Geology Flashcards
What are 5 common types of metals?
Fe,Al,Cu,Pb, Zn
- Iron
- Aluminum
- Copper
- Lead
- Zinc
Which 4 countries are responsible for the largest iron ore production?
AUIBC
- Australia
- India
- Brazil
- China
How are metals formed?
Within stars
T/F: Most elements are found in the rocks and soil all over Earth
True!
Elements with high and low atomic numbers are correlated with the elements’ __________
Abundance
Elements (metals) that range from 1-26 are more _________ than metals that go beyond 26 (Iron)
Abundant
Economic value is typically correlated to __________
Abundance
Metals are obtained from _________
Minerals
What are minerals?
Naturally occurring inorganic solids that have distinct chemical compositions
We destroy ______ to obtain ________.
Minerals; metals
What is nuclear fusion?
The process in which atoms combine together to make a larger molecule
T/F: Nuclear fusion hardly releases any energy
False! It actually releases a lot of energy!
What is nucleosynthesis?
The cosmic formation of atoms that are more complex than hydrogen atoms
What is a supernova?
The violent explosion of a star and the subsequent ejection of material into space
What are valence electrons?
Electrons that are found in the outermost electron shell of an atom
T/F: The number of electrons in an atom’s outermost valence shell governs its bonding behavior
True
What are native elements?
Pure elements that occur naturally in mineral form (gold, copper, silver, etc)
What are the 2 main elements that a majority of metals bind with?
- Sulfur (sulfides)
- Oxygen (oxides)
What are ores?
Rocks/minerals that contain desirable elements in high concentrations and in a form that can be easily mined, extracted and profitable
What is grade?
The content of a valuable material (metal) in a rock; usually expressed as a percentage by weight
T/F: Many minerals have high grades
False; many minerals have low grades. Gold is an exception to this; it has a high grade.
What is a concentration factor?
The enrichment of an ore that is needed to be made profitable through mining
Geologic processes can be concentrated in 5 different ways:
- Igneous process
- Metamorphic activity
- Sedimentary processes
- Biological processes
- Weathering/soil development
Plate tectonics play a major role in the ________ and _________ of geologic resources
Distribution; concentration
What is the “Hubbert Curve”?
A simulation of the approximate production rate of a resource over time
T/F: The Hubbert Curve applied to the production of whale oil and coal
True
What are “Black Smokers” and where are they found?
Ore factories of the deep found in mid-ocean ridges
Why should we mine the moon?
For water, helium and rare earth metals
The oldest tin alloy bronzes date back to what two years?
3500 to 4500 BC
Bronze hammers are good to use around flammable vapors because….
They don’t spark
What is the primary metal in pennies made today?
Zinc
26% of the Earth’s crust is made up of which metal? (As an oxide or silicate)
Silicon
Lead is harmful to _________
Everybody
Which of the following regulates the international standards of impurities in cosmetics?
There are no standards
Which of the following did Roman cooks use to sweeten food and wine?
Sapa
The Romans that ingested the most lead were the ___________?
Aristocrats
The region studied in the Global demand for gold paper was in ______ ________.
South America
Gold mining can impact surrounding ecosystems through which 3 things?
- Use of mercury
- Degradation of vegetation
- Increasing sedimentation rates
What country purchases the most gemstones?
The United States
What kind of gemstone do U.S. consumers spend most of their money on?
Diamonds
The recipe for glass is fundamentally ___ ____ ____ it was in Ancient Egypt, Rome and Persia
The same as
___________ mining is the extraction of stone, sand, rock, or similar materials from natural deposits
Nonmetallic
Who regulates nonmetallic mining in Wisconsin?
County and local zoning bodies
What mineral is often used as an indicator mineral to help find diamonds?
Garnets
Which of the following is NOT a major type of pottery?
Porcelain
Earthenware
Stoneware
Sintered ceramics
Sintered ceramics
Limestone is composed of _____ ______
Calcium carbonate
What is the cheapest method for shipping limestone?
By barge on water
When an area of suitable and mineable rock is swallowed up by urban growth or when mining becomes prohibited by legislation or zoning, the result is called _________ __________
Resource sterilization
Where is gold primarily found (outside of the United States)?
South Africa, Russia, Australia & Canada
Where is gold found within the United States?
Alaska and Nevada
Where can you find Lithium?
Brines, such as salt flats and saltwater lakes, tectonic boundaries & places where igneous activity occurs
Outside of the US, where is Magnesium found? (6 different countries)
China, North Korea, Brazil, Greece, Russia & Austria
Where is mercury produced in the US?
California
What countries is Mercury located in?
Albania, Peru, Italy, Spain, Slovenia, China, Chile & Kyrgyzstan
Which countries is Palladium found in?
South Africa, Russia & Canada
Where can you find Potassium?
Canada, China, Russia, Belarus, Germany, Israel, US
Where can you find Radium?
In nature; rocks, waters, soils, plants
T/F: Radium is not a naturally occurring element
False; it is naturally occurring!