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Classification of Rocks

The igneous r...

Question

The igneous rocks are formed due to ____________.

A

plate tectonic

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B

volcanic acitivity

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C

weathering

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D

none of these

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Solution

The correct option is C volcanic acitivity
Igneous rocks are of two types, extrusive and intrusive. Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by the cooling of molten magma on the earth's surface. The magma, which is brought to the surface through fissures or volcanic eruptions, solidifies at a faster rate.

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Similar questions

Q. Intrusive igneous rocks are formed __________.

Q. Igneous rocks are rocks formed by the solidification of volcanic eruptions and magma.

Q. Consider the following statements about ‘Igneous Rocks’
1. They are formed as a result of denudation (weathering and erosion).
2. Igneous rocks are primary rocks and other rocks (sedimentary and metamorphic) form from these primary rocks.
Which of the above statements is/are correct :

आग्नेय चट्टानों के बारे में निम्नलिखित कथनों पर विचार करें:
1. वे अनाच्छादन (अपक्षय और अपरदन) के परिणामस्वरूप बनते हैं।
2. आग्नेय चट्टानें प्राथमिक चट्टानें हैं और इन प्राथमिक चट्टानों से अन्य चट्टानें (अवसादी और कायांतरित) बनती हैं।
उपरोक्त कथनों में से कौन सा/से सही है / हैं:

Q. Igneous rocks are mostly found in 'X', a state in India. These rocks were extracted and used for the construction of forts and other buildings. What is 'X'?

Q.  Consider the following Statements:
1. Granite is an Igneous Rock that undergoes metamorphism to form Gneiss.
2. Slate is a common metamorphic rock that forms from shale.
3. Limestone, is the Igneous rock, that will change into a metamorphic rock; ‘marble’.
Which of the following are ‘True’ ?

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