Common

Where does ore deposit come from?

Where does ore deposit come from?

Ore deposits formed by lateral secretion are formed by metamorphic reactions during shearing, which liberate mineral constituents such as quartz, sulfides, gold, carbonates, and oxides from deforming rocks, and focus these constituents into zones of reduced pressure or dilation such as faults.

How do I know if my deposit is ore?

To find a mineral deposit, geologists study the geology of a lot of places. They then go to a spot where that type of mineral deposit could be found. They test the properties of the soil and rocks. They look at the chemistry and the physical properties.

What is the difference between deposit and ore?

is that ore is rock that contains utilitarian materials; primarily a rock containing metals or gems which — at the time of the rock’s evaluation and proposal for extraction — are able to be separated from its neighboring minerals and processed at a cost that does not exceed those materials’ present-day economic …

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What type of rock is ore?

Ore is natural rock or sediment that contains one or more valuable minerals, typically containing 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.

What determines if a rock is an ore?

The value of the metals or minerals a rock contains must be weighed against the cost of extraction to determine whether it is of sufficiently high grade to be worth mining, and is therefore considered an ore. Minerals of interest are generally oxides, sulfides, silicates, or native metals such as copper or gold.

What is ore used for?

Most of the world’s gold ore is used to create jewelry and decorative items. 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.

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Which of the following is an example of an ore deposit?

Four important ore deposits are commonly hosted in volcanic successions: volcanic-hosted massive sulfide (VHMS) deposits, komatiite-hosted nickel sulfide deposits, epithermal gold–silver deposits, and kimberlite-hosted diamonds. There are different reasons why these ore deposit types occur in volcanic successions.

What is the second step in finding an ore deposit?

The second step is processing. The recovered minerals are processed through huge crushers or mills to separate commercially valuable minerals from their ores. Once processed, the ore is then transported to smelting facilities.

What are sedimentary ore deposits?

Sedimentary processes form ore either through the selective removal of nonmetallic components or by concentration of metallic minerals. Examples include sedimentary beds rich in iron, manganese, and even lead, zinc, and copper. …

How is ore extracted from rock?

When miners find rock containing mineral ore, they first extract the rock from the earth. The rock is then crushed by powerful machinery. Metal is extracted from the crushed ore by one of two major methods: smelting or electrolysis. Smelting uses heat to separate the valuable metal from the rest of the ore.

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What is the third step in finding an ore deposit?

Mining operations The operation of the mine is the third step. It involves extracting ore from the deposit and processing it to obtain mineral products of value to society, such as metals. The ore is then sent to a processing plant where it is crushed and ground into fine powder.