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Two methods to mine minerals are surface mining, which involves removing rocks and soil to access the mineral deposit on the surface, and underground mining, which involves tunnels and shafts to reach deeper mineral deposits. Each method has its own environmental and safety considerations.
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What are two minerals used to make gems?
Two minerals commonly used to make gems are diamonds, which are composed of carbon, and rubies, which are composed of corundum with traces of chromium. These minerals are highly valued for their beauty, rarity, and durability, making them popular choices for gemstone jewelry.
What are two broad categories of nonmetallic mineral resources?
butter
What are the two parts of lift that go down in the mine called?
The two parts of a lift that go down in a mine are called cages. These cages are used to transport miners and equipment up and down the shaft.
What are the two main families of rock forming minerals?
The two main families of rock forming minerals are silicate minerals and non-silicate minerals. Silicate minerals are the most abundant and include minerals such as quartz and feldspar, while non-silicate minerals include groups like carbonates and sulfates.
List two uses for metallic minerals?
Metallic minerals can be used for making appliances, electronics and machinery due to their conductivity and strength. Metallic minerals are also used in construction and building materials because of their durability and ability to withstand various environmental conditions.
What two methods are used to remove rocks and minerals from the ground?
Two common methods used to remove rocks and minerals from the ground are surface mining, where machinery is used to extract materials from the surface, and underground mining, where tunnels are dug to access deposits deep underground. Both methods have different environmental impacts and safety considerations.
What are two main reasons to mine for minerals?
Most mineral ores are under the surface. Mining minerals can be profitable.
What are two items used to classify minerals?
Luster and composition are two characteristics used to classify minerals.
What are the two methods used to mine coal out of the ground so that you can use it to make electricity?
The two methods used to mine coal are surface mining and underground mining. Surface mining involves removing topsoil and rock layers to access coal deposits near the surface, while underground mining involves tunneling deep beneath the ground to extract coal deposits.
What two common methods are used in military planning?
The two most common methods used in military planning are forward planning and backward planning.
One of the earliest methods used to print illustrations was?
Engraving on copper plate. Then lithography. There were two methods that is used to print illustrations. The two earliest methods were engraving on copper plate and lithography.
What are the two methods of sexual reproduction Used by pea plant?
Cross-pollination and Self-pollination are the two methods used by pea plants in sexual reproduction
What are two non metallic minerals used for?
roads and buildings
What are two examples of index minerals?
Two examples of index minerals are kyanite and staurolite. These minerals are used by geologists to determine the metamorphic grade of a rock based on their presence and abundance.
What are two examples of land enviromental impact on a mine site?
One example is soil contamination, such as when heap leach methods are used for extracting metals. Another example is erosion due to the removal of surface vegetation.
What two methods did James Madison suggest a society can use to protect minority rights?
the two methods used were the constitution and the bill of rights
What are the two common methods in military planning?
The two most common methods used in military planning are forward planning and backward planning.
