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प्रश्न
Why fossils are preserved in Sedimentary and not in Igneous rocks?
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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
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
Classify the following rocks by selecting the correct option given below:
Gneiss
Classify the following rocks by selecting the correct option given below:
sandstone
How are rocks different from minerals?
Which rocks are associated with ores of metals?
Which agents are responsible for deposition of sediments?
Explain this term associated with rocks: Laccoliths and Batholiths
How are sedimentary and igneous rocks formed?
Classify the following rock: Shale
Classify the following rock: Gypsum
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Match the following:
| (a) | Igneous | (i) | Magma |
| (b) | Sedimentary | (ii) | Transformation |
| (c) | Metamorphic | (iii) | Gypsum |
| (d) | Molten material | (iv) | Basalt |
| (e) | Rock Cycle | (v) | Marble |
Mention the types of rocks based on formation?
The types of rocks based on formation are
This is the storehouse of rocks.
Explain the type of Igneous Rocks.
| A | B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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.
