?? does a magnet stick to them? Do they move a magnet?Two magnetic minerals come to mind- magnetite and pyrrhotite. Both can be black and both weather to a red color. Pyrrhotite is more favorable for gold. The Haile and Ridgeway ore zones were high in pyrite. Or, collect some of the red rocks and send them in for a gold assay.You just never know. After Kinross thought they were done mining Haile, and had even reclaimed all the workings, another company came in, did some exploration, drilled a bunch of holes and discovered another 2 million ounces of gold.If you can be more specific about the location or provide more detailed information and/or pictures, I can probably be of more assistance.