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Question
The horizontal layers of intrusive igneous rock are ______.
Options
Sills
Dykes
Batholiths
Laccoliths
MCQ
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Solution
The horizontal layers of intrusive igneous rock are sills.
Explanation:
Sills form when sheets of magma solidify between the horizontal layers of pre-existing rocks, creating a flat, horizontal intrusive body. Other forms include dykes (vertical), batholiths (large and deep), and laccoliths (dome-shaped).
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