Exam 4 Flashcards
Kimberlite pipes
Used to mine diamonds
Resource vs. Reserve
Reserve is available now
Gold
Usually found in sedimentary rocks if in a bed stream
Cyonide
Used to extract gold
Water pollution & mines
Water runs through mines and causes ground water to be polluted
Surface mining is more commonly used because
It’s more economical
Smelter emission
Put out S02 and nitrate which produces acid rain
Why is iron and steel recycled at a high rate
Huge market for them
What mining process has a least harmful impact on the environment
Exploring and testing
Metal ore usually extracted through weathering processes
Aluminum
Itide disease
3 minerals (lead, zinc, etc.)
Relationship between biotechnology and mining
Increase mine waves with biotechnology
What is coal quality based on
BTO and temperature
How are fossil fuels formed
Dead things
What is the ultimate source of fossil fuels
Sunlight
What happened to energy consumption between 70s and 90s
Increased in a slower rate
Why are Methane hydrate a good fuel source
They are cleaner & more abundant (much more)
Why is coal usage been going up in the future
There is a lot available
Nuclear fusion vs. nuclear fission
Fission is the splitting of an atom into two or more atoms and fusion is the fusing of atoms in to a larger one
Nitrogen oxide and sulfur oxide
Produce acid rain
What kind of problems do particulus cause if in the air
Respiratory problems
Volcanic eruptions
Can cause a year without a summer & impacts crops
Eric the red
Was able to sail to Greenland because of the period of warming
Love canal
Was a place where they dumped and Barrie’s hazardous chemicals and turned it into a subdivision
