...Stuart J. Mills; Anthony R. Kampf; William D. Birch Abstract Metanatroautunite, Na[(UO 2 )(PO 4 )](H 2 O) 3 , from the Lake Boga granite, Victoria, Australia, has tetragonal symmetry, space group P 4/ ncc , with the unit-cell parameters: a = 6.9935(7), c = 17.5101(12) Å, V = 856.40(13) Å 3 , and Z...

..., crandallite/perhamite, and jarosite. Meurigite-Na also occurs at Tom’s quarry and Moculta quarry in South Australia, Australia, Lake Boga quarry and probably Rixon’s Sandstone quarry in Victoria, Australia, and at an unnamed pegmatite prospect near Linopolis, Minas Gerais, Brazil. The streak is white...

...Stuart J. Mills; William D. Birch; Uwe Kolitsch; W. Gus Mumme; Ian E. Grey Abstract Lakebogaite, ideally CaNaFe 2 3+ H(UO 2 ) 2 (PO 4 ) 4 (OH) 2 (H 2 O) 8 , is a new Ca–Na–Fe uranyl phosphate mineral from a quarry in Upper Devonian granite near Lake Boga, northern Victoria, Australia...

...) has been found at Lake Boga, Victoria, Australia. The crystal structure (space group P 2 1 /, a = 9.695(2), b = 9.673(2), c = 19.739(4) Å, β = 102.61(3)°, V = 1806.5(6) Å 3 , Z = 4) was determined using single-crystal X-ray diffraction data (Mo K α , CCD area detector) and refined to R 1( F...

... (1980) and Broska et al. (1998 , 2000) , are not plotted for failing the criteria for stoichiometry. Recent finds of relatively Si-rich Ca,Th-bearing compositions from the Lake Boga Granite, in Australia, of which one shows 17 mol.% 2ThSiO 4 and 80 mol.% CaTh(PO 4 ) 2 ( Mills 2003...

... greenish acicular crystals in small miarolitic cavities of a granite at Lake Boga, near Swan Hill, Victoria, Australia ( Birch et al. , 1988 ; Henry and Birch, 1988 ). It was said to have crystallized from late-stage hydrothermal solutions, and is associated with chalcosiderite [CuFe 6 3+ (PO 4 ) 4 (OH...

... ) for samples of saléeite, ulrichite, torbernite and metanatroautunite from the Lake Boga granite (367 Ma, Mills et al. , 2008 ) and Wycheproof granite (410 Ma) in Victoria, Australia. At those localities, 77 of the 104 samples gave apparent ages <500 ka, with a broad peak of ~400 ka (Marine Isotope Stage...

... . 2000 ). Some similar granites further west (Pyramid Hill, Wycheproof, Lake Boga) in Victoria have secondary growths of U phosphates in vugs ( Birch et al . 1988 ). Such granites could be a source of U to the groundwaters of the Murray Basin in north-central Victoria. Similar fractionated granites also...

.... , 2014 ; Sanematsu et al. , 2015 ). Phosphorus may precipitate with mobilised elements to form insoluble secondary phases such as the secondary uranium phosphates formed in the S-type granites of Lake Boga and Whycheproof, Victoria, Australia (Mills et al. , 2008 ; Birch et al. , 2011...

... at other localities such as Lake Boga, Victoria, Australia. There, geochronology has shown early phosphates (fluorapatite and monazite-(Ce)/cheralite) and primary uraninite to have a similar Devonian age to the host granite ( Mills et al . 2008 ), separated widely in time from a diverse array of secondary...

... of continental deposits: (1) eolian and rainwash deposits: loess, loess-like clays, and dune (“barkhan”) sands; (2) ejections of mud volcanoes: mud and fragments of various rocks; (3) lake deposits: silt, sand, and salt. Epeirogenic movements have involved not only the deposits of the ancient Caspian but have...

... quelques minéraux uranifères. Bulletin de la Société Francaise de Minéralogie et de la Cristallographie , 78 , 1 –26. Birch, W.D., Mumme, W.G., and Segnit, E.R. ( 1988 ) Ulrichite: A new copper calcium uranium phosphate from Lake Boga, Victoria, Australia. Australian Mineralogist , 3 , 125...

... . Birch W.D. Mills S.J. Maas R. Hellstrom J.C. ( 2011 ) A chronology for Late Quaternary weathering in the Murray Basin, southeastern Australia: evidence from 230 Th/U dating of secondary uranium phosphates in the Lake Boga and Wycheproof granites, Victoria . Australian Journal...

... application . Can. Mineral. , 19 , 441 – 450 . Mills , S.J. , Kolitsch , U. , Birch , W.D. , Sejkora , J. ( 2008 ): Kunatite, CuFe 2 3 + (PO 4 ) 2 (OH) 2 ·4H 2 O, a new member of the whitmoreite group, from Lake Boga, Victoria, Australia . Aust...

...,Cl) 13 , a new mineral from Lake Boga, Victoria, Australia. Austral. J. Mineral., 5, 69–75. The mineral occurs as tabular crystals, up to 20 μm across and <1 μm thick, that form dark brown scaly crusts and hemispheres up to 100 μm across. Electron microprobe analysis gave CaO 7.59, CuO 34.79...

...-bearing beraunite from Mangualde, Portugal: mineral data and structure refinement . The Canadian Mineralogist , 27 , 441 – 446 . Mills , S.J. , Kolitsch , U. , Birch , W.D. and Sejkora , J. ( 2008 ) Kunatite, , a new member of the whitmoreite group, from Lake Boga, Victoria...

.... Mills S.J. Maas R. Hellstrom J.C. ( 2011 ) A chronology for Late Quaternary weathering in the Murray Basin, southeastern Australia: evidence from 230 Th/U dating of secondary uranium phosphates in the Lake Boga and Wycheproof granites, Victoria . Australian Journal of Earth Sciences...

... attention to the richness and diversity of Victoria’s gem minerals. Found in cavities in a granitic pegmatite, Lake Boga, Victoria, Australia. (Ca,Fe 3+ ) 2 Cu 5 (Bi,Cu)(PO 4 ) 4 (H 2 O,OH,Cl) 13 , monoclinic (pseudotetragonal), C 2/ m (?) Chukanov, N.V. et al. ( 1999 ): Zap. Vser. Mineral...