metamorphic b
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School
Louisiana State University *
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Course
1602
Subject
Geology
Date
Apr 3, 2024
Type
Pages
3
Uploaded by DeanAlpaca4105
What are the three types of plate boundaries?
Divergent, Convergent, Transform
True or False: At a convergent boundary, two plates meet with one plate going under
the other.
True
A Hotspot is:
a. Volcanism resulting from a convergent boundary.
b. A fixed point where upwelling of hot mantle rock occurs, causing volcanism.
c.A moving point where upwelling of hot mantle rock occurs, causing volcanism.
d.A result of oceanic crust subducting under the oceanic crust.
b. A fixed point where upwelling of hot mantle rock occurs, causing volcanism.
To determine how fast a plate is moving over a hotspot, you should plot _______ and
calculate the _________.
a. Distance (km) over time (Ma), Slope
b. Distance (km) over rate (mm/yr), Time(Ma)
c. Thickness(km) over time(Ma), Distance(km)
a. Distance (km) over time (Ma), Slope
Mountain building events are caused by what Plate Boundary?
a. Transform Boundary
b. Continent-Continent Boundary
c. Oceanic-Oceanic Boundary
Continent-Continent Boundary
True or False: A mineraloid appears to be a mineral, but lacks a repeating internal
structure.
True
Which of the following minerals are metallic?
a. Hematite, Magnetite, Galena
b. Hematite, Tourmaline, Feldspar
c. Hematite, Magnetite, Feldspar
a. Hematite, Magnetite, Galena
What mineral group has a streak test that is often diagnostic?
a. Vitreous Minerals
b. Metallic Minerals
c.Silicate Minerals
b. Metallic Minerals
True or False: Ice is classified as a mineral.
True
_____ will scratch a Diamond.
a. Corondum
b.Nothing
c.Talc
d.Touramline
d. Nothing
True or False: Bowen's reaction series posits that minerals with a LOW melting point will
crystalize first, and minerals with a HIGH melting point will crystalize last.
False
True or False: Phaneritic texture refers to FINE-grained minerals, that crystallized
RAPIDLY
False
Porphyritic texture refers to:
a. Very Small Grains
b. Fast cooling extrusive
c. Slow cooling intrusive
d. Very Large Grains
d. Very Large Grains
True or False: Primary minerals crystalize during magma cooling, these two types are
described as essential and accessory.
True
The terms Felsic refers to a ______ color, while Mafic refers to a ______ color.
a. Blue, Red
b. Opaque, Translucent
c. Darker, Lighter
d. Lighter, Darker
d. Lighter, Darker
True or False: A High energy environment will produce rocks with small and rounded
grains
False
Two types of weathering are:
a. Mechanical, Chemical
b. Chemical, Organic
c. Mechanical, Physical
a. Mechanical, Chemical
The different sediment transport methods are:
a. Water, Fire, Glacier
b. Earth, Fire, Water, Wind
c. Water, Wind, Glacier
C. Water, Wind, Glacier
Coal, Limestone, and Chert are examples of what rock type?
a. Clastic
b. Chemical
B. Chemical
True or False: Sandstone, Shale, and Conglomerate are examples of clastic rocks
True
An index mineral is:
a. A mineral that can assist in determining the P/T conditions of the melt
b. A mineral that can assist in determining the composition of the melt
a. A mineral that can assist in determining the P/T conditions of the melt
True or False: A Foliated Metamorphic rock has minerals that are oriented in a particular
direction. (Typically striped appearance)
True
True or False: A schistose granitic rock likely has a higher metamorphic grade than a
Gneissic rock
False
Regional Metamorphism would likely have: __________ as a result of an orogenic
event.
a. High temperature low pressure conditions
b.High pressure varying temperature conditions
b.High pressure varying temperature conditions
True or False: Contact Metamorphism occurs with High Temperature, High Pressure
conditions
False
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