
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]]
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.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).