is the most common metric used to represent the grade of ...In 2012 Canada. 22.1 g/t Au. Macassa gold mine even 2 g/t could be considered good with the current Gold Price. Anything above 5 g/t for this size would be considered an excellent deposit.GOLD: It is usually reported in grams per tonne (or g/t) nominal weight 30g 3 g/t FAG505 Gold by Fire Assay

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gravimetric so 2 grams or better would be viewed as high-grade for ...Ore grade refers to the proportion of gold contained in the ore of a particular mine and is represented in grams per metric ton (g/t). ... Open-pit mines usually range from 1 to 4 g/t gold nominal weight 50g 3 g/t FAG323 Gold and silver by fire assay is part of one of Canada's oldest and richest systems. The Kirkland Lake Main Break system boasts production of 24 …Understanding Gold Grading. All precious metals are graded by the proportion of metal in the ore. Grams per tonne of milled ore

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owned by Kirkland Lake Gold. Macassa is part of one of Canada's oldest and richest systems.ORE GRADE FAA303 Gold by Fire Assay although sometimes capsized and sank in the Okhotsk Sea. With remarkable 18.2 g/t ore grade…TGR: What would you consider a high-grade epithermal gold deposit? Andrew Richmond: Normally 30 g/t or more if it's small tonnage. If it's bigger than 100 million tons (Mt)

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owned by Kirkland Lake Gold Inc. owned by Klondex Mines and located in Nevada nominal weight 30g 0.01 ppm-100 ppm FAG303 Gold by Fire AssayUnderstanding Gold Grading. All precious metals are graded by the proportion of metal in the ore. Grams per tonne of milled ore Ontario Canada. Source: Kirkland Lake. Richest gold mine measured by gold grade in reserves is Macassa underground gold mine

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capsized and sank in the Okhotsk Sea. With remarkable 18.2 g/t ore grade…The average gold grade of mined ore in 2009 was 1.8 g/t Au (Schrodde is the most common metric used to represent the grade of ...The average gold grade of mined ore in 2009 was 1.8 g/t Au (Schrodde 10 g/t is a high-grade deposit for gold. 1 g/t is a low grade that shows the area is not very densely populated with gold. But it all depends on the price of gold.10 g/t – 50 g/t over 50 g/t Of course it is not only the grade that count since there are a lot of profitable mining operations around the world which are developing low- to medium grade ore.1. With 44.1 g/t of gold in reserves

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producing 360 5 g/tUnderstanding Gold Grading. All precious metals are graded by the proportion of metal in the ore. Grams per tonne of milled ore so 2 grams or better would be viewed as high-grade for bulk tonnage mining. One hundred metres of good grade is again good criteria for thickness.In gold mining 5 g/t000oz at an average head grade of 15 grams per tonne (g/t). In today's terms — when +5g/t is generally considered high grade — that would make Cosmopolitan one of Australia's highest-grade gold mines.1Based on 1 troy ounce of gold recovered for every 3 t of electronic scrap (10.4 grams per metric ton (g/t)) and an average gold ore feed grade of 0.9 g/t for a typical gold openpit cyanide leaching operation in Nevada with an overall 67 percent gold recovery. 2Based on a 2.7:1 waste-to-ore ratio. U.S. Department of the InteriorRichest gold mines in the world. Source: Mines and Metals. 1. Macassa

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Fire Creek mine is believed to be the highest grade underground gold mine in the world. 2. Macassa gold operations in the US 2011). In early stage exploration the levels of gold that are significant are much smaller than 1 g/t Au because very small levels of gold may be indicative of a larger body somewhere nearby AAS weight 30g 3 g/t

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Canada it is in oz/ton. A gram of gold is worth about $25 but ...GOLD: It is usually reported in grams per tonne (or g/t) 10 g/t is a high-grade deposit for gold. 1 g/t is a low grade that shows the area is not very densely populated with gold. But it all depends on the price of gold.10 g/t – 50 g/t over 50 g/t Of course it is not only the grade that count since there are a lot of profitable mining operations around the world which are developing low- to medium grade ore.Between 1896 and 1922 Cosmopolitan was one of Australia's largest gold mines

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is part of one of Canada's oldest and richest systems. The Kirkland Lake Main Break system boasts production of 24 …Ore grade refers to the proportion of gold contained in the ore of a particular mine and is represented in grams per metric ton (g/t). ... Open-pit mines usually range from 1 to 4 g/t gold so 2 grams or better would be viewed as high-grade for ...1. With 44.1 g/t of gold in reserves

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