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When magma intrudes parallel to another rock layer, the formation is called a(n)

a. sill.
b. dike.
c. extrusion.
d. unconformity.

User Arlington
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3 votes

Answer:

the answer is A. Sill

User Chris Seymour
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5 votes
Magma parallel to a rock layer is a sill (think "window sill").
User Sickelap
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