Advertisements
Advertisements
प्रश्न
State the chief characteristics of metamorphic rocks.
Advertisements
उत्तर
-
They are harder and more compact than their original form.
-
Most of them are impermeable; they do not allow water to percolate through them.
-
They do not have fossils because fossils in sedimentary rocks are destroyed during metamorphism.
-
They are formed due to a change in texture and composition of pre-existing rocks.
-
New minerals are formed during the process of metamorphism.
APPEARS IN
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Name the three stages of lithification of Sedimentary rocks.
Name the types Sedimentary rocks based on agents of formation.
Briefly define Mechanical Metamorphism.
What processes are involved in the formation of Igneous Rocks?
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
How are sedimentary rocks formed?
How are sedimentary rocks classified on the basis of their formation?
Classify the following rock: Basalt
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
Give one example of an area of: Metamorphic rocks,
What is the basis for the classification of rocks?
Volcanic mountains are covered with sedimentary rocks.
Diamond is an example of _______ rock.
The two types of Intrusive Igneous rocks are ______.
Minerals exist in nature ¡n the form of ______ or ______.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
