GIA Diamonds and Diamond Grading:
Assignment 3 Questionnaire
What layer of the earth includes continental and oceanic components?
A. Core
B. Crust
C. Transition zone
D. Upper mantle - Answer-B. Crust
Where do most superdeep diamonds form?
A. Pipes
B. Outer core
C. Oceanic crust
D. Lower mantle - Answer-D. Lower mantle
How does metasomatism affect lithospheric diamond formation?
A. Supplies heat
B. Transports rock
Assignment 3 Questionnaire
What layer of the earth includes continental and oceanic components?
A. Core
B. Crust
C. Transition zone
D. Upper mantle - Answer-B. Crust
Where do most superdeep diamonds form?
A. Pipes
B. Outer core
C. Oceanic crust
D. Lower mantle - Answer-D. Lower mantle
How does metasomatism affect lithospheric diamond formation?
A. Supplies heat
B. Transports rock