Geochemically Scarce Metals
Unit (Chapter) Plan:
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of the Geochemically Scarce Metals
of Scarce Metals in the Crust
Minerals of the Scarce Metals
of Geochemically Scarce Metals by Usage
Lead in the Environment
Lead and Zinc
More than Zinc from a Zinc Mine
Gold Extraction using Mercury and Cyanide
Platinum Group Metals
Niobium and Tantalum
Arsenic, Antimony and Bismuth
Germanium, Gallium, and Indium Beryllium
Rare Earth Elements
of Deposits of the Scarce Metals
for Deposits of the Scarce Metals
Long-term Future for the Scarce Metals
here for a list of bullet points to help you learn the topics of this chapter.
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(things you must do):
Chapter Eight of your textbook
the news on Mining <http://www.northernminer.com/>
on this link <http://minerals.usgs.gov/minerals/pubs/commodity/recycle/>
to learn about Recycling Statistics and Information
Commodity Statistics and Information of:
Cobalt - http://minerals.usgs.gov/minerals/pubs/commodity/cobalt/
Copper - http://minerals.usgs.gov/minerals/pubs/commodity/copper/
Gold - http://minerals.usgs.gov/minerals/pubs/commodity/gold/
Mercury - http://minerals.usgs.gov/minerals/pubs/commodity/mercury/
Molybdenum - http://minerals.usgs.gov/minerals/pubs/commodity/molybdenum/
Nickel - http://minerals.usgs.gov/minerals/pubs/commodity/nickel/
Platinum group - http://minerals.usgs.gov/minerals/pubs/commodity/platinum/
Tin - http://minerals.usgs.gov/minerals/pubs/commodity/tin/
Vanadium - http://minerals.usgs.gov/minerals/pubs/commodity/vanadium/
Zinc - http://minerals.usgs.gov/minerals/pubs/commodity/zinc/
Rare Earths - http://minerals.usgs.gov/minerals/pubs/commodity/rare_earths/
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Acquired (what you learned):
By the end
of this chapter you should be able to:
Explain why the geochemically scarce metals do no exist in specific minerals
of these metals.
Compare and contrast the number and sizes od deposits of the scarce metals
with deposits of the abundant metals.
Identify the principal use of the ferro-alloy metals.
List the primary uses of chromium
Explain the origin of stratiform chromite layers.
Name the country that dominates chromium production and reserves.
Identify the principal use of vanadium.
Describe the principal mode of geologic occurrence of vanadium.
Name the metal that is added to steels to make them "stainless.
Identify the world's most important nickel deposits. Under what geologic
conditions have most major nickel deposits formed?
List the principal applications of molybdenum.
Name the major metals produced from the "Copperbelt" of central Africa.
Identify the metals used in the production of supermagnets.
Name the metal used as the filament of incandescent light bulbs. Explain
why this one metal.
Describe the major "base" metals. Why were they given the name "base"
Identify the world's most important types of copper deposits.How do they
Explain the reason why copper was one of the earliest metals used
by our ancestors.
Describe the formation of hydrothermal ore deposits.
Explain the origni of porphyry-type deposits.
Give a detail description of how stratiform ore deposits form.
List the primary uses of tin.
Name the only metal that is a liquid at room temperature. Describe the
geologic conditions under which it forms.
For what metals are the Mississippi Valle-type deposits mined?
Explain why gold is one of the first metals used by our ancestors.
Explain why gold commonly occurs in placer deposits, whereas few base or
ferro-alloy metals occur in this type of deposit.
State when and where was the greatest American gold rush. Who found the
gold, and who made the most money from the gold rush?
Locate where are the world's greatest gold deposits, and how did they form?
Name the country that is the leading producer of gold.
Identify the country that holds the greatest reserves od gold.
Identify the primary use of silver. Which countries are the primary
producers and holders of reserves of silver?
List the metals that constitute the platinum group. Why was platinum discarded
by the Spanish conquistadors? What are the principal uses of platinum today?Where
are the world's principal reserves of platinum?
Idenetify the principal uses of arsenic.
Idenetify the principal uses of bismuth.
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