Which mineral is used in jewellery ?
Mica
Coal
Quartz
Olivine
The mineral that constitues 4% of the earth's crust is?
Pyroxene
Feldspar
The element present in largest amount in rocks and minerals is
Chlorine
Zinc
Silicon
Copper
A continuous process through which old rocks are transformed into new ones is called?
Rock chain
Rock cycle
Endogenetic process
Tectonic process
Which of the following is the Salient feature of metamorphic rocks ?
Changeable
Foliation
layers
Crystalline
Which is the outer most layer of earth?
Mantle
Crust
asthenosphere
Core
Which one of the following is a Hard rock ?
Basalt
Chalk
Granite
Limestone
Half of the earth's crust is composed of __________ .
The earth's crust is mainly composed of ?
Rocks
Soil
Water
Air
Which rocks are solidifies from Magma and Lava ?
Metamorphic rocks
Sedimentary rocks
Volcanic rocks
Igneous rocks
