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Ultramafic-rock-hosted vein sepiolite occurrences in the Ankara ophiolitic melange, Central Anatolia, Turkey
(CLAY MINERALS SOC, 2004)
A 2 m thick brecciated zone containing magnesian minerals is present at the contact of tectonites and cumulates. Tectonites below this zone comprise serpentinized orthopyroxenite and serpentinite. An alteration zone with ...