| Pršek, Jaroslav, Majka, Jaroslaw, Uher, Pavel, Chudík, Peter (2010) Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary assemblage. Neues Jahrbuch für Mineralogie - Abhandlungen, 187 (3) 235-248 doi:10.1127/0077-7757/2010/0172 | Journal (article/letter/editorial) | Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary...of Nb-Ta mineralization in a granitic pegmatite from the Svalbard Archipelago, Arctic Caledonides and the...phases are discussed. The Skoddefjellet NYF pegmatite located in southwest Spitsbergen (Wedel Jarlsberg Land)...environment and increasing fluorine activity during the pegmatite evolution. The formation of secondary phases is...is related to the hydrothermal stage of the pegmatite. Notably, the formation of Nb,Ta-bearing rutile | | | Journal (article/letter/editorial) | Deposit are monazite-(Ce) and monazite-(Nd), with lesser amounts of bastnaesite-(Ce) and bastnaesite-(Nd)...mineralogy with minor monazite-(Ce) and accessory apatite, xenotime, bastnaesite-(Ce), sphalerite, and Nb-REE-oxides...dolomite clasts and abundant REE-fluorocarbonates (parisite, synchysite, bastnaesite), with minor microcline...enriched in Nd due to the presence of Ndenriched parisite-(Ce) and aeschynite. Geochemically BD-Zone rocks...Fe Si, Mn); synthetic rare element phosphates (La, Ce, Pr, Nd, Sm, P); SrTiO3 (Sr, Ti), ThNb4O12 (Th, Nb); |
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