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re: Now Closed: I'll answer any question you have about ROCKS!
Posted on 7/10/14 at 5:17 pm to Pectus
Posted on 7/10/14 at 5:17 pm to Pectus
quote:
A lot of railroad rock is slag
Nah, this was like some fresh crush n run. Pound, pound and a half, sharp edges, hard as hell.
Another serious question. A friend lives near a gravel mine in central Georgia. He claims that the gravel they mine here is an extension of Stone Mountain...a hundred miles away. He said that drilling a well if futile.
1
Posted on 7/10/14 at 8:06 pm to nuwaydawg
quote:
Another serious question. A friend lives near a gravel mine in central Georgia. He claims that the gravel they mine here is an extension of Stone Mountain...a hundred miles away. He said that drilling a well if futile.
Sedimentary rocks exist as beds of rock that can extend form thousands of kilometers in all directions. These beds get tilted when a mountain is formed. You can trace beds that are relatively flat in the plains to almost tilted 90 degrees vertical from the pushing up during mountain building. It makes sense that a bed can be part of a mountain and part of an area really far away with not the same tilt or exposure in height involved.
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