Pillow basalts attain their blob-like shapes because: 10 POINTS!?
A. the parent lavas are completely devoid of volatiles and thus travel slowly
B. the parent lavas erupt underwater and thus cool very quickly
C. the parent lavas are highly silicic and thus travel slowly
D. the parent lavas are very slow and want to nap
thank you.
B. the parent lavas erupt underwater and thus cool very quickly