what kind of rock are ocieanic plates made of?

1 ⤊

They are made primarily of basalt, a mafic igneous rock

2006-09-14 05:15:49 · answer #1 · answered by JimZ 7 · 1⤊ 0⤋

i go with the previous answer .. basalt and mafic rocks .. so u can guess how much basalt we have on earth !!!

2006-09-14 15:59:02 · answer #2 · answered by Geo06 5 · 0⤊ 0⤋

And very deep too!

2006-09-14 20:25:46 · answer #3 · answered by Tom-PG 4 · 0⤊ 0⤋