Question 29
RocksWhich of the following pairs of rock examples are sedimentary rocks?
- A.Graphite and sandstone
- B.Gabbro and schist
- C.Limetsone and chalk
- D.Gneiss and granite
Show the answer and explanation
Answer: C (Limetsone and chalk)
Explanation
Limestone and chalk are both formed from deposited shells and calcium carbonate: sedimentary rocks.