HI,
answer the questions in the file that i attached…
don’t write very long answer.
Geology 101, Fall 2019, Quiz 5
Due 11:59 pm on Monday, October 12th.
1. In your own words, what is the difference between an ultramafic, a mafic, an
intermediate, and a felsic rock? (6 pts)
2. What is the composition of the lavas and magmas you would expect to find at a
mid-ocean ridge? What is the composition of the rock that the lava and magma
formed from? (8 pts)
3. In your own words, what are the differences in physical properties between
basaltic, andesitic, and rhyolitic lavas? (6 pts)
4. How would you tell a shield volcano, volcanic dome, cinder cone, and
stratovolcano apart if you were in the field? (5 pts)