Two Commercial Diamond Mines. Two locations in the United States have been worked as commercial diamond mines. The first was a mine near Murfreesboro, Arkansas.It was worked as a commercial diamond mine by a succession of operators in the early 1900s but closed because the deposit was subeconomic. Today it is known as the Crater of Diamonds and is operated by the State of Arkansas …
Weakly to strongly metamorphosed volcanic rocks. Protoliths include basalt, andesite, dacite, and rhyolite deposited as lava or tuff, related sedimentary rock, and shallow intrusive rock. These rocks, widely exposed in several belts in central Arizona, include metavolcanic rocks in the Yavapai and Tonto Basin supergroups. (1650 to 1800 Ma)
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Def. industrial minerals – naturally occurring, inorganic, non-metallic-appearing rocks and minerals that enter into commerce, e.g., sand, crushed stone, zeolites.. Industrial minerals and rocks are the staff of life, the bread and butter of the mineral world. - H. Wesley Peirce (1986) Gold glitters! But in Arizona, it’s the industrial minerals that shine – to the tune of $450 million in ...
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Mar 20, 2011 Quick Description: A rock-hounding site known for its Apache Tears southwest of Superior, Arizona. This rock-hounding site is at a now defunct perlite operation. A large chamber has been excavated into the hillside. This part of the digging is off-limits; access is restricted by a chain link fence. However, there is sufficient area of the rock ...
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Arizona is world-famous for its turquoise, peridot, and petrified wood. The state is also famous for copper, and a variety of copper minerals are mined as gemstones. These include azurite, chrysocolla, and malachite . Other Arizona gem materials include agate, amethyst, garnet, jade, jasper, obsidian, onyx, and opal. ADVERTISEMENT.
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The highest grade samples were collected from the sheared basalt. We recently took one sample at the mouth of the Tough Nut Mine shaft and got 3.9 ppm silver, 1.13% lead, 1.4% zinc. There was anomalous gold (.11 ppm) and nearby claims have found good gold. Location and Access: From Quartzsite, Arizona take AZ-95 N for 5.7 miles.
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Arizona State Land Department offers printed, paper maps which show the location of Arizona State Trust land as well as Federal Lands located in Arizona. Maps are produced from ASLD's GIS Database and are printed on a commercial grade printer. Single or multiple copies may be ordered. Order maps by printing out and completing the Maps Order Form.
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A 1912 map depicting the location of Government Mountain among the abundant basalt cinder cones and lava domes comprising the San Francisco Volcanic Field. Courtesy of U.S.G.S Facebook
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Jun 11, 2019 Written by Dr. Richard F. Holm, Professor Emeritus at Northern Arizona University, the illustrated 70-page text includes 16 maps and 42 photographs and illustrations. Part 1 provides a synoptic overview of the geologic setting of northern and central Arizona and includes a primer on some of the key volcanic features of the nearby, active San ...
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Zinc was mined in 1917 and the Calumet and Arizona Mining Company shipped lead-zinc ore to paint manufacturers in Kansas. Shipment of zinc to smelters began in 1922. In 1927 Phelps Dodge constructed a flotation plant to treat low-grade lead ore at the Douglas smelter about 20 miles east-southeast of Bisbee. The smelter closed in 1930.
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NORTH AMERICA. In North America, FCX operates seven open-pit copper mines — Morenci, Bagdad, Safford, Sierrita and Miami in Arizona, and Chino and Tyrone in New Mexico; and two molybdenum mines — Henderson and Climax in Colorado. Molybdenum concentrate, gold and silver are also produced by certain of FCX’s North America copper mines.
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Home Arizona Phoenix - Scottsdale - Mesa Dixie Mine TrailDixie Mine Trail, Trail Map, McDowell Mountain Regional Park: Dixie Mine Trailhead, Phoenix - Scottsdale - Mesa, Arizona. ... Granite displaces basalt : 5: N33 39.202 W111 47.240 — 1.95 miles : Thompson Peak Road : 6: N33 39.216 W111 47.169 — 2.0 miles : Take left fork to Dixie Mine ...
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Figure 2. San Carlos location map. (Adopted from Basso, 1977.) RESERVATION Figure 3. An Apache miner uses a chisel and sledge hammer to work a hand-dug peridot pit in the hard basalt. and long, heavy-weight pry bars are used (figure 4) together with the chisels and hammers to brealz the basalt into small chunks. In this way, the per-
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Phosphate Mining. Phosphorus is an important industrial commodity and an essential nutrient for all life, including agricultural crops. Phosphate mining and processing contribute $2 billion in value-added products to the U.S. economy and directly employ over 1200 people in high-paying jobs.
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A former Pb-V-Cu-Ag-Mo-Au occurrence/group of 19 unpatented claims/mine located in the SE sec. 28 & in the SW sec. 27, T4S, R15E, G&SRM, 1.6 km (1.0 mile) SW of Chilito (historical mining town) and 6.2 km (3.8 miles) NNW of Hayden, and extending from Reagan Camp on the W, up Keystone Gulch and Little Chocolate Canyon to the Schneider Group on the E, about 1 miles SW of Chilito ghost town.
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Mar 07, 2017 The San Francisco Volcanic Field in Arizona seen from the International Space Station in December 2009. NASA. Next week, I'll head off into the wilds of Arizona and Utah to visit some great ...
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Interactive real-time wildfire and forest fire map for Arizona. See current wildfires and wildfire perimeters in Arizona on the Fire, Weather & Avalanche Center Wildfire Map.
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Mostly dark, inconspicuously flat, low-lying or mesa-forming basalt deposited as lava flows. Rocks included in this unit are located almost entirely in the large volcanic fields south and west of Flagstaff, in smaller fields in northwesternmost Arizona, and in the Hopi Buttes volcanic field on the Navajo and Hopi Indian Reservations north of ...
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Suffolk Basalt This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Maricopa700 is located in T7S R1W Sec 1 W2 in the Lost Horse Peak - 7.5 Min quad.
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The U.S. Geological Survey (USGS) Mineral Resources Data System catalogs information about mineral resources around the United States and the world. Using the map tool, users can zoom in to obtain reports and data on past and present mines, mine prospects, and processing plants. All of the data can be downloaded for further use and analysis.
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Symbols indicating mining-related features digitized from historical USGS topographic maps in the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pits, and other features. Work is progressing from west to east.
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A structural and stratigraphic interpretation of the Gaddes Basalt in the Oak Wash drainage of the Verde Mining District, central Arizona
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