1.
Which one of the following minerals does NOT contain silica tetrahedrons?
A
quartz
B
muscovite
C
halite
D
orthoclase
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Which one of the following minerals does NOT contain silica tetrahedrons?
quartz
muscovite
halite
orthoclase
Which of the following terms is used to describe the appearance of a mineral in transmitted light? Is it:
diaphaneity (pron: die-ah-fah-na-ah-tee)
translucence
opaqueness
porosity
Which of the following minerals is noted for its one perfect cleavage?
calcite
muscovite
quartz
pyrite
Which of the following minerals is NOT a silicate?
orthoclase
muscovite
augite (pron: aw-jIt)
magnetite
Which of the following gases is given off in the acid test of a carbonate mineral?
chlorine
nitrogen
carbon dioxide
sulfur dioxide
Which of the following energy sources does NOT originally come from the Sun?
Ocean thermal energy conversion
geothermal
hydroelectric
wind
What percentage of the earths atmosphere does comprise?
50%
21%
32%
75%
What is the relative humidity when the absolute humidity is 3 grams per cubic meter and the air has a capacity of 12 grams per cubic meter?
9%
25%
400%
4%
The tanning rays of the sun are called:
visible light
ultraviolet rays
gamma rays
infrared rays
The solidified lava of a volcano belongs to which rock family? Is it:
metamorphic
sedimentary
fossilized
igneous
The ice sheet that covered northeastern United States came from which of the following locations?
Keewatin center in central Canada
Cordilleran center in the Rocky Mountains
Greenland
Labrador center in eastern Canada
The concentration of carbon dioxide in the atmosphere is in the range of:
10-100 parts per million
100-1000 parts per million
1000-10,000 parts per million
1-10 parts per million
Shiprock in New Mexico is a:
volcanic neck
cinder cone
caldera
laccolith
Of the following, the rock that is most resistant to both chemical and mechanical weathering is:
limestone
marble
quartzite
shale
In geological studies, all of the following are TRUE of P waves except that they:
travel like sound waves
can pass through liquids
are slower than S waves
are body waves
In geological studies, a dome shaped intrusion is called a:
laccolith
nuee ardente
caldera
volcanic neck
Iceland has a great deal of volcanic activity. The reason for this is:
it is part of the Ring of Fire.
two tectonic plates are rubbing against each other under Iceland.
the American plate is diving under the European plate in this region.
it was formed above a mid-ocean rift.
Global climate change is being attributed to the atmospheric increase in what two gases produced by human activities?
ozone and methane
nitrous oxide and sulfur dioxide
methane and carbon dioxide
oxygen and hydrogen
Fine parallel lines, or striations, are most likel to be seen on a cleavage surface of which of the following minerals?
orthoclase
hornblende
plagioclase (pron: play-gee-o-klase)
quartz
A volcano which is composed of lava flows and pyroclastic material and which is steep-sided and very tall is known as:
Composite cone
Anticline
none of these
Syncline