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GEOL 1101 final

Terms in this set (48)

What is the mineral property that refers to the way a mineral reflects light?
Luster
What is the mineral property that refers to how some will break along flat surfaces?
Cleavage
Which mineral property refers to the shape of the mineral when it is allowed to grow without limits on space?
Cystal Form
What is the mineral property that refers to a minerals resistance to scratching?
Hardness
What mineral property is defined as the weight of the mineral divided by the weight of an equal volume of water?
Specific Gravity
In an igneous rock, what is indicated by a porphyritic texture?
The rock had a period of slower cooling followed by a period of faster cooling.
What is the name of the volcanic rock that is made of solid volcanic glass?
Obsidian
How do we classify a detrital sedimentary rock that contains small, rounded cobbles?
Conglomerate
What is the most common chemical sedimentary rock?
Limestone
Which of the following places the foliated metamorphic rocks in order of increasing grade of metamorphism starting with their parent rock?
Shale, Slate, Phyllite, Schist, Gneiss
On a map, what is the declination?
The difference in direction between true north and magnetic north.
On a topographic map, what does green indicate?
vegetation
On a topographic map, what color is used to indicate revisions
purple
If a map's scale says 1:36,000, then 1 inch on the map = __________ ______ in the real world.
36,000 inches
Which of the following is a correctly written set of map coordinates?
31º 55' 22" N, 99º 44' 32" W
What are the location and date (bottom of the screen) given in the opening scene? (Mark all that apply.)
Colorado
August 9
What is the weather in the first scene?
Snowy and dark
What VEI ranking indicates a supervolcano?
8
What was the sure sign of an impending volcanic eruption?
Harmonic tremors
What are the two types of eruptions and which moves faster? (Select all that apply.)
Red and gray
How does Dave die?
Gets crushed when his roof collapses under the weight of the ash
How does Rick Lieberman die?
He doesn't die. Rick survives the eruption.
Which law tells us something happened to layers A - H after they were deposited?
Original Horizontality
What law might be used to determine the relative age of K with respect to the other rock units? (Select all that apply.)
Inclusions
Cross-Cutting Relationships
Which law would you use to determine the relative ages of layers I and
Superposition
The unconformity between units B and C in this diagram is primarily which type of unconformity?
Disconformity
A rock contains a radioactive isotope with a half-life of 600 million years. There is 1/32 of the original amount of this isotope left in the rock. How old is it?
3,000 million or 3 billion years
In the figure above, letter E indicates
wave trough.
Waves in the open ocean have a wavelength of 40 meters and a period of 5 seconds. What is their velocity?
8m/sec
What are these bays called?
Estuaries
This graph shows a pattern that is characteristic of a ________ tide
diurnal
The figure shows Earth and four potential positions for the Moon. In which position(s) would neap tides be created.
Both A and C
The Sun is directly above what line of latitude on December 21-22?
The Tropic of Capricorn
What do they call September 22-23 in the southern hemisphere?
The Vernal equinox
How many hours of daylight will we experience, here in Laredo, on March 21-22?
12 hours
On the first day of summer the amount of daylight at the North Pole is ____ hours.
24 hours
The relative humidity of air that contains 14g of water vapor per kg of air and has a temperature of 25º C would be ____.
70%
If a parcel of air with a dew point of 10º C and a starting temperature of 35º C, were to start to rise, condensation would start at an altitude of ____________ meters.
2500 meters
When was the first recorded observation of the sky with a telescope?
1609
Who created the first mirror-based telescope?
Newton
Who discovered Uranus?
Herschel
Who discovered that Saturn's rings were made up of smaller rings?
Cassini
Who discovered that Venus goes around the Sun?
Galileo
In 1903, a new observatory was created. Its name was
Mt Wilson Observatory
The astronomer Edwin Hubble in 1928showed that the universe was expanding by
measuring "Red Shifts"
Using a radio telescope, in 1964 Penzias & Wilson were the first to
the afterglow of the fireball at the beginning of the universe.
The current known age of the universe, 13.7 billion years, was measured with greatest precision by which space telescope?
WMAP
One of Hubble telescope's discoveries is that over 72% of the universe is composed of
dark energy
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