reef-builders
1Reef — In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water (six fathoms or less at low water).Many reefs result from abiotic processes deposition of sand, wave erosion planning down rock outcrops,… …
2coral reef — a reef composed mainly of coral and other organic matter of which parts have solidified into limestone. [1735 45] * * * Ridge or hummock formed in shallow ocean areas from the external skeletons of corals. The skeleton consists of calcium… …
3DeTour Reef Light — Location Lake Huron, Michigan Coordinates …
4Carbonate platform — A carbonate platform is a sedimentary body which possesses topographic relief, and is composed of autochthonous calcareous deposits (Wilson, 1975). Platform growth is mediated by sessile organisms whose skeletons build up the reef or by organisms …
5Coral — For other uses, see Coral (disambiguation). Coral Pillar coral, Dendrogyra cylindricus Scientific classification Kingdom …
6Cnidaria — Temporal range: 580–0 Ma …
7Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …
8cnidarian — /nuy dair ee euhn/, n. 1. any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a… …
9Mount Maunganui — For the adjacent mountain, see Mount Maunganui (mountain). Mount Maunganui The town as viewed from The Mount …
10Late Devonian extinction — …
