REPLACEMENT PROCESSES INVOLVING HIGH FIELD STRENGTH ELEMENTS IN THE T ZONE, THOR LAKE RARE-METAL DEPOSIT

Pyrochlore and columbite-tantalite as indicator minerals for specialty metal deposits

Geophysical expression of a buried niobium and rare earth element deposit: The Elk Creek carbonatite, Nebraska, USA

Applicability of handheld X-Ray fluorescence spectrometry in the exploration and development of carbonatite-related niobium deposits: a case study of the Aley Carbonatite, British Columbia, Canada

Geochemistry of pyrochlore minerals from the Motzfeldt Center, South Greenland: The mineralogy of a syenite-hosted Ta, Nb deposit

FLUORINE-RICH XENOTIME FROM THE WORLD-CLASS MADEIRA Nb–Ta–Sn DEPOSIT ASSOCIATED WITH THE ALBITE-ENRICHED GRANITE AT PITINGA, AMAZONIA, BRAZIL

An unusually thermally stable magnetite from a niobium mine in Brazil

THE WORLD-CLASS Sn, Nb, Ta, F (Y, REE, Li) DEPOSIT AND THE MASSIVE CRYOLITE ASSOCIATED WITH THE ALBITE-ENRICHED FACIES OF THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT, AMAZONAS STATE, BRAZIL

Cámaraite, Ba 3 NaTi 4 (Fe 2+ ,Mn) 8 (Si 2 O 7 ) 4 O 4 (OH,F) 7 . I. A new Ti-silicate mineral from the Verkhnee Espe Deposit, Akjailyautas Mountains, Kazakhstan

Cámaraite, Ba 3 NaTi 4 (Fe 2+ ,Mn) 8 (Si 2 O 7 ) 4 O 4 (OH,F) 7 . II. The crystal structure and crystal chemistry of a new group-II Ti-disilicate mineral

Proshchenkoite-(Y) from Russia - a new mineral species in the vicanite group: descriptive data and crystal structure

Niobium in boreal stream waters and brackish-water sediments

Crystal structure and crystal chemistry of fluorannite and its relationships to annite

Mineralogy of the Lake zone, Thor Lake rare-metals deposit, N.W.T., Canada

Granitoid chemistry and associated mineralization in the French Variscan