metamorphic b

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Louisiana State University *

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1602

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Geology

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Apr 3, 2024

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pdf

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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
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