coral pinnacle

coral pinnacle

[′kär·əl ′pin·ə·kəl]
(geology)
A sharply upward-projecting growth of coral rising from the floor of an atoll lagoon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Terrain: Rough beach rises to a fertile but narrow ring around a raised, prehistoric coral reef plateau, studded with coral pinnacles exposed by phosphate mining.
"Except for a coastal strip," he continues, "it is a desert of jagged coral pinnacles, uninhabitable, a ghostly array of tombstones baking in the equatorial sun."
Its coral pinnacles rise 60 feet or more from the sea floor to within 10 to 15 feet of the surface.