Question
Explain the difference between igneous rocks and rocky rocks.
| Sr. no | Igneous rocks | Rocky rocks | |
| $1$ | These types of rocks are formed by forming the earth's crust on the earth's surface or in the interior. | $1$ | These rocks are formed by the accumulation of sediments at the bottom of the sea or ocean due to the deposition of erosion factors. |
| $2$ | Fire plays an important role in the formation of these rocks. | $2$ | Water plays an important role in the formation of these rocks. |
| $3$ | Volcanic rocks do not form layers. | $3$ | Rocky rocks have a layer formation. |
| $4$ | The mantle of the earth's crust plays a major role in its formation. | $4$ | Rainwater and sea water play a major role in its construction. |
| $5$ | These rocks have the mantle of the earth's crust. | $5$ | It contains sand, clay, silt, gravel, mud, as well as fossils of plants and animals. |
| $6$ | There are three subtypes of these rocks, extruded median or subsoil, depending on the action of groundwater or magma. | $6$ | Rocky rocks also have subtypes of sandy loam or carbonated depending on the minerals they contain. |
| $7$ | Minerals like gold, silver, nickel, copper, mica etc. are found in these rocks. | $7$ | Minerals like coal, mineral oil, natural gas, limestone etc. are found in these rocks. |
| $8$ | Since these rocks are the oldest rocks on earth, they are called primary rocks. | $8$ | These rocks are not called primary rocks because of the formation action these rocks are called new rocks. |
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