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Junction Deposit Carbonate Study Images
Images of replacement microstructures in carbonates from the Junction gold deposit near Kambalda in the Yilgarn Craton, Western Australia. Images show relationships between phases as calcite is replaced by dolomite and siderite. Included are the raw images as well as a full sized stitched version, a reduced resolution stitched image and a contrast ... moreadjusted image that shows variations in the back scattered electron response of both the siderite, and dolomite and calcite.
Igneous and Metamorphic Petrology
Mineralogy and Crystallography
Ore Deposit Petrology
back scattered electron image
Data were collected and stitched using the Bruker Esprit software. The phases in the contrast adjusted image were separated, adjusted and restitched using GIMP 2.
The data were collected from sample 250 as described in Polito et al. (2001), Australian Journal of Earth Sciences, 48, 833 - 855
The data were collected and processed by Mark Pearce
CSIRO Data Licence
Pearce, Mark (2013): Junction Deposit Carbonate Study Images. v1. CSIRO. Data Collection.
All Rights Reserved (including copyright) CSIRO Australia 2013.
The metadata and files (if any) are available to the public.
Examining the relationship between damage and chemical reaction fronts around gold deposits. The project combines microstructural and microchemical analysis techniques to examine in detail the relationship between deformation and alteration and how these relate to gold mineralisation
Imaging of chemical variations during replacement reactions
Quantitative and qualitative imaging and chemical mapping was carried out to complement crystallographic studies of mineral replacement reactions from ore bodies.
Zeiss Ultra Plus FEG-SEM with a Bruker XFlash 5030 EDX detector and a Bruker eFlash EBSD detector
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