Advertisements
Advertisements
प्रश्न
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Advertisements
उत्तर
Fossils are remains of vegetation and animals buried under the sediments. The sedimentary rocks are stratified rocks and are found in layers. These fossils are preserved in between these layers. But in Igneous rocks, the fossils are destroyed due to high temperature of lava.
संबंधित प्रश्न
Why is coal hard and chunky?
Discuss the importance of rocks for the construction business.
Fill in the blank
Granite is an example of intrusive ________ rocks.
Give an example of intrusive igneous rock.
Name any three elements of the earth’s crust.
Why are the igneous rocks also called the primary rocks?
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
Distinguish between rocks and minerals.
Differentiate between Rock and Mineral
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
What is the basis for the classification of rocks?
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
Give reasons for the following
Extrusive rocks generally have small crystals.
Fossils are found in.
Volcanic mountains are covered with sedimentary rocks.
Classify and explain the rocks.
How are igneous rocks formed?
What are metamorphic rocks?
______ refer to rock in Greek.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
