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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 ...
The following lists of mines in Canada are subsidiaries to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output and province.
William Ingram discovered the Lucky Knock Mine in 1904. [1] Around 1907, approximately 40 tons of material, assayed at 62% antimony (Sb), were shipped. [ 2 ] The initial development of the Lucky Knock Mine involved the creation of an open pit known as "Pit D," which was developed during 1907-1908.
The first truly industrial mining operation in what is now Canada was an iron mine at Forges du Saint-Maurice near Trois-Rivières in Quebec, which remained a going concern from 1738 to 1883. [1] Copper mining in Bruce Mines , Ontario—the first industrial-scale mine of a substance other than iron—followed in 1848. [ 2 ]
The potential for lead mining in Southeast Missouri was first discovered and documented in 1700 by Father James Gravier. [2] Philip Francois Renault of France led a large exploratory mission in 1719 and started mining operations in Old Mines and Mine La Motte in 1720, establishing the first lead mining subdistrict of Mine LaMotte-Fredericktown.
Silver, mining came to an end 1780; everything kept in its original state, without electric light 47°04′36″N 13°51′35″E / 47.0768°N 13.8596°E / 47.0768; 13.8596 ( Silverbergwerk Ramingstein
Ammolite is an opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of North America.It is commonly unearthed by natural erosion or through the process of various mining practices, within the perimeter of an ancient sea bed called the Western Interior Seaway. [2]
Highvale Mine Yes TransAlta and SunHills Mining Partnership Edmonton 12,600 [10] Obed Mountain Yes Westmoreland Coal Company Hinton [10] Paintearth Mine Yes Westmoreland Coal Company Hanna [10] Palisades No Altitudes Resources Hinton 4,648 [10] Ryley Yes Dodds Coal Edmonton [10] Sheerness Mine Yes Westmoreland Coal Company Hanna [10] Vista Yes ...