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Aug 14, 2019· Usually, this happens offshore from river deltas, but desert dunes and beaches can leave sandstone beds in the geologic record too. The famous red rocks of the Grand Canyon, for instance, formed in a desert setting. Fossils can be found in sandstone, although the energetic environments where sand beds form don't always favor preservation.
sandstone and lower shale (Holmes, C.N., Page, B.N., 1956). East of Floy it also grades into the Mancos Shale. Only the upper-most sandstone member is present near the study area where it is the basal cliff forming unit overlying the Mancos. The sandstone members of this formation were formed as fluvial, costal plain deposits extending
Mar 27, 2017· Most of the gold in Montana is found in the more mountainous western section of the state. There has been mining in Montana as early as the 1850s, with the peak of mining taking place during the 1860s. In the mid-20th century bucket dredges worked many creek and rivers in Montana, resulting in millions of […]
Some mineral ores are found in sandstone. Uranium can concentrate in uranium minerals in sandstone deposits and many uranium ore bodies are the result. Heavy minerals such as rutile, gold, diamonds and others can be found in sandstones from prehistoric placer deposits that are now worked for their economic value.
Sep 26, 2016· Also found in flexible sandstone in America, India. In N.W. of West Australia in a gold-bearing conglomerate. In Brazil the most precious of all gems is obtained from a conglomerate of white quartz, pebbles, and light coloured sand, sometimes with yellow and blue quartz and iron sand.
Apr 24, 2017· Quartz. •••. Nastya22/iStock/Getty Images. Gold is most often found in quartz rock. When quartz is found in gold bearings areas, it is possible that gold will be found as well. Quartz may be found as small stones in river beds or in large seams in hillsides. The white color of quartz makes it easy to spot in many environments.
Feb 22, 2011· can you find gold in sandstone. Silicon is generally found in quartz (silicon dioxide) and rarely as a singular element (pure silicon crystals can rarely be found with gold/volcanic exhalations).
Jun 09, 2003· Yes, I have heard of gold being found in sandstone, and in limestone--not very common compared to other rock, but sandstone is a sedimentary rock. Now gold placers are found in sediments--sorted sediments of various sizes, so I guess it's possible that long, long ago the gold was lain down in a sediment and that sediment today is fossilized as
Sep 02, 2011· It is fairly common that new deposits can be found along this linear zone of deposition by looking for extensions along the line of deposition. Similar Geologic Areas Nearby: If a certain rock type or geologic environment has been productive for gold in one area, and the same rock type or environment occurs a few miles away in the same mountain