Bani Hamid Quartzites 16/09—05/10/2013
These granulite-facies quartzites, formed at depth beneath the Oman Ophiolite, show a remarkable sequence of quartz microstructures representing overprinting of the original very coarse high-T fabrics by progressively lower-temperature microstructures as the Bani Hamid rock unit was emplaced to high crustal levels by thrusting within the ophiolite. Since the microstructures reflect the deformation mechanisms and therefore also the temperature regime under which deformation took place, while the mineral assemblages also help to constrain pressure and temperature, a P-T-deformation path can be reconstructed.
