Geol 102 Earth Materials - University of Vermontgdrusche/Classes/GEOL 110 - Earth...Class Goals...
Transcript of Geol 102 Earth Materials - University of Vermontgdrusche/Classes/GEOL 110 - Earth...Class Goals...
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Geol 110
Earth Materials
Lecture: MWF 12:50- 1:40 p.m.
Lab: T 8:30 – 11:15 am OR Th 2:30 – 5:15 pm
Professor: Greg Druschel
Office: Delehanty 321
Office Hours : WF 2:30 – 3:30 pm
T.A.: Kyle Ashley
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Class Goals
• Recognize major rock-forming minerals and other
selected minerals in hand specimen and thin
section
• Master use of several techniques for the
identification of minerals using the petrographic
microscope, Raman spectrometer, XRD, and XRF
• Develop the ability to relate crystal chemistry,
crystallographic alignment, and physical attributes
of a mineral to guide identification and assess a
mineral’s origin and history
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Grading
• Laboratories 30%
• Lab exam 10%
• Mid-term exam 20%
• Final exam 20%
• Homeworks 10%
• Participation 10 %
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What is a mineral??
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Structure of the Earth
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Volcanic provinces
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Lava
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Mt. Pinatubo
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Basalt flows
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Plutons
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Intrusions
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Metamorphic settings
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Orogenic settings
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Ore deposits
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Oil
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Sedimentary deposition
• Weathering of any rock and transport of that
material to lower E environment followed by
lithification yields sed. rx
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Depositional settings
• Keyed to transport of
physical/ chemical
components of parent
material
• Tells 2 stories – who
were the parents and
how far away did it
go?
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Chemical deposition
• Formation of minerals
from aqueous solution
requires some
change in
environment for the
ions to precipitate
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Fossils• Here parent material were organisms – usually
ones that were partially composed of a durable
mineral material
• Requires a special depositional setting
– Quick burial, fine/ chemical covering, replacement
reactions
• Also tell us approximate age of deposition
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Biominerals
• Microorganisms may
also have a significant
impact on mineralogy!
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A word about classification…
• Umbrella terms
• Mineral nomenclature similar to the
taxonomy of animals, plants, and microbes