. What magma type contains the greatest amount of silica (SiO₂)? p.101 (Table 5-1) peridotite
silca
more silca means lighter color less silca means darker color.
silca rich
as dark colored rock with low silica content
The quartz content of granite is varied.
Granite is lighter in color and higher in silicate mineral content.
. What magma type contains the greatest amount of silica (SiO₂)? p.101 (Table 5-1) peridotite
72%.
Gabbro has less silica than granite.
silca
Granite
12 percent on a mineral composition table
granite
more silca means lighter color less silca means darker color.
The continents are thicker and less dense than the materials that make up the ocean basins.
salt, silca, and grain