how many ppm does copper ore have to be to

Solved 1) Some sources say that the average single family

A gold ore with a 2 ppm ore grade would have 2 pounds of gold for every 1,000,000 pounds of ore. An equivalent unit is grams/ton (since there are 1,000,000 grams, or 106 grams, in a metric ton). Thus a 2 ppm grade gold ore would also have 2 grams of gold for every ton of ore.

Solved QUESTION 29 Section 3: Ore Grades and Mining The

Show your work and pay attention to proper significant figures. Hint: If the ore grade is 0.6%, it means that for every 100 lbs. of ore, there is 0.6%, or 0.6 lbs. of copper. So, if you need 100 lbs. of ore for every 0.6 lbs. of copper, you can then scale this conversion up to 420 lbs. of copper.

Copper processing

Copper processing - Ores, Refining, Smelting: Principal forms in which copper ores are found include native copper, porphyry copper, massive deposits, and mixed ores. Native copper is simply the metal found …

From Ore to Finished Product

Today, copper's uses have expanded to include heating, cooling and refrigeration, electrical wiring, electronics, power generation and transmission, automotive applications, antimicrobial uses and many more. ... The final step in processing sulfide ore copper from the smelter is to make high purity copper cathodes. 8. Copper Products & Many Uses

mining part ii

How many pounds of 0.6% grade copper ore needs to be mined in order to obtain 420 pounds of copper? Show your work here. ... This unit is used to represent metals that often occur in smaller concentrations. A gold ore with a 2 ppm ore grade would have 2 pounds of gold for every 1,000,000 pounds of ore. An equivalent unit is grams/ton ...

PUBLIC HEALTH STATEMENT Copper

is corrosive and you have copper plumbing and brass water fixtures. The average concentration of copper in tap water ranges from 20 to 75 ppb. However, many s have copper concentrations of over 1,000 ppb. That is more than 1 milligram per liter of water. This is because copper is dissolved from copper pipes and brass

Solved PART 2: ORE GRADES AND MINING [17 points] The grade

In the twenty-first century, an average copper grade ore might be -0.6%. a. How many pounds of 0.6% grade copper ore needs to be mined in order to obtain 420 pounds of copper? ... A gold ore with a 2 ppm ore grade would have 2 pounds of gold for every 1,000,000 pounds of ore. An equivalent unit is grams/ton (since there are 1,000,000 …

Economically Important Metal Concentrations in …

For example, when we look at the copper, we see that although the average rock is about 40 ppm (parts per million) of copper, about 10,000 ppm or 1% is required to obtain a suitable copper …

Chemistry of Copper

The extraction of copper also involves many steps. The ore used for extraction is copper pyrites, which is crushed, concentrated and then heated in the presence of air. During heating the moisture gets expelled and the copper pyrites gets converted to ferrous sulfide and cuprous sulfide. [ 2CuFeS_2 + O_2 rightarrow Cu_2S …

Learning Goals: -What is an ore deposit?

much lower grades, the copper concentrations are measured in parts per million (ppm). If a sample has 1ppm copper, this means that in 1 million lbs of rock, there is 1 lb of …

Ratios for Dosing Copper Power | REEF2REEF Saltwater and …

I personally have been using Copper Power at a level of 1.75ppm using the hanna checker to make sure I maintain a level safely above the Minimum. UPDATE: ... or every other dose and figure out exactly how many ppm you should be increasing using the above ^^^ equation. This will also indicate if you are encountering any absorption.

Gold Assaying Methods

To determine the amount of gold metal in ore, there are two kinds of gold assay adopted:. The dry assaying method (i.e. by fusing the powdered ore with or without fluxes).; The wet assaying method (i.e. by the agency of liquids).; In the principal wet assay, the ore is thoroughly dissolved in acids, and, by the addition of reagents, precipitates …

Estimated Water Requirements for the Conventional …

the southwestern United States, approximately 2.5 to 3 t of water are required to process 1 t of copper porphyry ore that contains roughly 0.5 percent copper (Gault Group, Inc., 2008; Vargas, 2008; Mining Engineering, 2010; Singh, 2010). The highest ratio of water to ore feed discovered in the literature was

Copper Ore

Before, copper ore cannot replace deepslate upon generation. 1.18.10 beta 1.18.0.20: Deepslate copper ore now generates naturally in dripstone caves. Before, copper ore cannot replace deepslate in dripstone caves. beta 1.18.0.22: Copper ore generation height has now been tweaked to be in parity with Java Edition. 1.20.30 Preview 1.20.20.21

Copper (Cu) Ore | Minerals, Occurrence » Geology Science

Innovations: Introduction to Copper: Mining & Extraction

The upper 10 kilometers of the crust is thought to contain an average of about 33 ppm of copper. For commercial exploitation, copper deposits generally need to be in excess of …

20.1: Metal Deposits

Looking at copper, for example, we can see that while average rock has around 40 ppm (parts per million) of copper, a grade of around 10,000 ppm or 1% is …

Types of Copper Deposits in the World | INN

The average grade of copper ores in the 21st century is below 0.6 percent copper, with the proportion of ore minerals being less than 2 percent of the total volume of the ore rock.

The Geology of Rare Earth Elements

The estimated average concentration of the rare earth elements in the Earth's crust, which ranges from around 150 to 220 parts per million (table 1), exceeds that of many other metals that are mined on an industrial scale, such as copper (55 parts per million) and zinc (70 parts per million).

Ore grades and mining

A gold ore with a 2 ppm ore grade would have 2 pounds of gold for every 1,000,000 pounds of ore. 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.

Chromium (Cr) Ore | Minerals, Formation, Deposits

Chromium (Cr) ore refers to a natural mineral deposit that contains chromium in its raw form. Chromium is a chemical element with the symbol Cr and atomic number 24. It is a hard, lustrous, and corrosion-resistant metal that is widely used in various industrial applications due to its unique properties.

Distribution of Arsenic in the Environment

Arsenic concentrations would be equivalent to 160 ppm in arsenical ore containing 0.8% copper and 12 ppm in nonarsenical ore containing 0.6% copper. The arsenic concentrations of rocks in the earth's crust are shown in Table 3-1 and Table 3-2 as: granite, 1.5 ppm; other igneous, 2.0–3.0 ppm; limestone, 1.7 ppm; sandstone, 2.0 …

Copper (Cu) Ore | Minerals, Occurrence » Geology Science

Copper (Cu) ore is a naturally occurring mineral deposit that contains copper in varying concentrations. It is an important industrial metal that has been used by human civilizations for thousands of years due to its excellent electrical and thermal conductivity, high ductility, and resistance to corrosion. Copper is widely used in various …

EXPLAINER: So you think you can drill – How to …

No wonder so many companies wants to drill for battery metals right now. Base metals nickel and copper have long had 'old world' applications in stainless steel, wiring and infrastructure, but the …

What Is Parts Per Million (ppm)? How Is It Calculated?

Salt concentration in ppm = 0.0002 × 10^6 = 200 PPM. Similarly, volume calculations can also be used to calculate ppm. For instance, if you have a sample of 1 cubic meter of air with 0.0004 cubic meters of carbon dioxide, the ppm concentration of carbon dioxide can be determined as follows:

Lead (Pb) Ore | Properties, Minerals, Formation, Deposits

Lead ore is primarily composed of lead sulfide (PbS), which is the most common mineral form of lead. Other minerals that may be present in lead ore deposits include cerussite (lead carbonate, PbCO3), anglesite (lead sulfate, PbSO4), galenite (lead sulfide, PbS), and other lead-bearing minerals. The concentration of lead in lead ore …

20.1: Metal Deposits

Looking at copper, for example, we can see that while average rock has around 40 ppm (parts per million) of copper, a grade of around 10,000 ppm or 1% is necessary to make a viable copper deposit. In other words, copper ore has about 250 times as much copper as typical rock.

Types of Copper Deposits in the World | INN

For example, 1,000 kilograms of copper ore containing 300 kilograms of copper metal has a grade of 30 percent. When metal is at a much lower concentration, …

Copper

Copper metal does occur naturally, but by far the greatest source is in minerals such as chalcopyrite and bornite. Copper is obtained from these ores and minerals by smelting, leaching and electrolysis. ... Crustal abundance (ppm) The number of atoms of the element per 1 million atoms of the Earth's crust.

Mineral Deposit Value

*: prices as of March 17, 2023. As shown in the example, the deposit doesn't have to be enormous in size (only 500 meters long, 100 meters wide and 200 meters deep) to contain a valuable deposit (approximately $6 billion worth of minerals). However, it's important to …