| Lord, R. A., Prichard, H. M., S.SA, J. H., Neary, C. R. (2004) Chromite Geochemistry and PGE Fractionation in the Campo Formoso Complex and Ipueira-Medrado Sill, Bahia State, Brazil. Economic Geology, 99 (2) 339-363 doi:10.2113/gsecongeo.99.2.339 | Journal (article/letter/editorial) | Fractionation in the Campo Formoso Complex and Ipueira-Medrado Sill, Bahia State, Brazil R. A. LORD,† Clean...de Geociências, Universidade Federal da Bahia, Salvador, Brazil AND C. R. NEARY Formerly at Natural Environment...northern margin of the São Francisco craton. The ultramafic host rocks are remnants of early Precambrian...district, a folded segment of a 200- to 250-m-thick ultramafic-mafic sill contains a 5- to 8-m-thick highly...alteration and serpentinization. In Campo Formoso a deeply eroded stratiform complex contains at least seven different | | | Journal (article/letter/editorial) | Universidade Federal de Ouro Preto, Ouro Preto MG, Brazil, 35.400-000 b Departmento Engenharia de Minas...Federal do Rio Grande do Sul, Porto Alegre RS, Brazil, 90.035-190 Version of record first published:...Strieder (1996): Cr-Spinels from Brazilian Mafic-Ultramafic Complexes: Metamorphic Modifications, International...rights reserved. Cr-Spinels from Brazilian Mafic-Ultramafic Complexes: Metamorphic Modifications MARCOS T...Universidade Federal de Ouro Preto, Ouro Preto MG, Brazil 35.400-000 AND ADELIR JOSÉ STRIEDER Deparlmento | | | Journal (article/letter/editorial) | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225...Thorman (1994): Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...rights reserved. Geology and Mineral Resources of Brazil: A Review INACIO DE MEDEIROS DELGADO, AUGUSTO J...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey | | | Catalog/List | this one, come from the mine with a heavy coat of Quartz, which is carefully and laboriously removed by...waxy to vitreous, and the surrounding colorless Quartz ‘matrix’ is matte in appearance. The specimen is...at the termination of pale pink color with very complex growth figures. The Fluorite is a cubo-octahedron...May 4, 2014 | 12:00 PM CT 17 52013 TOPAZ and QUARTZ Bulochi, Astor Valley, Astor District, Gilgit-Baltistan...sharp and lustrous Quartz crystal 4.38 inches (11.2 cm) tall. The Topaz and the Quartz are in remarkable |
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