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ophiolite
Sign in to savethumb|Ordovician ophiolite in Gros Morne National Park, Newfoundland thumb|Chromitic serpentinite, Bay of Islands Ophiolite, Lewis Hills, Newfoundland thumb|Chromitite ore with chromite (black) & talc and/or antigorite (whitish). Shetland Ophiolite Complex, ~425-500 Ma. [[Shetland Islands, North Sea, UK]]
~21 min read
Encyclopedic overview
14 sectionsContents
- Pseudostratigraphy and definition
- {{anchor|Formation and emplacement}} Formation and emplacement
- Origin
- Ophiolite emplacement
- Hypotheses
- Emplacement by irregular continental margin
- As trapped forearc
- Research
- Groups and assemblages
- Origin and evolution of the concept
- Notable examples
- Notes
- References
- External links
thumb|Ordovician ophiolite in Gros Morne National Park, Newfoundland thumb|Chromitic serpentinite, Bay of Islands Ophiolite, Lewis Hills, Newfoundland thumb|Chromitite ore with chromite (black) & talc and/or antigorite (whitish). Shetland Ophiolite Complex, ~425-500 Ma. [[Shetland Islands, North Sea, UK]]
An ophiolite is a section of Earth's oceanic crust and the underlying upper mantle that has been uplifted and exposed, and often emplaced onto continental crustal rocks.
Excerpted from Wikipedia’s “ophiolite” article, available under the CC BY-SA 4.0 licence.