patch reef

1. A small, irregular organic reef with a flat top forming a part of a reef complex. 2. A small, thick, isolated lens of limestone or dolomite surrounded by rocks of different facies. 3. See reef patch.

Related terms:

• reef patch
• table reef
• platform reef
• reef pinnacle
• reef knoll
• reef milk
• reef flat
• reef talus
• off-reef facies
• resorbed reef