What is the main geologic feature for which Siccar Point in Scotland is famous?
A) a boundary between steep gray layers below and gently dipping red layer above
B) an unconformity
C) an ancient erosion surface
D) all of these
E) none of these

Question

Quizplus · Accepted Answer

Siccar Point in Scotland is famous for its unconformity, which is a boundary between steeply inclined (vertical) gray layers of Silurian rocks and gently dipping red layers of Devonian rocks above. This unconformity represents an ancient erosion surface, making all of the options correct descriptions of the geologic feature at Siccar Point.

What Is the Main Geologic Feature for Which Siccar Point