| Beurlen, H., Barreto, S. B., Silva, D., Wirth, R., Olivier, P. (2007) TITANIAN IXIOLITE - NIOBIAN RUTILE INTERGROWTHS FROM THE BORBOREMA PEGMATITIC PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 45 (6) 1367-1387 doi:10.3749/canmin.45.6.1367 | Journal (article/letter/editorial) | THE BORBOREMA PEGMATITIC PROVINCE, NORTHEASTERN BRAZIL Hartmut BEURLEN§ Programa de PG em Geociências...Hélio Ramos s.n., 50740–530 Recife, Pernambuco, Brazil Sandra Brito BARRETO Deptamento de Geologia, Universidade...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Dailto SILVA Instituto de Geociências, IGE–UNICAMP...Barão Geraldo, 13083–970 Campinas, São Paulo State, Brazil Richard WIRTH GeoForschungsZentrum Potsdam, Telegrafenberg...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Abstract Intergrowths of orthorhombic and tetragonal | | | Book (edition) | .. Numerous quartz crystals were found at Casa Grande [near Coolidge, Pinal County]. It is known from...chalcedony are also in the collection from Casa Grande. Like the ancient people who inhabited the northern...immediate vicinity. ... The inhabitants of Casa Grande appear to have been ignorant of all metals except...picked up on the surface of the ground. These bells do not differ in shape or size from those found in ruins...no evidence that they were not made by the Casa Grande people. Prehistoric Period • 21 Arizona Under | | | Book (edition) | . Numerous quartz crystals were found at Casa Grande [near Coolidge, Pinal County]. It is known from...chalcedony are also in the collection from Casa Grande. Like the ancient people who inhabited the northern...immediate vicinity. ... The inhabitants of Casa Grande appear to have been ignorant of all metals except...picked up on the surface of the ground. These bells do not differ in shape or size from those found in ruins...no evidence that they were not made by the Casa Grande people. Prehistoric Period = JI Arizona Under |
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