Minerology & Petrology

The branch of geology which deals with occurrence, origin and history of rocks is known as

• hydrogeology

• petrology

• pedology

• geomorphology

The branch of geology which deals with study of chronology of the earth's past events is called as

• historical geology

• structural geology

• physical geology

• none of the above

The branch of geology which deals with study of uppermost layers of earth's crust is known as

• petrology

• hydrogeology

• pedology

• geomorphology

In relative proportion of rocks by weight percentage which type of rocks are having maximum percentage ?

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

• None of the above

In relative proportion of rocks by volume percentage which type of rocks are having maximum percentage ?

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

• None of the above

The study of rocks in the laboratory as hand specimens with a view to analyse and discuss their texture, mineral composition, chemical composition is called as

• (a) petrography

• hydrogeology

• pedology

• any of the above

The physical property of mineral by which minerals are identified on account of its colour of the powder form is called as

• colour

• luster

• streak

• none of these

Talc is showing which type of luster ?

• pearly

• silky

• dull

• resinous

The heat caused by melting in the earth history was supplied from which of the following events or causes ?

• volcanic activity and radioactivity

• large impact event and solar heating

• solar heating

• a large impact event and radioactivity

Quartz has hardness of 7 and will scratch on all the minerals with hardness 8 and higher.

• True

• False