thursday february 2, 2012
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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 . - PowerPoint PPT PresentationTRANSCRIPT
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ThursdayFebruary 2, 2012
(Mineral Resources)
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The Launch PadThursday, 2/2/12
What is the most common group of
minerals?the silicates
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The Launch PadThursday, 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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Assignment Currently Open
Summative or Formative
Date Issued
Date Due
Date Into
Grade Speed
Last Day
Project: Fossils S1 1/9 1/13 1/18 2/1
Lab – Fossils F4 1/12 1/12
Quiz 16 S3 1/20 1/23 1/20 2/6
Lab – Rock Identification 1/24 1/24
Video Quiz – Rocks and Mineral 1/26 1/26
Quiz 17 S4 1/27 1/27 1/27 2/10
Activity – Rock and Mineral Properties F 1/30 1/30
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AnnouncementsI will be available after school today until 5:00
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Latest News
http://news.discovery.com/space/exoplanet-gj667cc-120202.html#mkcpgn=rssnws1
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Mineral ResourcesMineral resources are Earth’s storehouse of useful minerals that can be recovered for use. Mineral reserves are 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.
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An underground halite (salt) mine
Figure 2.22
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Hematite, an ore of iron
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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 Resources
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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 Resources
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These types of deposits include:
–vein deposits in fractures or
bedding planes.
Metallic Mineral Resources
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These types of deposits include:
–disseminated deposits which are distributed throughout the
rock
Metallic Mineral Resources
Disseminated Chalcopyrite and Pyriteina Chlorite Matrix
Heavily disseminated cubic pyrite in black stilpnomelane
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Non-metallic mineral resources make use of the
material’snonmetallic physical and
chemical properties.
Non-Metallic Mineral Resources
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Two broad groups of non-metallic
mineral resources: •Building materials
(e.g., limestone, gypsum)
Non-Metallic Mineral Resources
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Two broad groups of non-metallic mineral
resources: •Industrial minerals (e.g.,
fluorite, corundum, sylvite)
Non-Metallic Mineral Resources
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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.
MineralResources
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Final QuestionBy 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.