The metamorphic unit on top of peridotite^gabbro complex is composed of chlorite schists, derived from a...occurrence of accessory apatite, ilmenite, rutile, titanite, rare ÂŁakes of biotite and zircon. Low-grade meta-...km to the east on the Continent (Serra de Monchique, Portugal) yield very similar initial isotopic compositions...depletion of the upper mantle is substantially more complex than suggested by the smoothness of the DM model...9 and +4.3 [20]). Rocks from the Serra de Monchique complex on the Continent are in average about 2 ONd
MI, USA (gegehrke@umich.edu) Mercury (Hg) has a complex biogeochemical cycle involving multiple oxidation...Universidade dos Açores, 9501-801 Ponta Delgada, Açores, Portugal 3 Department of Earth Sciences, The Open University...and in the immediate vicinity of the volcanic complex. Throughout its history, volcanic activity at Furnas...processes, but the task is challenging due to the complex interplay of structural and chemical properties...willemite-bearing oxidized Pb-Zn ores from E Belgium and S Portugal, however, suggest that certain mineralization
