 | | Book | | previous minerals. by the oxidation of a sulphide deposit to iron oxides minerals, ironstone is found in...TROCTOLITE serpentine mottled anorthosite CHROMITE-SERPENTINITE GRAIN SIZE 2–5mm. ESSENTIAL COMPONENTS Any...a dunite by the addition of water produces a serpentinite. brown weathered olivine SECTION SHOWN...basic magma in a major intrusion. SIMILAR ROCKS Serpentinite (p.72), is softer and fine-grained. 54...H I C R O C K S Serpentinite ROUGH columnar jointing is visible in this serpentinite. The wrinkled brown-grey |  | | Report (issue) | | Oceanic Fracture Zones in Abyssal Settings 1. Serpentinite matrix mélange: Implications of mixed provenance...commonly embedded in an argillitic, sandy, or serpentinite matrix showing high stratal disruption and a...field, petrological, and geochemical data on serpentinite-matrix mélanges of different ages in California...evidence that blockin-matrix fabrics developed in serpentinite within an abyssal fracture zone. Shervais et...high-temperature (HP-HT) garnet-amphibolite blocks from a serpentinite shear zone structurally beneath unmetamorphosed |
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