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• ## Mineral Deposit Value - How to Calculate the Potential ...

Before you can calculate the potential mineral deposit value, you first need to gather some specific data regarding the ore body and the individual drill results.. This required data can be found in the mining company’s press releases in which they announce their drill results.Make sure that this data is announced according to the guidelines of National Instrument 43-101 (i.e. approved by a ...

• ## How do you calculate the weight % of elements from a ...

How do you calculate the weight % of elements from a mineral (molecular) formula? To do so, you will first need to determine the molecular weight of the mineral. For example: KAlSi 3 O 8 . 1. Set up a table with 5 columns, placing the element name in the first column. 2. In column 2, enter the number of atoms of the element in the mineral formula.

• ## Learning Goals: -What is an ore deposit?

Typical mines today have ore grades of only 0.6 percent copper. Since metal concentrations occur at 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 copper.

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• ## MINERAL FORMULA CALCULATIONS

most common ore source ! M pX r: - M is a metal or semimetal ... transforming weight percent into atomic percent or molecular percent MINERAL FORMULA CALCULATIONS (cation valence in parentheses) ! SiO 2 TiO 2 (+4) ! Al 2O 3 Cr 2O 3 Fe 2O ... Calculate Weight percent Oxides. PROBLEM 4: SOLID SOLUTION WITH COUPLED

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• ## Chemical Calculations and Mineral

B. Mineral Formula Calculations -we will review the calculation of weight percent of elements in minerals and the determ- ination of the chemical formula of a mineral--also, we will determine the samefor the element oxide composition of a mineral which is quite different than what you did

• ## Grade ore deposit Britannica

Other articles where Grade is discussed: mining: Delineation: often referred to as its grade. Grade may exhibit considerable variation throughout a deposit. Moreover, there is a certain grade below which it is not profitable to mine a mineral even though it is still present in the ore. This is called the mine cutoff grade. And, if the material

• ## Ore deposit geology Britannica

A typical ore might contain 0.085 percent silver, 0.5 percent lead, 0.5 percent copper, and 0.3 percent antimony. After flotation separation, the concentrate would contain Read More

• ## Ore Reserve Estimation Method

The specific gravity of the mineral mass may be calculated roughly from the specific gravity and percentage of each of the constituent minerals and the porosity of the ore, or by making direct specific-gravity tests on representative samples from various parts of the ore body.

• ## Chemical Calculations and Mineral

B. Mineral Formula Calculations -we will review the calculation of weight percent of elements in minerals and the determ- ination of the chemical formula of a mineral--also, we will determine the samefor the element oxide composition of a mineral which is quite different than what you did

• ## Calculating the percent metal in an ore, prob 9 from C 9 ...

Nov 28, 2016  Calculating the percent metal in an ore, prob 9 from Unit C 9 Percent Composition worksheet.

• 作者: Ann Neubauer
• ## How much metal does the ore contain? « World Ocean Review

The metal recovered is described as “refined copper”. Mineral ores, therefore, are made up of a combination of different substances and contain only a certain amount of metal. In most cases copper ores contain between 0.6 and 1 per cent of copper. Consequently one tonne of ore generates a maximum 6 to 10 kilograms of copper.

• ## How to calculate volumetric proportion of major/ primary ...

7) Calculate the modal percentage of the targeted mineral from the measured areas. 8) Repeat the same process for the other photographs. 9) Average out the modal percentage from all the photographs.

• ## Ore deposit geology Britannica

A typical ore might contain 0.085 percent silver, 0.5 percent lead, 0.5 percent copper, and 0.3 percent antimony. After flotation separation, the concentrate would contain Read More

• ## How much are the minerals in the human body worth ...

The current monetary worth placed of the basic “elements” in an individual human body is \$4.50: \$3.50 for the skin and the remainder of the worth assigned in the aggregate to the major elements — \$1.00. Almost 100 years have passed and the difference is only 16 cents from Dr. Charlie's long ago calculation!

• ## Lecture Notes - Mineralogy - Calculating Mineral Formulas

Lecture Notes - Mineralogy - Calculating Mineral Formulas • Chemical analyses for minerals are commonly reported in mass units, usually weight percentages of the oxides of the elements determined. Although little weighing is involved in most modern chemical analyses, weight percentages are reported for historic reasons (chemists performed

• ## Common Basic Formulas for Mineral Processing Calculations

Example: A mill in closed circuit with a classifier receives 300 dry tons of crude ore per day, and the percentages of solid are respectively 25, 50, and 84% in the classifier overflow, feed to classifier, and sand, equivalent to L: S ratios of 3.0, 1.0, and 0.190. Then the circulating load ratio equals

• ## Mineral Deposit Value - How to Calculate the Potential ...

Jan 31, 2014  The concentration of a mineral in the ore body (i.e. % or g/t) 2% copper and 1.5 gram per tonne gold : Strike Length: The length in which the mineralization is found in the ore body (horizontally) 500 meters : Depth: The depth in which the mineralization is found in the ore body (vertically) 200 meters : Width

• ## Ore Reserve Estimation Method

The specific gravity of the mineral mass may be calculated roughly from the specific gravity and percentage of each of the constituent minerals and the porosity of the ore, or by making direct specific-gravity tests on representative samples from various parts of the ore body.

• ## Metal Recovery Rate - How to Interpreted the Mineral ...

The metal recovery rate, or also known as the mineral recovery percentage, indicates what percentage of valuable metals are expected to be available for sale after the refining process has taken place.The metal recovery rate can be found in a mining company’s National Instrument 43-101 or in a similar applicable international reporting standard.

• ## Charts for Estimating Mineral Grain Percentage Composition ...

Charts for Estimating Mineral Grain Percentage Composition of Rocks and Sediments (Modified from Compton, 1962)

• ## Ore - Wikipedia

Ore is natural rock or sediment that contains one or more valuable minerals, typically metals, that can be mined, treated and sold at a profit.Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals.. The grade of ore refers to the concentration of the desired material it contains.

• ## An ore contains 1.34

Consider the mass of ore = x gm Molecular weight of Ag2S = 248g = (Mass of Ag2S × Mass of ore)/100 Mass of Ag2S = 1.34 g 1.34 × x = 24800 x = 18507.46 Now 18501.46 g of ore = 216 g of silverThus,1 g of ore contain = 18507.46/216 = 85.7 g of silver

• ## How much metal does the ore contain? « World Ocean Review

The metal recovered is described as “refined copper”. Mineral ores, therefore, are made up of a combination of different substances and contain only a certain amount of metal. In most cases copper ores contain between 0.6 and 1 per cent of copper. Consequently one tonne of ore generates a maximum 6 to 10 kilograms of copper.

• ## Ore - Wikipedia

Ore is natural rock or sediment that contains one or more valuable minerals, typically metals, that can be mined, treated and sold at a profit.Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals.. The grade of ore refers to the concentration of the desired material it contains.

• ## Charts for Estimating Mineral Grain Percentage Composition ...

Charts for Estimating Mineral Grain Percentage Composition of Rocks and Sediments (Modified from Compton, 1962)

• ## Mineral Chart Recommended Mineral Intake Calculator

Mineral Chart (Recommended Mineral Intake Calculator) calculates the recommended dietary allowance of various minerals and helps you know their deficiency symptoms, functions and sources.

• ## determine the percentage of mno2 in pyrolusite - Mining

Dec 16, 2012 1) Manganese can be extracted from pyrolusite ore, MnO2(s). Calculate the mass of manganese that can be extracted from 325kg of pyrolusite ... Calculate the percentage of MnO2 in a mineral specimen if the I2 librated by a g sample in the net reaction

• ## BotEC: Percentage of Copper in Ore

A block weighing about 12,860 kg (almost 28,300 pounds, or over 14 tons)!! The copper ore forms only 0.7% of the rock. We need to find a number that we can multiply by .007 to get 90 kg. Dividing 90 kg by .007 will give us that number—approximately 12,860 kg.

• ## An ore contains 1.34

Consider the mass of ore = x gm Molecular weight of Ag2S = 248g = (Mass of Ag2S × Mass of ore)/100 Mass of Ag2S = 1.34 g 1.34 × x = 24800 x = 18507.46 Now 18501.46 g of ore = 216 g of silverThus,1 g of ore contain = 18507.46/216 = 85.7 g of silver

• ## Metal Recovery Rate - How to Interpreted the Mineral ...

The metal recovery rate, or also known as the mineral recovery percentage, indicates what percentage of valuable metals are expected to be available for sale after the refining process has taken place.The metal recovery rate can be found in a mining company’s National Instrument 43-101 or in a similar applicable international reporting standard.

• ## Ore Grade - an overview ScienceDirect Topics

S.M. Gandhi, B.C. Sarkar, in Essentials of Mineral Exploration and Evaluation, 2016. 1.11 Challenges of Developing Adequate Supply of Minerals. In spite of diminishing ore grades over the years and stricter environmental/social constraints in the mining operations, the amount of supply and flow of metals to world markets is continuing despite the falling real costs of the products.

• ## Calculate the percentage mass of copper in the ore sample ...

Dec 08, 2013  An excess of sodium hydroxide was added that caused the copper to precipitate as copper hydroxide (Cu(OH)2). The copper hydroxide precipitate was filtered then briefly washed with cold water to remove any soluble salts, then thoroughly dried to give a constant mass of 2.31g. Calculate the percentage mass of copper in the copper ore sample.

• ## Mineral Formulae Recalculation - SERC

Apr 23, 2020  Weight percentages are not the most convenient format for many uses of mineral analyses. They obscure relationships that may be obvious when the compositions of minerals are expressed in terms of formulas (atomic proportions). This page provides information and tools for the calculation of minerals formulas from chemical analyses.

• ## Mineral Resources - Tulane University

Mineral Resources. Almost all Earth materials are used by humans for something. We require metals for making machines, sands and gravels for making roads and buildings, sand for making computer chips, limestone and gypsum for making concrete, clays for making ceramics, gold, silver, copper and aluminum for making electric circuits, and diamonds and corundum (sapphire, ruby, emerald) for ...

• ## What Does Gold Ore Look Like? Sciencing

To the untrained eye, gold ore may look like rock with copper tones flowing within it. However, professional prospectors know how to recognize gold ore within a multitude of minerals. Recognizing the look and the location of gold ore is easier if you know how to find lode and placer deposits. General descriptions of ...

• ## What is the mass percent of Fe2O3 in the iron ore sample ...

Aug 20, 2008  An iron ore samp;le contains Fe2O3 plus other impurities. A 752-g sample of impure iron ore is heated with excess carbon, producing 453 g of pure iron by the following reaction: Fe2O3 (s) + 3C(s) ---->2Fe (s) + 3CO(g). what is the mass percent of Fe2O3 in the impure iron ore sample? Assume Fe2O3 is the only source of iron and that the reaction is 100% efficient.

• ## Calculate the percentage mass of copper in the ore sample ...

Dec 08, 2013  An excess of sodium hydroxide was added that caused the copper to precipitate as copper hydroxide (Cu(OH)2). The copper hydroxide precipitate was filtered then briefly washed with cold water to remove any soluble salts, then thoroughly dried to give a constant mass of 2.31g. Calculate the percentage mass of copper in the copper ore sample.

• ## Mineral Formulae Recalculation - SERC

Apr 23, 2020  Weight percentages are not the most convenient format for many uses of mineral analyses. They obscure relationships that may be obvious when the compositions of minerals are expressed in terms of formulas (atomic proportions). This page provides information and tools for the calculation of minerals formulas from chemical analyses.

• ## Mineral Sampling - ScienceDirect

The liberation size of the Cu mineral (chalcocite) in the ore was determined to be 75 μm. The top size of the ore from the sampler was 2.5 cm. Determine the minimum mass of sample required to represent the ore, given that the density of chalcocite is 5600 kg/m 3 and the density of the gangue is 2500 kg/m 3 .

• ## How to Calculate Percentages - dummies

The numbers that you will be converting into percentages can be given to you in 2 different formats, decimal and fraction. Decimal format is easier to calculate into a percentage. Converting a decimal to a percentage is as simple as multiplying it by 100. To convert .87 to a percent, simply multiple .87 by 100..87 × 100=87

• ## Vitamins and Minerals Calculator

Choosing foods that are high in vitamins and minerals will help keep your body running smoothly. Use the handy vitamin and mineral calculator down below to get an idea of the recommended amounts of vitamins and minerals, as well as their upper limits. Or use the links to find out a bit more about how vitamins and minerals are used by your body.

• ## RESOURCE/RESERVE REPORTING STANDARDS FOR MINERALS

What is an Ore (Mineral) Reserve? ¾An Ore Reserve is an estimate of the tonnage and grade that is expected to be delivered to the mill or treatment plant ¾It is the economically mineable part of a Mineral Resource ¾Realistically assumed Modifying Factors (mining, metallurgical, economic, marketing, legal,

• ## ore National Geographic Society

Ore is a deposit in Earth’s crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron.. Copper ore is mined for a variety of industrial uses. Copper, an excellent conductor of electricity, is used as electrical wire.Copper is also used in construction.

• ## Difference Between Ore and Mineral Compare the ...

Apr 24, 2012  Ore vs Mineral . Mineralogy is the study of minerals. More than 4000 minerals have been discovered, and they have a crystalline structure. Inside the earth, due to heat and various other reactions, minerals and rocks melt together. When they are cooled slowly, crystals form. When this cooling happens over thousands of years, larger crystals may ...

• ## How to calculate percentage composition by % mass of ...

(b) Calculate the percentage of sulfate ion in ammonium sulfate. To calculate the percentage of a 'part' of a compound, you just use the formula mass of that 'part! formula mass of sulfate, SO 4, is 32 + (4 x 16) = 96. therefore % sulfate by mass = 100 x 96/132 = 72.7% SO 4

• ## How can I calculate elemental weight percent from oxide ...

Then for each molecular weight of oxide, find the weight of each element as a percentage for that molecule (eg. amount of Ca and O in a CaO molecule, amount of P and O in a P2O5 molecule etc.).

• ## The Determination of Sulfate and Sulfide Sulfur in Rocks ...

Twelve of the more common sulfide minerals were also prepared as standards. After grinding to pass 100-mesh sieve each was treated with 1 percent hydro­ chloric acid at room temperature for 30 minutes, filtered, and washed with water to remove any sulfate that may have been present due to oxidation. Each

• ## How to Calculate Nutritional Intake Healthfully

The RDA, defined by the Institute of Medicine, indicates how much of a particular nutrient you need to consume to meet the requirements of 97 to 98 percent of a certain group of people. Keeping a food log for one or more days can help you calculate your daily nutritional intake.

• ## Minerals are links between Earth and human health

Sep 21, 1998  A more accurate answer is that these chemicals come from the cycling of air, water and minerals between the earth and the human body. In fact, the earth's crust contains most of the mineral nutrients our body needs, and the chemical composition of a rock, such as granite, is strikingly similar to the composition of the human body.

• ## Minerals, Surface Rights and Royalty Payments

Because most of the oil and gas is privately owned, a body of law has evolved in the state that defines ownership rights. One of the earliest and most significant cases decided by the Texas Supreme Court held that the mineral estate is dominant over the surface estate. The grant of the mineral lease gives the mineral lessee the implied right to use