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Thursday February 2, 2012. (Mineral Resources). The Launch Pad Thursday, 2/2/12. What is the most common group of minerals?. the silicates. The Launch Pad Thursday, 2/2/12. Name two examples of non-silicate oxides. sapphire and ruby. Name two examples of non-silicate sulfides .

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thursday february 2 2012
ThursdayFebruary 2, 2012

(Mineral Resources)

slide2

The Launch Pad

Thursday, 2/2/12

What is the most common group of minerals?

the silicates

slide3

The Launch Pad

Thursday, 2/2/12

Name two examples of non-silicate oxides.

sapphire and ruby

Name two examples of non-silicate sulfides.

galena and pyrite

Name two examples of non-silicate sulfates.

gypsum and baryte

Name two examples of non-silicate carbonates.

calcite and malachite

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mineral resources
Mineral Resources

Mineral resources are Earth’s storehouse of useful minerals that can be recovered for use.

Mineral reservesare already-identified deposits of minerals that can be extracted.

Ores are useful metallic minerals that can be mined at a profit.

Economic factors may change and influence a resource.

metallic mineral resources
Metallic Mineral Resources

Gold, silver, copper, mercury, and lead are examples of metallic mineral resources.

Concentrations of these desirable materials are produced by both igneous and metamorphic processes.

metallic mineral resources1
Metallic Mineral Resources

The most important metallic ore deposits are generated from hydrothermal (hot-water) solutions.

These hot solutions contain metal-rich fluids, and are associated with cooling magma bodies.

metallic mineral resources2
Metallic Mineral Resources

These types of deposits include:

  • vein deposits in fractures or bedding planes.
metallic mineral resources3
Metallic Mineral Resources

These types of deposits include:

  • disseminated deposits which are distributed throughout the rock

Disseminated Chalcopyrite and Pyriteina Chlorite Matrix

Heavily disseminated cubic pyrite in black stilpnomelane

non metallic mineral resources
Non-Metallic Mineral Resources

Non-metallic mineral resources make use of the material’s

nonmetallic physical and chemical properties.

non metallic mineral resources1
Non-Metallic Mineral Resources

Two broad groups of non-metallic mineral resources:

  • Building materials (e.g., limestone, gypsum)
non metallic mineral resources2
Non-Metallic Mineral Resources

Two broad groups of non-metallic mineral resources:

  • Industrial minerals (e.g., fluorite, corundum, sylvite)
mineral resources1
MineralResources

The annual per capita consumption of nonmetallic and metallic resources for the U.S. is about 12 tons. About 97% are nonmetallic. Energy resources (oil, coal, and natural gas) exceeds 12 tons.

slide18

Final Question

  • By what process are the most important metallic ore deposits generated?
  • These deposits are generated from hydrothermal (hot-water) solutions, which contain metal-rich fluids, and are associated with cooling magma bodies.