Consider the following statements about geological formation of India:

1. Geological time scale divides India into four parts with respect to rock system.

2. Gondwana rock system is famous for coal formation in India.

3. Deccan Trap / Deccan lava plateau is made-up of cretaceous rock system.

Choose the incorrect statement(s)

1 and 2 only

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2 and 3 only

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None

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All

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Solution

The correct option is C
None

All the statements are correct.

Geology of India: Geological time scale of India is divided into 4 parts:- Hence statements 1 is correct.

a. Archean rock system: These are oldest rock in the world. They are further divided into –

(c) Dravidian Rock system:

Coal formation started in carboniferous age of this system.

Continental drift started here.

Formation of Aravallis

(d) Aryan system- Further divided into three:-

Gondwana system:

(i) Famous for coal formation in India

(ii) 98% of coal deposit in India are found in this system.

(iii) Also famous for from are deposit.

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Similar questions

Q. Indian rock belongs to different geologic periods, thus geology of India is very diverse. In this context Write a note on the major rock system of India and their economic significance.

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1. Sedimentary rocks are formed at earth's surface by the hydrological system.
2. The formation of sedimentary rocks involves the weathering of pre-existing rocks.
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1. Though the continental crust has greater thickness it is less dense than the oceanic crust.
2. Deccan plateau is made up of only granite rocks.
3. Granite rock is an example of extrusive igneous rocks.
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Which of the above statement(s) is/are correct?

Consider the following statements:

1. Earth surface is dominated by the igneous rocks

2. Deccan traps region of India is mainly made up of metamorphic rock

3. Coal reserves of India are essentially tertiary in origin

Which of the above statements is/are correct?

Q. Following passage explains process of soil formation of a particular type:

Once the deccan trap region was prone to volcanic eruptions in the past.Over time, the lava from the volcano continued to accumulate and became solid. The solid rocks formed by the lava are called igneous rock.Continuous weathering and erosion of these rocks formed_____soil.

Identify the soil.

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