Minerals And Rocks

Question 1

Name metals that comprises 98% of crust

Answer 1

MOSAICS- P

Magnesium oxygen sodium aluminium iron calcium silicon potassium

Question 2

Name 6 major mineral groups

Answer 2

Feldspar Quartz Amphiboles Micas Olivine Garnet

Question 3

Which is the most common mineral groups?
What is science of rocks called?

Answer 3

Feldspar and Quartz
Petrology

Question 4

How metamorphic rocks are formed?

Answer 4

Recrystallization and reorganisation of rock particles under PVT change

Question 5

Give examples of igneous rocks

Answer 5

Granite gabbro pegmatite volcanic breccia tuff basalt

Question 6

Give example of mechanically formed sedimentary rock

Answer 6

Sandstone limestone shale loess conglomerate

Question 7

Name biologically formedey sedimentary rock

Answer 7

Geyserite chalk coal limestone

Question 8

Name chemically formed sedimentary rock

Answer 8

Limestone halite potash chert

Question 9

What is metamorphism?
What are its various types?

Answer 9

Process by which rocks undergo recrystallization and reorganisation under pressure volume and temperature change

Dynamic(no chemical change)and thermal (chemical change occur)

Thermal is of two types regional and contact

Question 10

What is foliation and banding in metamorphic rocks

Answer 10

Foliation is arrangement of minerals in layers and such structure is called banding

Question 11

Example of metamorphic rocks

Answer 11

Gneissoid granite syenite slate schist marble quartzite