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CreatorTitleDescriptionSubjectDate
51 Miller, Jan D.; Lin, Chen-LuhFine coal washability-liberation analysis by cone-beam X-Ray microtomographyA new method based on cone-beam x-ray microtomography is described for direct determination of the three-dimensional liberation spectrum of multiphase particles 100 microns in size or less. Such a technique may provide the basis for more detailed and accurate washability analysis in fine coal chara...Spectrum; Sink-float; Density1996
52 Chapman, David S.Techniques, analysis, and noise in a Salt Lake Valley 4D gravity experimentRepeated high-precision gravity measurements using an automated gravimeter and analysis of time series of 1-Hz samples allowed gravity measurements to be made with an accuracy of 5 μGal or better. Nonlinear instrument drift was removed using a new empirical staircase function built from multiple ...Gravity measurements2008
53 Miller, Jan D.; Lin, Chen-LuhDevelopment of a PC, image-based, on-line particle size analyzerA PC, image-based, on-line instrument for measuring coarse particle size on a conveyor belt is under development. The hardware and software required to implement such a system are discussed, including the interface for the special image-acquisition hardware. The system concept is given with exampl...1993
54 Zhdanov, Michael S.Integral equation method for 3D modeling of electromagnetic fields in complex structures with inhomogeneous background conductivityWe present a new formulation of the integral equation (IE) method for three-dimensional (3D) electromagnetic (EM) modeling in complex structures with inhomogeneous background conductivity (IBC). This method overcomes the standard limitation of the conventional IE method related to the use of a horiz...3-D modeling; Integral equation method; Marine controlled-source electromagnetic data; MCSEM; Gemini Prospect; Gulf of Mexico2006
55 Reichler, Thomas J.GCIP water and energy budget synthesis (WEBS)As part of the World Climate Research Program's (WCRPs) Global Energy and Water-Cycle Experiment (GEWEX) Continental-scale International Project (GCIP), a preliminary water and energy budget synthesis (WEBS) was developed for the period 1996-1999 from the "best available" observations and models.Hydrologic cycle; Water cycle; Water and energy budgets; Regional models; Land surface models2002
56 Chapman, David S.Exhumation of the central Wasatch Mountains, Utah: 1, Patterns and timing of exhumation deduced from low-temperature thermochronology dataThe Wasatch Mountains are often cited as an example of normal fault growth and footwall flexure. They represent a tilted footwall at the edge of the Basin and Range extensional province, a major rift basin. Thus understanding the detailed spatial and elevation changes in coupled thermochronometer da...Uplift; Exhumation; Wasatch Fault; Wasatch Mountains; Utah; Helium dating; Fission track; Tectonophysics; Extensional tectonics; Geothermal observations2002
57 Brown, Francis HaroldOn the environment of Aramis a comment on White in Domínguez-RodrigoDepartment of Geology, University of Utah, 115 South 1460 East, Room 383 Sutton Building, Salt Lake City, Utah 84112, U.S.A. (Cerling and Brown) (thure.cerling@utah.edu)/ Department of Geology, University of South Florida, Tampa, Florida 33620, U.S.A. (Wynn). This paper was submitted 9 I 14 and acce...2014-01-01
58 Brown, Francis HaroldMagnetostratigraphy of the shungura and usno formations, Southwestern Ethiopia: new data and comprehensive reanalysis1978
59 Chapman, David S.Monitoring aquifer recharge using repeated high-precision gravity measurements: a pilot study in South Weber, UtahRepeated high-precision gravity surveys were conducted over two infiltration cycles on an alluvial-fan aquifer system at the mouth of Weber Canyon in northern Utah as part of the Weber River Basin Aquifer Storage and Recovery Pilot Project (WRBASR). Gravity measurements collected before, during, an...Aquifer recharge; Gravity measurements; Infiltration ponds; Weber River Basin Aquifer Storage and Recovery Pilot Project2008
60 Brown, Francis HaroldMagnetostratigraphy of the shungura and usno formations, lower Omo Valley, Ethiopia1976
61 Miller, Jan D.Cone beam X-ray microtomography - a new facility for three-dimensional analysis of multiphase materialsAs the techniques and resolution for three-dimensional spatial analysis have advanced in the last decade, it is now possible to map in detail the micro structure of multiphase materials in three-dimensional digital space. In this regard, three-dimensional X-ray microtomography offers a unique imagin...Cone beam X-ray microtomography; Three-dimensional analysis; Material characterization2002
62 Chapman, David S.Regional heat-flow variations across the sedimented Juan de Fuca Ridge eastern flank: constraints on lithospheric cooling and lateral hydrothermal heat transportSeafloor heat flow has been estimated continuously along a transect on the sedimented eastern flank of the Juan de Fuca Ridge to provide constraints on the scale and rate of lateral heat and fluid transport in the upper igneous crust, and on the total flux from the young lithosphere beneath. The ...Juan de Fuca Ridge; Seafloor; Lithospheric cooling; Hydrothermal heat transport1999
63 Jarrard, Richard D.Data report: high-resolution mineralogy for leg 199 based on reflectance spectroscopy and physical propertiesDuring Ocean Drilling Program Leg 199 in the equatorial Pacific, visible and near-infrared spectroscopy (VNIS) was used to measure the reflectance spectra (350?2500 nm) of 1343 sediment samples. Reflectance spectra were also measured for a suite of 60 samples of known mineralogy, thereby providing a...2004
64 Miller, Jan D.Three dimensional analysis of particulates in mineral processing systems by cone beam X-ray microtomographyIn general, X-ray-computed tomographic (CT) techniques are capable of providing three-dimensional images of the internal structure of opaque materials in a nondestructive manner. The unique cone beam geometry allows acquisition of all two-dimensional projections with only one rotation of the sample,...Cone beam CT; X-ray microtomography; Liberation analysis; Particle shape; Heap leaching; Exposure analysis; Coal washability2004
65 Rajamani, RajOnline SAG mill pulse measurement and optimization semi-annual technical progress reportThe grinding efficiency of semi autogenous milling or ball milling depends on the tumbling motion of the total charge within the mill. Utilization of this tumbling motion for efficient breakage of particles depends on the conditions inside the mill. However, any kind of monitoring device to measure...2006
66 Zhdanov, Michael S.Three-dimensional quasi-linear electromagnetic modeling and inversionThe quasi-linear (QL) approximation replaces the (unknown) total field in the integral equation of electromagnetic (EM) scattering with a linear transformation of the primary field. This transformation involves the product of the primary field with a reflectivity tensor, which is assumed to vary slo...1999-01-01
67 Miller, Jan D.; Herbst, John A.Factors affecting droplet size distributions produced in dispersed phase mixersDroplet size distributions were determined by stabilizing in gelatin and measurement of the distributions by means of computerized image analysis. Several variables that affect droplet sizes were studied and the resulting size distributions were modeled via a population balance equation. Key paramet...Gelatin; Phases; Agitating1981
68 Zhdanov, MichaelThree-dimensional quasi linear electromagnetic inversionOne of the most challenging problems of electromagnetic (EM) geophysical methods is developing three-dimension(a3l- D) EM inversion techniques. This problem is of utmost importance in practical applications because of the 3-D nature of the geological structures.T he main difficulties in 3-D inversio...1996-01-01
69 Miller, Jan D.; Lin, Chen-Luh3D analysis of particulates in mineral processing systems by cone beam X-ray microtomographyIn general, x-ray computed tomographic (CT) techniques are able to provide 3D images of the internal structure of opaque materials in a nondestructive manner. The unique cone beam geometry allows acquisition of all 2D projections with only one rotation of the sample thus providing for fast data acqu...X-ray microtomography; Liberation; Heap leaching; Exposure analysis; Coal washability2003
70 Chandran, RaviMicrostructure and thermal conductivity of thermal barrier coatings processed by plasma spray and physical vapor deposition techniquesThe temperature dependence of the thermal conductivity of multilayer coatings made by a plasma spray technique as well as some coatings made by physical vapor deposition (PVD) was investigated. The multilayer coatings consisted of a varying number of layers of AI2O3 and Zr02 stabilized by 8%Y203. Pl...Thermal barrier coatings; Multilayer coatings; Plasma spray technique1996
71 Steenburgh, William JamesGreat Salt Lake-effect precipitation: observed frequency, characteristics, and associated environmental factorsThis climatology examines the environmental factors controlling the frequency, occurrence, and morphology of Great Salt Lake-effect (GSLE) precipitation events using cool season (16 September-15 May) Weather Surveillance Radar-1988 Doppler (WSR-88D) imagery, radiosonde soundings, and MesoWest surfac...2012-01-01
72 Zhdanov, MichaelDiscussion and reply: comments on "electromagnetic geophysics: notes from the past and the road ahead"The direct current and electromagnetic methods have been around for almost 180 years and have been applied successfully in mining, petroleum, geotechnical, engineering, environmental, groundwater, and tectonic studies. Over such a long period of time, it is possible to lose track of who the pioneers...2012-01-01
73 Miller, Jan D.Experimental evaluation of a mineral exposure model for crushed copper oresCopper mineral inclusions dispersed in crushed ore particles have a certain size distribution (grain-size distribution). For efficient heap leaching processes, the crushing plant should be designed and operated to crush the ore to an appropriate particle-size distribution so that copper mineral grai...Grains; Particles; Distribution2006
74 Steenburgh, William JamesEpisodic dust events of Utahs Wasatch Front and adjoining regionEpisodic dust events cause hazardous air quality along Utah's Wasatch Front and dust loading of the snowpack in the adjacentWasatch Mountains. This paper presents a climatology of episodic dust events of the Wasatch Front and adjoining region that is based on surface weather observations from the Sa...2012-01-01
75 Miller, Jan D.A new cone beam X-ray microtomography facility for 3D analysis of multiphase materialsThree-dimensional x-ray microtomography offers a unique imaging capability. Spatial resolution on the order of ten microns can be achieved with the use of microfocus x-ray generators. Recently, a state-of-the-art, flexible cone beam x-ray microtomography system has been installed at the University o...2001-01-01
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