If you dredged a rock sample from the seafloor at the spot labeled "X" on the map, which rock type would you be most likely to recover?
(A) a rock with 45-52% SiO2 (B)
a rock with 52-65% SiO2 (C) a rock with >65% SiO2
If you dredged a rock sample from the seafloor at the spot labeled "X" on the map, which rock type would you be most likely to recover?