A5020775274- Geological and Geochemical Analysis
- Geochemistry and Geologic Mapping
- Metal Extraction and Bioleaching
- earthquake and tectonic studies
- Minerals Flotation and Separation Techniques
- Geochemistry and Elemental Analysis
- Mineralogy and Gemology Studies
- Analytical chemistry methods development
- Geology and Paleoclimatology Research
- Mineral Processing and Grinding
- Mine drainage and remediation techniques
- Radioactive element chemistry and processing
- Paleontology and Stratigraphy of Fossils
- Clay minerals and soil interactions
- Water Quality and Resources Studies
- High-pressure geophysics and materials
- X-ray Spectroscopy and Fluorescence Analysis
- Laser-induced spectroscopy and plasma
- Metallurgical Processes and Thermodynamics
- Geomagnetism and Paleomagnetism Studies
- Groundwater and Isotope Geochemistry
- Extraction and Separation Processes
- Geological and Geophysical Studies Worldwide
- Ion-surface interactions and analysis
- Mass Spectrometry Techniques and Applications
University of Tasmania
2015-2024
The University of Adelaide
2024
Washington State University
2006-2022
Hobart Private Hospital
2017
Boise State University
2010-2012
Research Article| August 01, 2015 Synsedimentary to Early Diagenetic Gold in Black Shale-Hosted Pyrite Nodules at the Golden Mile Deposit, Kalgoorlie, Western Australia Jeffrey A. Steadman; Steadman † 1CODES (ARC Centre of Excellence Ore Deposits), School Physical Sciences, University Tasmania, Private Bag 79, Hobart, Tasmania 7001 †Corresponding author: e-mail, jeff.steadman@utas.edu.au Search for other works by this author on: GSW Google Scholar Ross R. Large; Large Sebastien Meffre;...
Abstract Trace element geochemistry of pyrite is widely used to monitor ore-forming processes various types deposits, but its application skarn mineral systems not well constrained due the multi-stage nature and complex associated assemblages for skarn-type pyrite. The Jiguanzui Au-Cu deposit in Middle-Lower Yangtze River Valley Metallogenic Belt (Eastern China) characterized by abundant that formed main-ore (Py1), late-ore (Py2), post-ore (Py3) stages, which makes it ideal unraveling...
A new reference material, STDGL3, for the calibration of in situ analyses sulfide minerals by LA‐ICP‐MS has been developed and characterised. It represents a lithium‐borate‐based glass containing mixture Zn‐ Fe‐sulfide concentrates doped with several chalcophile elements as well Zr, Gd, Hf Ta required assessing common interferences on Ag, Au Pt. STDGL3 wider range better homogeneity compared existing materials analysis sulfides. Compositional variations most are below 3% RSD, 5% RSD Pt, 7%...
Mineralization types at the Palaeoproterozoic Falun base metal sulphide deposit are predominantly pyritic Zn-Pb-Cu-rich massive mineralization, disseminated to semi-massive Cu-Au auriferous quartz veins, and mineralized shear zones of talc-chlorite-dominated schist. The mineralization were subject polyphase ductile deformation (D1 D2) metamorphism under low-P, lower-amphibolite facies conditions, which led development ore textures paragenetic relationships indicating both mechanical chemical...
Silicate-sulfide liquid immiscibility in mantle-derived magmas has important control on the budget of siderophile and chalcophile metals, is considered to be instrumental origin orthomagmatic sulfide deposits.Data primitive melts natural samples, even those
Longshan is an important Sb-Au ore deposit (3.7 Mt @4.5 wt. % Sb and 4.6 g/t Au) in the Xiangzhong metallogenic province (XZMP), South China. In present work, trace element composition, Sm-Nd isotope dating, Sr of scheelite from are used to constrain genesis deposit. Based on mineral assemblages geological characteristics, two types scheelites can be distinguished (Sch1 Sch2). Sch1 granular cemented by stibnite, while Sch2 commonly pyrite, calcite, quartz veins, indicating that later than...
We have developed a device that fires the laser in alignment with measurement cycle of sequential ICP-MS instruments, allowing quadrupole LA-ICP-MS analysis to be performed using fast response ablation cells.
Abstract The Otowi Member of the Bandelier Tuff erupted at ca. 1.60 Ma from Valles caldera (New Mexico, USA). It consists as much 400 km3 (dense rock equivalent) strongly differentiated high-silica rhyolite and shows systematic upward variations in crystallinity, mineral chemistry, trace element concentrations through its thickness, but major composition is almost constant near low-pressure granite minimum. Incompatible elements whole pumice fragments glasses show well-correlated linear...
Longshan is an important Sb-Au ore deposit (3.7 Mt @4.5 wt% Sb and 4.6 g/t Au) in the Xiangzhong metallogenic province (XZMP), southern China. The mineralization characterized by vein ores comprising quartz, stibnite, native gold, auriferous pyrite, arsenopyrite within Neoproterozoic Jiangkou Formation slate. paragenesis of can be divided into three stages, i.e., (1) stage 1 (pre-ore) composed euhedral coarse to nodular sedimentary pyrite deformed irregular quartz veins, (2) 2 marked...