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(i) Explain why intrusive igneous rocks are coarse grained. (ii) Briefly, describe the formation of organically formed sedimentary rocks

      

(i) Explain why intrusive igneous rocks are coarse grained.
(ii) Briefly, describe the formation of organically formed sedimentary rocks

  

Answers


Lydia
i) It’s because of cooling slowly which gives the minerals in the molten rock time to collect together and form large crystals.
ii) Formation of organically formed sedimentary rocks.
- They are formed from remains of dead plants and animals/ organic material.
- The materials may be deposited together in water or buried on land.
--The materials become compacted to form various types of rocks called organically formed sedimentary rocks.
-They are classified on the basis of their composition and mode of formation.
lydiajane74 answered the question on November 24, 2017 at 12:41


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