GIA Diamonds and Diamond Grading: Assignment 3 Questions With 100%Correct Answers!!

GIA Diamonds and Diamond Grading: Assignment 3 Questions With
Correct
100% Answers!!

1. What layer of the earth includes continental
and oceanic components? B. Crust
A. Core
B. Crust
C. Transition zone
D. Upper mantle

2. Where do most superdeep diamonds form?
A. Pipes D. Lower mantle
B. Outer core
C. Oceanic crust
D. Lower mantle

3. How does metasomatism affect lithospheric
diamond formation? C. Removes oxygen
A. Supplies heat
B. Transports rock
C. Removes oxygen
D. Provides hydrogen

4. What causes the movement of the earth's plates?
A. Volcanism
D. Mantle convection
B. Subduction
C. Metasomatism
D. Mantle convection

5. How are igneous rocks formed?
A. In gas
C. From a molten state
B. By erosion
C. From a molten state
D. By heat and pressure


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