Advertisements
Advertisements
प्रश्न
Fill in the blanks
______ rocks are formed by the deposition of shells and skeletons of organism.
उत्तर
Organically formed sedimentary rocks are formed by the deposition of shells and skeletons of organism.
APPEARS IN
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
Differentiate between SIAL and SIMA.
What are minerals?
Give an example of intrusive igneous rock.
Classify the following rocks by selecting the correct option given below:
basalt
How do acidic igneous rocks differ from basic igneous rocks?
Explain this term associated with rocks: Extrusive Igneous Rocks
Explain this term associated with rocks: Laccoliths and Batholiths
Distinguish between the following: Thermal and Dynamic Metamorphism.
Distinguish between the following: Sills and Dykes.
How are igneous rocks classified on the basis of their chemical composition?
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.
Why are the Igneous Rocks called Primary Rocks?
______ is the kind of metamorphic rock using which Taj Mahal was built.
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 |
______ into slate caused by thermal metamorphism.
The oldest sedimentary rocks of the world have been identified in ______.
What is Thermal Metamorphism?
Match the following.
| 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.
