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An oceanic core complex, or megamullion, is a seabed geologic feature that forms a long ridge perpendicular to a mid-ocean ridge. It contains smooth domes that are lined with transverse ridges like a corrugated roof. They can vary in size from 10 to 150 km in length, 5 to 15 km in width, and 500 to 1500 m in height.[citation needed] Their counterparts on land are metamorphic core complexes, which form in areas of continental crustal extension or stretching.[1]
- ^ Bahadori, Alireza; Holt, William E.; Austermann, Jacqueline; Campbell, Lajhon; Rasbury, E. Troy; Davis, Daniel M.; Calvelage, Christopher M.; Flesch, Lucy M. (2022-09-26). "The role of gravitational body forces in the development of metamorphic core complexes". Nature Communications. 13 (1): 5646. Bibcode:2022NatCo..13.5646B. doi:10.1038/s41467-022-33361-2. ISSN 2041-1723. PMC 9513114. PMID 36163354.