GIA Diamonds and Diamond Grading: Assignment 3 Questionnaire; Questions & Answers 100% Solved
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Course
Diamond Essentials
Institution
Diamond Essentials
GIA Diamonds and Diamond Grading:
Assignment 3 Questionnaire; Questions &
Answers 100% Solved
What layer of the earth includes continental and oceanic components?
A. Core
B. Crust
C. Transition zone
D. Upper mantle Correct answer-B. Crust
Where do most superdeep diamonds form?
A. Pipes
...
GIA Diamonds and Diamond Grading:
Assignment 3 Questionnaire; Questions &
Answers 100% Solved
What layer of the earth includes continental and oceanic components?
A. Core
B. Crust
C. Transition zone
D. Upper mantle Correct answer-B. Crust
Where do most superdeep diamonds form?
A. Pipes
B. Outer core
C. Oceanic crust
D. Lower mantle Correct answer-D. Lower mantle
How does metasomatism affect lithospheric diamond formation?
A. Supplies heat
B. Transports rock
C. Removes oxygen
D. Provides hydrogen Correct answer-C. Removes oxygen
What causes the movement of the earth's plates?
A. Volcanism
, GIA Diamonds and Diamond Grading:
Assignment 3 Questionnaire; Questions &
Answers 100% Solved
B. Subduction
C. Metasomatism
D. Mantle convection Correct answer-D. Mantle convection
How are igneous rocks formed?
A. In gas
B. By erosion
C. From a molten state
D. By heat and pressure Correct answer-C. From a molten state
What does basaltic rock change to in the mantle during subduction?
A. Eclogite
B. Peridotite
C. Lamproite
D. Kimberlite Correct answer-A. Eclogite
What is an example of a superdeep diamond?
A. Crustal
B. CLIPPIR
C. Carbonado
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