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Rocks — Geography STD 9 — Question

ICSE BoardEnglish MediumSTD 9GeographyRocks2 Marks
Question
Distinguish between the following: Sills and Dykes.
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Answer

Sills Dykes
The collection of magma between layers of rocks is called sill. The fillings of magma in the cracks or fissures of rocks are called dykes.

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