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PHSC 211 LIBERTY UNIVERSITY 250 PRACTICE EXAM QUESTIONS AND CORRECT ANSWERS FOR PHSC 211 MIDTERM EXAM AND PHSC 211 FINAL EXAM 2025 TEST BANK (NEW!)$25.99
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PHSC 211 LIBERTY UNIVERSITY 250 PRACTICE
EXAM QUESTIONS AND CORRECT ANSWERS
FOR PHSC 211 MIDTERM EXAM AND PHSC 211
FINAL EXAM 2025 TEST BANK (NEW!)
The mineral quartz is ________________ - ANSWER-The most abundant mineral
in the earth's crust
Which environment of deposition typically evidences poorly-sorted particles? -
ANSWER-Glacial
High-temperature metamorphism caused by molten rock coming into contact with
pre-existing rock is known as ________ metamorphism - ANSWER-Galena,
pyrite, magnetite, and some varieties of hematite
This principle of relative dating states that in a sequence of sedimentary rocks, the
oldest rocks are typically on the bottom with younger beds on top - ANSWER-The
principle of superposition
This chemical sedimentary rock is composed almost entirely of tiny calcite spheres
- ANSWER-Oolitic limestone
The decay chain for Uranium-238 consists of______ decay steps - ANSWER-21
Effervescence ("fizzing" in the presence of acid) is a unique property of what
mineral? - ANSWER-calcite
pg. 1
,The following statements are true of all metallic minerals except which? -
ANSWER-They evidence the property of magnetism
All of the following are mineral except? - ANSWER-Coal
The minerals dolomite and calcite are the best distinguished from one another by
______________ - ANSWER-An acid test
Gold settles to the bottom of a miner's pan because of its ___________________ -
ANSWER-High specific gravity
Any object with a specific gravity of less than 1 will ___________ - ANSWER-
Float
Minerals that have the element ____________ in their chemical composition may
have an odor akin to that of rotten eggs. - ANSWER-Sulfur
The gas released when weak acid reacts with calcite is oxygen - ANSWER-False
All magnetic minerals will have the element of iron in their chemical composition -
ANSWER-False
The largest commercial use of the mineral halite is table salt - ANSWER-True
The fingernail can scratch calcite - ANSWER-False
The mineral scale of hardness was named after the famous scientist Von Verner -
ANSWER-False
pg. 2
,Crystal shape refers to how a mineral breaks - ANSWER-False
Halite has 3 planes of cleavage of 90 degrees - ANSWER-True
Biotite and Muscovite each have one plane of cleavage - ANSWER-True
The specific gravity of the mineral is estimated by moving the mineral from hand
to hand - ANSWER-True
The mineral talc is 1.0 on hardness scale and has a soapy feel to it. - ANSWER-
True
What mineral composition is most characteristic of felsic rocks? - ANSWER-
Orthoclase, quartz, and biotite
What mineral composition is most characteristic of mafic rocks? - ANSWER-
Olivine, pyroxene, and calcium-rich plagioclase
What mineral composition is most characteristic of intermediate rocks? -
ANSWER-Sodium-rich plagioclase and hornblende with some quartz or biotite
When mafic lava breaks through fissures in the continental crust, which of the
following results? - ANSWER-Lava Plateaus
Which scenario is associated with mafic magma? - ANSWER-Hot, fluid lava that
forms a shield volcano
pg. 3
, Which scenario is associated with felsic magma? - ANSWER-an explosive
eruption that ejects pyroclastic minerals
If 2,000 atoms of 206Pb are found in a mineral sample, the how many helium
atoms were produced? - ANSWER-16,000
Mount Fuji and Mount St. Helens in the western United States are examples
of__________ - ANSWER-Stratovolcanoes
The color of a mineral's powder is known as_______ - ANSWER-streak
Which of the following pairs does NOT go together? - ANSWER-Phyllite, High-
grade metamorphism
Pumice and scoria are easily identifiable because of their_________ textures -
ANSWER-Vesicular
The first minerals to crystallize as a magma cools tend to be________ - ANSWER-
Olivine & pryoxene? Calcium plagioclasts
Uranium-238 radioactively decays into___________ - ANSWER-None of the
above/thorium-234
This is an unconformity where younger sedimentary rocks overlie older igneous or
metamorphic rocks. - ANSWER-Disconformity
Which of the following is NOT true of the mineral quartz? - ANSWER-It is always
colorless
pg. 4
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