1-20 OF 3510 RESULTS FOR

micro-X-ray diffraction analysis

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
×Close Modal
Sort by
Journal Article
Published: 01 February 2008
American Mineralogist (2008) 93 (2-3): 351-359.
...Hiromi Konishi; Peter R. Buseck; Huifang Xu; Xiaochun Li Abstract Proto-polymorphs of jimthompsonite and chesterite occur in metamorphosed serpentinites from two Japanese ultramafic complexes. The lattice constants of the proto triple-chain silicate, measured by X-ray diffraction, are a = 0.93605...
FIGURES | View All (9)
Journal Article
Published: 01 August 2012
European Journal of Mineralogy (2012) 24 (4): 599-606.
...). Under the optical microscope only the largest inclusion is barely visible (see Fig. 1 ). The diamond and its inclusion content have been characterised by X-ray computed micro-tomography and single-crystal X-ray diffraction. Table 1 Crystal structure refinement details for the garnet inclusion...
FIGURES
Journal Article
Published: 01 April 2010
American Mineralogist (2010) 95 (4): 582-591.
... of secondary phases. Micro-Raman spectroscopy (μRS) and micro-scanning X-ray diffraction (μSXRD) were used for mineralogical identification and for mapping the distribution of these alteration products. The two mining sites are characterized by different pH conditions and sedimentary environments. Enguialès...
FIGURES | View All (7)
Journal Article
Published: 01 May 2014
American Mineralogist (2014) 99 (5-6): 943-947.
... prior to injection. Future applications would benefit from an additional thermocouple or remote infrared thermometer analyzing the temperature at the incident X-ray beam location. This temperature-controlled stage extends the capability of μXRD to enable X-ray diffraction analysis of many solids...
FIGURES | View All (5)
Journal Article
Published: 01 August 2015
American Mineralogist (2015) 100 (8-9): 1899-1911.
... in this study, but it likely took the advent of precise computer analysis of digital micro-X-ray diffraction (μXRD) images for the method to become a feasible reality. He (2009) formulated a modern method of calculating crystallite size from 2D XRD using multi-wire detectors and computer software...
FIGURES | View All (5)
Journal Article
Published: 01 December 2014
Mineralogical Magazine (2014) 78 (7): 1517-1525.
... using the direct-space method ( EPCryst ) from laboratory micro X-ray diffraction (μXRD) data and refined by the Rietveld method. The R values of the final Rietveld refinement were R p = 9.06%, R wp = 8.31%, R B = 3.16 and R F = 2.17%. Kiddcreekite has a cubic structure, space group F 4İ3 m and lattice...
FIGURES | View All (4)
Journal Article
Published: 01 August 2005
The Canadian Mineralogist (2005) 43 (4): 1243-1254.
... crystalline, making accurate identification difficult. As part of a study to examine arsenic mobility within the arsenopyrite residue stockpile, Snow Lake, Manitoba, arsenic-rich secondary phases were examined by a combination of micro X-ray diffraction (μXRD) and electron-probe micro-analysis (EPMA...
FIGURES | View All (6)
Journal Article
Published: 28 September 2007
Canadian Journal of Earth Sciences (2007) 44 (9): 1333-1346.
... in Snow Lake, Manitoba were examined by μXRD to determine the secondary mineral containing arsenic. Chemical analysis had determined that Fe:As = 1:1, but the degree of hydration was unknown. Micro X-ray diffraction determined the host to be scorodite (FeAsO 4 ·2H 2 O). Examination of the GADDS images...
FIGURES | View All (10)
Journal Article
Published: 19 February 2018
Quarterly Journal of Engineering Geology and Hydrogeology (2018) 51 (2): 169-178.
... diffraction techniques. However, this paper presents X-ray computed micro-tomography as a new laboratory method in this field, which also allows for 3D visualization and analysis of iron sulphide distribution in roofing slates. It also discusses some technical limits of this technique and tomographic scan...
FIGURES | View All (7)
Journal Article
Published: 01 November 2018
American Mineralogist (2018) 103 (11): 1800-1811.
... , 75 , 3318 – 3334 . Jahanbagloo , I. 1969 X-ray diffraction study of olivine solid solution series . American Mineralogist , 54 , p. 246 -+ . Jarosewich , E. Nelen , J.A. , and Norberg , J.A. 1980 Reference Samples for Electron Microprobe Analysis...
FIGURES | View All (7)
Journal Article
Published: 01 February 2012
American Mineralogist (2012) 97 (2-3): 480-483.
... . Rehbein S. Heim S. Guttmann P. Werner S. Schneider G. ( 2009 ) Ultrahigh-resolution soft-X-ray microscopy with zone plates in high orders of diffraction . Physical Review Letters , 103 , 110801 . Richardson I.D. ( 2004 ) Tobermorite/jennite- and tobermorite/calcium...
FIGURES
Journal Article
Published: 01 September 2016
American Mineralogist (2016) 101 (9): 1996-2004.
... the connection threshold. Recently, synchrotron-based X-ray micro-tomography (3D) analysis of quenched samples ( Shi et al. 2013 ) and quenched samples coupled with numerical simulations on both the olivine-basalt system ( Zhu et al. 2011 ; Miller et al. 2014 ) and the olivine Fe-S system ( Watson and Roberts...
FIGURES | View All (9)
Journal Article
Published: 01 December 2001
The Canadian Mineralogist (2001) 39 (6): 1617-1633.
... for the refinement of crystal-structure parameters ( Rietveld 1969 ) but has been expanded over the last ten to fifteen years for application in quantitative phase-analysis. The method is based on a least-squares fit between step-scan data of a measured diffraction pattern and a simulated X-ray-diffraction pattern...
FIGURES | View All (10)
Journal Article
Published: 01 May 2013
American Mineralogist (2013) 98 (5-6): 870-878.
... ) is an excellent match to the computed EBSD pattern obtained using the cell parameter of the cubic structure from the synchrotron micro-diffraction analysis with resulting mean angular deviations as low as 0.35. X-ray powder-diffraction data ( Table 3 , in angstroms for Cu K α 1 , in Bragg-Brentano geometry) were...
FIGURES | View All (7)
Journal Article
Published: 01 April 2017
Mineralogical Magazine (2017) 81 (2): 339-354.
..., a comprehensive crystal-chemical study of the narsarsukite from the Murun massif, Russia was carried out by means of electron microprobe analysis (EMPA), single-crystal X-ray diffraction and micro-FTIR spectroscopy on the same crystal. X-ray photoelectron spectroscopy (XPS) was also employed on a powdered sample...
FIGURES | View All (4)
Journal Article
Published: 01 June 2009
The Canadian Mineralogist (2009) 47 (3): 493-508.
... elements ( e.g., ~500 μg/L Cu, ~3700 μg/L Zn). Micrometric-scale mineralogical investigations were performed on the authigenic metal-bearing phases (less than 10 μm in size) using electron-probe micro-analysis (EPMA), micro-Raman, micro X-ray absorption spectroscopy (μXAS), scanning X-ray diffraction...
FIGURES | View All (6)
Journal Article
Published: 01 November 2017
American Mineralogist (2017) 102 (11): 2235-2243.
... using the CrysAlis software (Rigaku Oxford Diffraction). The instrument is able to perform in “micro powder diffraction mode” to acquire X-ray diffractograms on polycrystalline grains entrapped in diamond crystals with size down to 20–10 μm. The analysis of the inclusions still trapped within...
FIGURES | View All (5)
Journal Article
Published: 15 May 2018
Mineralogical Magazine (2018) 82 (4): 975-992.
...; and (2) on spinel-melt partitioning means that the potential for a Mn-in-spinel oxy-barometer remains largely untested. Here, we use electron probe microanalysis, micro-focus X-ray Absorption Near Edge Structure (XANES) spectroscopy and single-crystal X-ray diffraction (SC-XRD) to investigate cation...
FIGURES
Journal Article
Published: 01 October 2002
American Mineralogist (2002) 87 (10): 1494-1499.
... in the reference database. As with any desummation technique, there can also be some concerns about the uniqueness of the analysis. In addition, there is no direct link to the actual solid phases (mineral or organic) present in the sample. X-ray micro-diffraction and micro-fluorescence, as an adjunct to EXAFS...
FIGURES | View All (4)
Journal Article
Published: 01 July 2012
American Mineralogist (2012) 97 (7): 1219-1225.
... beamline of the Advanced Photon Source in the Argonne National Laboratory using a 250 × 400 nm 2 polychromatic X-ray beam and an array of Perkin-Elmer amorphous Si area detectors. Micro-Laue diffraction is an important tool in examining orientation and strain in polycrystalline samples down to micrometer...
FIGURES | View All (6)