Half of the earth's crust is composed of __________ .
Pyroxene
Mica
Olivine
Feldspar
Sedimentary rocks are classified into how many groups ?
Two
Three
Six
Four
The mineral that constitues 4% of the earth's crust is?
A continuous process through which old rocks are transformed into new ones is called?
Rock chain
Rock cycle
Endogenetic process
Tectonic process
Which is the outer most layer of earth?
Mantle
Crust
asthenosphere
Core
Which of the following is a mixture of non-metallic minerals ?
Cement
Gold
Granite
Which one of the following is a Hard rock ?
Basalt
Chalk
Limestone
The elements in the earth's crust,which, are rarely found exclusively but are usually combined with other elements to make various substances. These substances are called as ?
Rocks
Minerals
Metals
Non-metals
The Study of rocks is called ?
Lithology
Petrology
Meteriology
Pathology
Which one of the following is organically formed ?
Shale
Halite
