Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Kirk C. Ross"'
Autor:
Andrew M. McDonald, Ingrid M. Kjarsgaard, Louis J. Cabri, Kirk C. Ross, Doreen E. Ames, Luca Bindi, David J. Good
Publikováno v:
The Canadian Mineralogist. 59:1833-1863
Oberthürite, Rh3(Ni,Fe)32S32, and torryweiserite, Rh5Ni10S16, are two new platinum-group minerals discovered in a heavy-mineral concentrate from the Marathon deposit, Coldwell Complex, Ontario, Canada. Oberthürite is cubic, space group , with a 10.
Autor:
Andrew M. McDonald, Doreen E. Ames, Ingrid M. Kjarsgaard, Louis J. Cabri, William Zhe, Kirk C. Ross, David J. Good
Publikováno v:
The Canadian Mineralogist. 59:1865-1886
Marathonite, Pd25Ge9, and palladogermanide, Pd2Ge, are two new platinum-group minerals discovered in the Marathon deposit, Coldwell Complex, Ontario, Canada. Marathonite is trigonal, space group P3, with a 7.391(1), c 10.477(2) Å, V 495.6(1) Å3, Z
Publikováno v:
Powder Diffraction. 29:337-345
X-ray diffraction (XRD) has been routinely employed in the Earth sciences to characterize the crystallography of rocks and minerals. Routine characterization of samples too small for analysis by classic automated powder diffraction methods becomes ch
Publikováno v:
Chemical Geology. 340:139-150
The significance of crystallographic control over trace element incorporation into minerals is now widely recognized. Its most accepted parameterization – the crystal lattice strain model – is increasingly being applied with success in experiment
Publikováno v:
Computers & Geosciences. 38:156-163
A new program capable of rapidly and accurately reducing a two-dimensional X-ray diffraction pattern obtained from a Debye-Scherrer or Gandolfi camera to a quantitative digital diffractogram is described. By implementing geometric optimization routin
Autor:
Louis J. Cabri, Andrew M. McDonald, Chris J. Stanley, Nikolay S. Rudashevsky, Vladimir N. Rudashevsky, Kirk C. Ross
Publikováno v:
The Canadian Mineralogist. 46:709-716
Nielsenite, PdCu 3 , a new mineral species discovered in the Skaergaard intrusion, Kangerdlugssuaq area, East Greenland, occurs in a tholeiitic gabbro associated with plagioclase, clinopyroxene, orthopyroxene, ilmenite, titanian magnetite, fayalite a
Autor:
Bruce R. Durham, Louis J. Cabri, Kirk C. Ross, Vladimir N. Rudashevsky, Andrew M. McDonald, Chris J. Stanley, Nikolay S. Rudashevsky, Glenn Poirier, James E. Mungall
Publikováno v:
The Canadian Mineralogist. 43:1735-1744
La ungavaite, Pd 4 Sb 3 , est une nouvelle espece minerale intermetallique decouverte dans le gisement Mesamax Northwest, dans la ceinture orogenique du Cap Smith, region d'Ungava, dans le nord du Quebec. Lui sont associes pyrrhotite monoclinique, pe
Publikováno v:
Journal of Solid State Chemistry. 177:1867-1872
The isostructural alkali thioferrate compounds CsFe2S3, RbFe2S3 and KFe2S3 have been synthesized by reacting Fe and S with their corresponding AFeS2 (A=K, Rb, Cs) precursors. The crystal structures of these and binary compounds of intermediate compos
Publikováno v:
Journal of Solid State Chemistry. 172:95-101
The structure of the synthetic fluoroperovskite, Na2LiAlF6 (simmonsite), has been determined by powder X-ray diffraction using the Rietveld method of structure refinement. The compound adopts space group P21/n [#14; a=5.2842(1); b=5.3698(1); c=7.5063
Publikováno v:
Physics and Chemistry of Minerals. 28:277-284
A series of fluoride perovskites related to neighborite was investigated using X-ray and neutron diffraction techniques, and Rietveld profile refinement of powder diffraction data. The series (Na1− x K x )MgF3 comprises orthorhombic (Pbnm, a ≈ ,