Kingdom of Saudi Arabia
Ministry of Higher Education
Majmaah University
College of Engineering
Department: Engineering Geology
Exam Information
Course code:
Instructor:
Section number:
Exam time:
Exam hall:
Number of pages:
First Exam
GE 101
Course Title: Engineering Geology
Eng. Yahya Al-Jahmany
549
Exam date:
9 November 2014
From:
2:00 pm
To:
3:30 pm
2D 060
4
Total score:
20 points
Student’s Information
Name:
ID:
Exam Instructions:

Read the questions carefully and several times. Writing clearly will make it possible to
assess your answers correctly.
 Any form of cheating, intention to cheating, or disruption of the exam will subject you to
a disciplinary action as specified by the university’s regulations.
 Carrying or using the mobile phone during the exam is not allowed. Using the phone
during the exam will carry a disciplinary action.
 The calculator is only permitted by the exam supervisor.
 No student can leave the exam room during the first half hour of the exam. Any student
coming after the first half hour of the exam will not be permitted to enter the exam.
 A student leaving the exam, even for legitimate reasons, may not be given a makeup
exam.
Points Earned:
Question
1
2
3
Total score in the exam:
Score
Question
4
5
6
Score
Dear student, we encourage you to answer the exam the best you can and we wish you all
success.
Question #1
(2.5 marks)
1.1) Put a circle on all the most correct answers:
1) Basalt rock is described regarding grain size:
a.
Fine
b.
Coarse
c.
Moderate
d.
Volcanic
2) "Sylvite" is a minerals that is classified under the mineral group of:
a.
Oxide
b.
Halide
c.
Sulfide
d.
Sulphates.
3) A rock with highest percent of silica is named:
a.
Ferric
b.
Felsic
c.
Mafic
d.
Ultramafic
4) An example of an igneous rock of intrusive and mafic composition is:
a.
Mafic
b.
Basic
c.
Intermediate
d.
Acidic
5) An example of a sedimentary rock resulted from (Evaporation):
a.
b.
Limestone
Rock Gypsum
1.2) check if the following statements are TRUE OR FALSE.
(2.5 marks)
a) Rhyolite is an example of extrusive and mafic igneous rocks.
b) Sedimentary rocks are crystallized and consolidated from magma.
c) Intrusive igneous rocks have fine grain size.
d) Limestone is an example of "Arenaceous" sedimentary rocks.
e) Shale is an example of "Argillaceous" sedimentary rocks.
Question #2
(4 marks)
2.1) Mention three aspects that Geochemistry science studies:
1.
2.
3.
2.2) Fill in the blanket space with the most appropriate answer
1. (
space.
) is the study of physics of earth and environment of
2. (
) and (
the biologic weathering.
) are good examples weathering for
3. (
) and (
the physical weathering.
) are good examples weathering for
4. (
) is an example of a rock of high permeability.
5. Faults, folds and joints are examples for geologic (
).
Question #3
(6 marks)
3.1) Correct the following statements
1) Earth science is the study of the constituents of the earth mantle and core.
2) Mining is a sub section under the historical geology.
3) A mineral is considered heavy in weight if it has a specific gravity of more than the
value (3).
4) A mineral that has a high magnetism property is called Diamagnetic.
5) Chlorite is the mineral that is considered an example for organic mineral group.
6) Igneous rocks are formed during the cooling and liquefaction of magma or lava.
Question # 4
(6 marks)
4.1) Define the following terms:
1. Dynamic Geology.
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
2. Hypabyssal Igneous Rocks:
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
3. Ultramafic Rocks.
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………
……………………………………………………………………………………………………………