The crust is mainly composed of rock. The rock of the crust is composed of silicon minerals. It also has great rates of oxygen in it.
Silicate minerals such as quartz and feldspar are the most common minerals located in earths crust
SILICATES, they make up 90% of the crust.
calcium is!
The study of volcanoes,
gold
rock
90 persent and lava
In terms of weight, iron makes up approximately 5% of the earths crust, the fourth most abundant element in the crust. However, remember Earth's Core is nearly all Iron.
in the earths mantle
Silicate minerals such as quartz and feldspar are the most common minerals located in earths crust
The Crust has the most oxygen in it
aluminum
no they do not
yes
No. The crust contains a small fraction of earth's mass. Most of the mass is contained in the mantle.
In terms of weight, iron makes up approximately 5% of the earths crust, the fourth most abundant element in the crust. However, remember Earth's Core is nearly all Iron.
Just to say: This question refers to rock groups. Not what type of rock.Igneous rocks make up most of the earth's crust.