enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Flora Haines Loughead - Wikipedia

    en.wikipedia.org/wiki/Flora_Haines_Loughead

    Nevada's Virgin Valley is a source for precious black opal gemstones and replacing woods. Her next career started in 1915 when she was sent to investigate the discovery of opals in Virgin Valley, Nevada, 400 miles (640 km) from San Francisco.

  3. Sheldon National Wildlife Refuge - Wikipedia

    en.wikipedia.org/wiki/Sheldon_National_Wildlife...

    The refuge contains the very active and popular Virgin Valley Opal Mining District whose mineral rights were grandfathered-in with the establishment of the sanctuary. [3] Rockhounds search for precious opal, agates, petrified wood, carnelian, obsidian, rhyolite, jasper, hyalite opal, and psilomelane, among other semiprecious gemstones.

  4. Opal - Wikipedia

    en.wikipedia.org/wiki/Opal

    The largest producing mines of Virgin Valley have been the famous Rainbow Ridge, [41] Royal Peacock, [42] Bonanza, [43] Opal Queen, [44] and WRT Stonetree/Black Beauty [45] mines. The largest unpolished black opal in the Smithsonian Institution, known as the "Roebling opal", [46] came out of the tunneled portion of the Rainbow Ridge Mine in ...

  5. World's most expensive opal literally glows in the dark - AOL

    www.aol.com/news/2015-08-13-world-s-most...

    Meet the "Virgin Rainbow" – perhaps the finest and certainly the most expensive opal on record. It literally glows in the dark. In fact, as it gets darker around the opal, the opal appears ...

  6. Feds approve Rhyolite Ridge lithium mine in Nevada

    www.aol.com/feds-approve-rhyolite-ridge-lithium...

    Federal land managers estimate that mining could reduce groundwater in the valley by up to 300 feet around the quarry, and cause the surrounding ground to sink by up to 10 inches, according to the ...

  7. Virgin Valley - Wikipedia

    en.wikipedia.org/wiki/Virgin_Valley

    The Virgin River drains southwest Utah and southeast Nevada; parts of Arizona, especially the Arizona Strip region drain southwards into the Virgin River and Valley. The Virgin Valley begins as the Virgin River exits the Virgin River Gorge between the Beaver Dam Mountains and Wilderness north, and the northeast of the Virgin Mountains on the ...

  8. Biden administration approves ioneer's Nevada lithium mine - AOL

    www.aol.com/news/biden-administration-approves...

    (Reuters) -The U.S. Interior Department on Thursday gave final approval to ioneer's Rhyolite Ridge lithium mine in Nevada, the first domestic source of the battery metal to be permitted by ...

  9. Paleontology in Nevada - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_Nevada

    In 1908 more discoveries were made in the Virgin Valley area in beds being exploited for opal. There naturally occurring casts of twigs, limbs, and cracks of petrified wood were found. [1] In 1912 a slab of rock preserving fish, a primitive horse, mollusks, and plants, near Esmeralda Field. [12]