Wilson (1979) theorised how patches and single colonies of Lophelia patches could propagate and ultimately develop into a reef system.
Reference:
Wilson, J.B. (1979). "'Patch' development of the deep-water coral Lophelia pertusa (L.) on Rockall Bank." Journal of the Marine Biological Association of the United Kingdom 59: 165-177.
Freiwald et al (1999) documented the discovery of cold-water coral reefs within iceberg ploughmarks off the coast of Norway.
Reference:
Freiwald, A., Wilson, J.B. and Henrich, R. (1999) "Grounding Pleistocene icebergs shape recent deep-water coral reefs." Sedimentary Geology 125 (1-2): 1-8.