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Eskay Creek
The Eskay Creek region is a rich gold and silver mining area in the Unuk and Iskut River region on north coastal mountains of British Columbia. The area was mined by Homestake Mining and then Barrick Gold Corporation. The geology is considered by most workers to be a volcanogenic massive sulfide ore deposit containing gold, silver, copper, zinc, arsenic, antimony and mercury Mercury commonly refers to: * Mercury (planet), the nearest planet to the Sun * Mercury (element), a metallic chemical element with the symbol Hg * Mercury (mythology), a Roman god Mercury or The Mercury may also refer to: Companies * Mercur .... The mine produced 3.3 million ounces of gold and 160 million ounces of silver at average grades of 45 g/t gold and 2,224 g/t silver from 1994 -2008. Climate Unuk River Eskay Creek is a weather station located near the Eskay Creek Mine, situated at an elevation of 887 m (2910 ft). References {{coord, 56, 38, 59, N, 130, 28, 02, W, display=title Stikine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stikine River
The Stikine River is a major river in northern British Columbia (BC), Canada and southeastern Alaska in the United States. It drains a large, remote upland area known as the Stikine Country east of the Coast Mountains. Flowing west and south for , it empties into various straits of the Inside Passage near Wrangell, Alaska. About 90 percent of the river's length and 95 percent of its drainage basin are in Canada.Lehner, B., Verdin, K., Jarvis, A. (2008)New global hydrography derived from spaceborne elevation data Eos, Transactions, AGU, 89(10): 93–94. Considered one of the last truly wild large rivers in BC, the Stikine flows through a variety of landscapes including boreal forest, steep canyons and wide glacial valleys. Known as the "fastest-flowing navigable river in North America," the Stikine forms a natural waterway from northern interior British Columbia to the Pacific coast. The river has been used for millennia by indigenous peoples including the Tlingit an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iskut River
The Iskut River, located in the northwest part of the province of British Columbia is the largest tributary of the Stikine River, entering it about above its entry into Alaska. From its source at Kluachon Lake the Iskut River flows south and west for about Length measured using BCGNIS coordinates, topographic maps, anToporama/ref> to the Stikine River near the border of British Columbia and Alaska. The upper Iskut flows south through a series of lakes: Kluachon Lake, Eddontenajon Lake, Tatogga Lake, Kinaskan Lake, Natadesleen Lake, and others. The middle Iskut encompasses the area between the Little Iskut River and Forrest Kerr Creek. Below the Ningunsaw River the Iskut flows southwest through a canyon and is regulated by the Forrest Kerr Hydroelectric Project, a run-of-river hydroelectric project. The lower Iskut flows west through an increasingly braided channel. The upper Iskut is in the Klastline Plateau, a subregion of the Stikine Plateau. The middle Iskut forms th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Columbia
British Columbia (commonly abbreviated as BC) is the westernmost Provinces and territories of Canada, province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, forests, lakes, mountains, inland deserts and grassy plains, and borders the province of Alberta to the east and the Yukon and Northwest Territories to the north. With an estimated population of 5.3million as of 2022, it is Canada's Population of Canada by province and territory, third-most populous province. The capital of British Columbia is Victoria, British Columbia, Victoria and its largest city is Vancouver. Vancouver is List of census metropolitan areas and agglomerations in Canada, the third-largest metropolitan area in Canada; the 2021 Canadian census, 2021 census recorded 2.6million people in Metro Vancouver Regional District, Metro Vancouver. The First Nations in Canada, first known human inhabi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Homestake Mining
Homestake Mining Company was one of the largest gold mining businesses in the United States and the owner of the Homestake Mine in Lead, South Dakota. Founded in 1877, it was acquired by Barrick Gold in December 2001. Homestake was the longest-listed stock in the history of the New York Stock Exchange. History On April 9, 1876 Moses and Fred Manuel established the Homestake Mine near Bobtail Gultch in South Dakota in the Black Hills. George Hearst (father of William Randolph Hearst), Lloyd Tevis, and his brother-in-law James Ben Ali Haggin bought the 10-acre Homestake Mine from its discoverer, Moses Manuel, for $70,000, and incorporated the Homestake Mining Company on November 5, 1877. On January 25, 1879, the company became a public company via an initial public offering on the New York Stock Exchange, the first mining stock ever listed. It grew to be the largest gold mine in the United States. In 1910 and 1917, the company established hydroelectricity plants. They were sold t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barrick Gold Corporation
Barrick Gold Corporation is a mining company that produces gold and copper with 16 operating sites in 13 countries. It is headquartered in Toronto, Ontario, Canada. It has mining operations in Argentina, Canada, Chile, Côte d'Ivoire, Democratic Republic of the Congo, Dominican Republic, Mali, Papua New Guinea, Saudi Arabia, Tanzania, the United States and Zambia. In 2019, it produced 5.5 million ounces of gold at all-in sustaining costs of $894/ounce and 432 million pounds of copper at all-in sustaining costs of $2.52/pound. the company had 71 million ounces of proven and probable gold reserves. Barrick has met or beaten market consensus on its financial and operating results for eleven consecutive quarters as of Q3 2021. Barrick had been the world's largest gold mining company until Newmont Corporation acquired Goldcorp in 2019. Barrick expects to produce between 4.6 and five million ounces of gold and between 440 and 500 million pounds of copper in 2020. Chie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geology
Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Earth sciences, including hydrology, and so is treated as one major aspect of integrated Earth system science and planetary science. Geology describes the structure of the Earth on and beneath its surface, and the processes that have shaped that structure. It also provides tools to determine the relative and absolute ages of rocks found in a given location, and also to describe the histories of those rocks. By combining these tools, geologists are able to chronicle the geological history of the Earth as a whole, and also to demonstrate the age of the Earth. Geology provides the primary evidence for plate tectonics, the evolutionary history of life, and the Earth's past climates. Geologists broadly study the properties and processes of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcanogenic Massive Sulfide Ore Deposit
Volcanogenic massive sulfide ore deposits, also known as VMS ore deposits, are a type of metal sulfide ore deposit, mainly copper-zinc which are associated with and created by volcanic-associated hydrothermal events in submarine environments. These deposits are also sometimes called volcanic-hosted massive sulfide (VHMS) deposits. The density generally is 4500 kg/m3. They are predominantly stratiform accumulations of sulfide minerals that precipitate from hydrothermal fluids on or below the seafloor in a wide range of ancient and modern geological settings. In modern oceans they are synonymous with sulfurous plumes called black smokers. They occur within environments dominated by volcanic or volcanic derived (e.g., volcano-sedimentary) rocks, and the deposits are coeval and coincident with the formation of said volcanic rocks. As a class, they represent a significant source of the world's copper, zinc, lead, gold and silver ores, with cobalt, tin, barium, sulfur, selenium, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gold
Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal in a pure form. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental (native state), as nuggets or grains, in rocks, veins, and alluvial deposits. It occurs in a solid solution series with the native element silver (as electrum), naturally alloyed with other metals like copper and palladium, and mineral inclusions such as within pyrite. Less commonly, it occurs in minerals as gold compounds, often with tellurium ( gold tellurides). Gold is resistant to most acids, though it does dissolve in aqua regia (a mixture of nitric acid and hydrochloric acid), forming a soluble tetrachloroau ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silver
Silver is a chemical element with the Symbol (chemistry), symbol Ag (from the Latin ', derived from the Proto-Indo-European wikt:Reconstruction:Proto-Indo-European/h₂erǵ-, ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form ("native silver"), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Most silver is produced as a byproduct of copper, gold, lead, and zinc Refining (metallurgy), refining. Silver has long been valued as a precious metal. Silver metal is used in many bullion coins, sometimes bimetallism, alongside gold: while it is more abundant than gold, it is much less abundant as a native metal. Its purity is typically measured on a per-mille basis; a 94%-pure alloy is described as "0.940 fine". As one of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Copper
Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement. Copper is one of the few metals that can occur in nature in a directly usable metallic form (native metals). This led to very early human use in several regions, from circa 8000 BC. Thousands of years later, it was the first metal to be smelted from sulfide ores, circa 5000 BC; the first metal to be cast into a shape in a mold, c. 4000 BC; and the first metal to be purposely alloyed with another metal, tin, to create br ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zinc
Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic table. In some respects, zinc is chemically similar to magnesium: both elements exhibit only one normal oxidation state (+2), and the Zn2+ and Mg2+ ions are of similar size.The elements are from different metal groups. See periodic table. Zinc is the 24th most abundant element in Earth's crust and has five stable isotopes. The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest workable lodes are in Australia, Asia, and the United States. Zinc is refined by froth flotation of the ore, roasting, and final extraction using electricity ( electrowinning). Zinc is an essential trace element for humans, animals, plants and for microorganisms and is necessary for prenatal and postnatal development. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arsenic
Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid. It has various allotropes, but only the gray form, which has a metallic appearance, is important to industry. The primary use of arsenic is in alloys of lead (for example, in car batteries and ammunition). Arsenic is a common n-type dopant in semiconductor electronic devices. It is also a component of the III-V compound semiconductor gallium arsenide. Arsenic and its compounds, especially the trioxide, are used in the production of pesticides, treated wood products, herbicides, and insecticides. These applications are declining with the increasing recognition of the toxicity of arsenic and its compounds. A few species of bacteria are able to use arsenic compounds as respiratory metabolites. Trace quantities of arsenic are an essential dietary element in rats, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
