6. according to the map shown in the figure above, which area of earth contains the highest concentration of…

6. according to the map shown in the figure above, which area of earth contains the highest concentration of quartz and feldspar? a. north america b. the west coast of the u.s. c. the pacific ocean d. hawaii
Answer
Brief Explanations:
Felsic rocks are rich in quartz and feldspar. The map shows Hawaii is in a felsic - dominated area.
Answer:
d. Hawaii