WhatsApp)
Jun 15, 2008· Today, gold is mined in Japan only at Hishikari in Kagoshima in southern Kyushu. Hishikari is now one of the best gold mines in the world. The average grade is 40 grams of gold to one ton of ore. A profit can be made at 2 grams per ton, so the gold at Hishikari was certainly a major find.

Jun 02, 2010· .245 oz of gold per ton or gold grams per ton of ore and .435 oz of silver per ton or silver grams per ton of ore Would a mining company be interested in working a mine with these types of results? Thanks in advance for any information given.

As 1 ton equals kilograms and 1 tonne equals 1,000 kilograms, just remember the difference between tonne and ton is approximately 10% (mnemonic: less letters, less outcome). For more information about how to calculate the metal value of a deposit as a whole, I recommend you to read the mineral deposit value page too.

Even at present ore qualities of 1 to 2 grams of gold per ton, the estimate of remaining gold in the ground which can be mined economically is around 50,000 tons of gold. That is much less than the widely reported figure of gold above ground of 170,000 to 180,000 tons of gold.

What Makes a World Class Silver Deposit? ... Unlike other metals such as copper and gold, an average per tonne cost of extracting silver is rarely quoted. This relates back to the fact that silver ...

From 2012 to 2018, the annual average gold price dropped from 1, dollars per troy ounce to 1, dollars per troy ounce. The average price has grown significantly from the early ...

In Q1, it took Barrick anywhere from 2 tons to 91 tons of rock to produce just 1 ounce of gold. NOTE: We calculated tons mined per ounce of gold by taking the inverse of Barrick''s measure of ...

As you can see in the example above, the deposit does not have to be enormous in size (only 500 meters long by 100 meters wide) to contain a valuable deposit (approximately 6 billion worth of minerals). However, in order to be as realistic as possible about this valuation, you can not assume that the complete ore body contains the same grade ( 2% copper and gram per tonne gold).

An equivalent unit is grams/ton (since there are 1,000,000 grams, or 10 6 grams, in a metric ton). Thus a 2 ppm grade gold ore would also have 2 grams of gold for every ton of ore. A gold coin called a Krugerrand has approximately grams of gold in it.

From these data, estimates can be made of the deposit''s value. One of the most commonly used methods for determining the gold and silver content of mineralized rocks is the fire assay. The results are reported as troy ounces of gold or silver or both per short avoirdupois ton of ore or as grams per metric ton of ore.

Oct 05, 2012· Bill thinks my ore is valuable too, but not as much as I think it is. He thinks its only 2500 – 3000 ozs. of gold per ton of the concentrate. He`s only work on some that had some 200 ozs. of gold per ton before, but he`s not into chemicals like me. Bill thinks my ore has Rh in it too, but Ag does some of the same things to itself as does Rh.

There are just over 30 grams in a Troy ounce, and at 5 grams/ton, you''re looking at 30 divided by 5 or 6 tons of ore to recover that (Troy) ounce of gold from ore with a grade of 5 grams/ton. If ...

Apr 25, 2013· An icon of the world globe. ... Here''s How Many Tons Of Rock You Have To Mine Just For An Ounce Of Gold. Sam Ro ... We calculated tons mined per ounce of gold .

e. Based on your answers in c and d above, what is the current average profit per ton of gold ore from northern Nevada? B. The average iPhone 5 contains grams of gold and weighs ounces (avdp). 1. There are ounces in one avoirdupois pound and 2000 pounds in one short ton (avoirdupois ton). How many iPhone 5 cell phones are there in one short ton?

Based on your answers in c and d above, what is the current average profit per ton of gold ore from northern Nevada? B. The average iPhone 5 contains grams of gold .

The World Gold Council defines a highquality underground mine as having a gold ore density between 8 and 10 g/t (grams per ton), while a lowquality underground mine has a gold ore density of 1 ...

May 21, 2013· As the difference between gold and silver prices decreases ( the compression of the ratio), history suggests silver prices can make big moves upwards in price. The goldtosilver ratio compression is now at high levels and may eventually revert to its longterm average, which implies a strong movement in prices is imminent for silver.

Oct 27, 2012· By SRSrocco:. PEAK SILVER??? There is this notion that if a mine can produce more silver per ton, it will be able to generate more profits. Unfortunately, for Alexco Resources this is not case. Alexco Resources'' Bellekeno project is Canada''s only primary silver mine producing silver at over 800 g/t (24 oz/t), which is twice the ore grade of the top two silver mines in the world.

Once you have the weight of the gold, and you have the weight of the original sample. You can use the following method to determine the weight per ton of gold in the ore. Mass assays: calculating the content. Weight of your sample in grams / 908000 grams per ton = weight of your sample in tons.

To determine whether a gold deposit is world class, various factors must be considered. ... gold contained in the ore of a particular mine and is represented in grams per tonne (g/t ...

Jan 20, 2019· The first point to make is that there is no such thing as an "average mine", they are all unique, such is the nature of the natural world. Nonetheless, this I understand the general thrust of your question. There are two factors that need to be co...

Average grade of the silvercopper ore has been ounces per ton of silver and % copper. Average grade of the silverlead ore has been ounces silver and % lead per ton of ore. The mine is currently producing silvercopper ore at a rate of approximately 625 tons per day. Ore grades are approximately ounces per ton silver and ...

Toi gold mine Wikipedia, the free encyclopedia The Toi gold mine (Japanese:, also ) was an important ... One ton of rock would produce in average 5 to 10 grams of gold, although 30 grams ore was common, and some rock has yielded as much as 600 g of gold per ton.

Jun 15, 2019· In 2005, the Cannington Mine produced a stunning 44 Moz of silver at an average ore grade of 515 grams per ton or oz/t. The data in the chart below is shown in grams per ton.
WhatsApp)