問題一覧
1
Which of the following minerals can scratch Topaz?
Corundum
2
The non clastic sedimentary rock chiefly made of calcium carbonate is
Limestone
3
The fastest wave to travel from the earthquake source is
The Compression wave
4
The igneous rock with a very low specific gravity is:
Pumice
5
Which is A (the other answer is B)
Epicenter
6
The movement of plates is due to temperature gradient:
True
7
The age of the Earth has been estimated as roughly
4.6 billion years
8
The process not associated with diagenesis is
None of the above
9
Indicate the mineral least likely to be present in sands and sandstones
Gypsum
10
An igneous rock is light in color and is very fine in texture. This rock is possibly
Extrusive and Felsic
11
A residual soil layer is formed when residues of weathered and eroded rock are transported and deposited by a transportation agent (ex. Wind, water, glaciers, gravity…)
False
12
An igneous rock which has a very high Silica Content is referred to as:
Felsic
13
The rock you see in the picture below is
Igneos
14
The hardness of a mineral is in large part due to the type of bonding between the atoms in its crystalline structure.
True
15
P waves radiate from the earthquake source and travel along the earth’s surface
False
16
Which of the following is not true about the Asthenosphere ?
It is in solid state
17
The difference between the richter magnitude and the moment magnitude is that the first is related to the amplitude of horizontal shaking whereas the second is related to the amplitude of rotational shaking
false
18
Chemical weathering can change hard rock into a soft soil. The best example is the weathering of limestone into clay by hydrolysis
false
19
The layer within the earth that does not transmit the S-waves is the
Outer core
20
Pick the factors that are allowing the rock seen in the picture below to float
Presence of large voids (pores) within the rock itself making its overall density lower than that of water. The voids (pores) within the rock are not interconnected.
21
When an oceanic plate converges with a continental plate, the collision results in mountain building leading to the largest mountains on earth.
False
22
Quartz is found in which type of rock?
Sedimentary and Metamorphic
23
Quartzite is formed from which rock?
Pure sandstone
24
In a radiometric dating test, the amount of parent material found was 12.5% and the amount of daughter material was 87.5%. How many half-lives of the radiometric element have passed?
3 half lives
25
The process not contributing to the formation of classic rocks is
Oxidation
26
Mid-Ocean Ridges are features associated primarily with:
Divergent Plate Boundaries
27
The movement of plates is due to temperature gradient
True
28
Given the image below, the following can be said about the age of the rocks shown:
The Sandstone is older than the Granite
29
On average the earth is 3.5 times denser than water. Near its surface (crust) the density is closer to 2.7 times that of water.
false
30
The bonds that hold the crystalline structure of NaCl are Covalent bonds
False
31
Earthquakes originating from focal points 500km deep are very common
False
32
Which is the finest among the following ?
Clay
33
Pick the condition that is not necessary to produce liquefaction during an earthquake:
Deep soil
34
Oceanic Divergent plate boundaries are typically associated with
ridges
35
The fact that Lebanon has a lot of Limestone rocks indicates that Lebanon must have been under water for a very long time in its geologic history.
True
36
Pick the rock which does not belong to the Igneous group:
None of the above
37
Marble is:
The product of Pressure metamorphism of limestone
38
The duration of an Earthquake increases as the magnitude of the EQ increases
True
39
High-Temperature and low rain intensity enhance weathering
False
40
Example of chemically formed sedimentary rocks is
Gypsum
41
The average current rate of movement of tectonic plates across Earth is roughly:
5 to 10 cm per year
42
what are the P and S waves collectively called?
Body waves
43
The diameter of the Earth is roughly
13000 km
44
The largest earthquake recorded in Lebanon over the past 100 years had a magnitude
Between 5 and 6
45
The deepest recorded earthquakes had depths of approximately
300 km
46
The hardness of a mineral depends upon
Atomic bonding
47
In the Paleozoic Era, which in Greek means the “Age of the Fish”, the only form of life present on earth were fish in Oceans, Rivers, and Lakes
False
48
Knowledge about the S-P interval from a recorded seismograph record allows for the determination of the magnitude of an earthquake
False
49
Two seismographs are enough to determine the location of an earthquake
False