Question 13
Earth Movements and VulcanicityWhen molten magma solidifies along bedding planes the feature formed is known as
- A.sill
- B.basalt
- C.lava
- D.batholith
- E.ash cone
Show the answer and explanation
Answer: A (sill)
Explanation
A sill is a sheet of igneous rock formed when magma spreads along (parallel to) the bedding planes and cools.