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Tectonic setting, deep faults and mercury mineralization at Almaden, Spain and Nikitovka, Ukraine: affinities and contrasts
By Boorder De, B. S. Panov, A. B. Westerhof, V. A. Korcemagin
Paper presented at the conference on Economic geology in Europe and beyond II, models for <mineral deposits> in sedimentary <basins>, held in Keyworth, UK, 13-14 April 1994. The Hg and Sb deposits of
Apr 1, 1995
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The Design of Draft Tube Circulators
Draft tube circulators are now widely used instead of Pachucas for suspension of slurries in large tall tanks.Precipitators in the alumina industry are an example.Draft tube/tank diameter ratio is cri
Jan 1, 1982
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ALLIN WASIMASINTIN WAYQE PANANTIN IMA* Empezando bien desde el inicio. Metodologías participativas y de gestión en los contextos sociales de la Exploración Minera Responsable: la consulta previa, libre e informada.
By Gustavo Quiquia Mucha
El presente texto describe las experiencias realizadas por la Compañía Minera Milpo SAA en el marco de una gestión social basada en la consulta previa, libre e informada en la Exploración Minera Respo
Sep 12, 2011
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Reconnecting The Rogue River To The Channel Migration Zone: An In-Channel Bank Stabilization Project
By E. F. Schnitzer, D. R. Haight, G. T. Krogman
The 1997 New Year’s Day Rogue River flood near Medford, Oregon, USA, entered historic channels, eroded a 150-foot-wide buffer, and captured an inactive gravel pond located within the channel migration
Jan 1, 2006
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The Effects of Nuggety Gold on Gold Deportment – Lessons from Beaton Creek Paleo-Placer Gold Project, Australia
By Mark McComb, Geoffrey R. Lane
"Over the years many differing approaches have been developed to clearly understand the nature, mode of occurrence, associations and deportment of both free-milling and refractory gold in a wide varie
Jan 1, 2015
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Significance of Ion Interactions in Flotation in Saline and Brine Solutions
Significance of Ion Interactions in Flotation in Saline and Brine Solutions
Sep 13, 2010
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Annual Review 2003 - Mining Review
By P. A. Plunkert, D. E. Morse, L. McCartan, S. F. Sibley
The average annual growth rate of real gross domes-tic product (GDP) from the third quarter of 2001through the second quarter of 2003 in the United States was about 2.6 percent. GDP growth rates in th
Jan 1, 2004
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Validity Range of the Discrete Gaussian Change-of-Support Model and its Variant
By J. -P. Chilès
The discrete Gaussian model is a very popular change-of-support model for estimating block grade distributions. It is designed for a stationary random function Z(x) that is regarded as the transform o
Jan 1, 2014
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A Simple Method for Making Stereoscopic Photographs and Micrographs
By Louis Moyd
In the preparation of illustrations to accompany reports of investigations concerning particle shapes of various natural and manufactured materials proposed for use as fine aggretates in concrete stru
Jan 1, 1949
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Beach Sewer Tunnel Rehabilitation ? Introduction
By Albert Ruiz
South Coast Water District (District) operates the Beach Interceptor Sewer Tunnel (BIST) in South Laguna, Orange County, California between Mon-arch Beach and Aliso Beach (Figure 1). The 10,424-foot l
Jan 1, 2008
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Sustaining a natural balance: A practical guide to integrating biodiversity into Rio Tinto's operational activities
In the past decade, the increased engagement of business in debates around sustainable development has prompted recognition of the importance of biological diversity at the local, national and global
Apr 1, 2005
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Minerals Beneficiation - Modernization of Bunker Hill Presintering Practices
By H. E. Lee, D. Ingvoldstad
AT Bunker Hill the original charge storage and preparation system was installed in 1917 to accommodate lead-silver gravity mill products. Only minor tonnages of wet fines such as vanner and flotation
Jan 1, 1957
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J?Crete: An Engineered Cementitious Composite Rock Coating
By Alan A. Campoli
The mining industry has long been searching for an effective structural application that prevents weathering and falls of loose rock, debris, and sediment. J-Crete is a fiber-reinforced, engineered, c
Jan 1, 2012
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Economic Decision-Making For Methane Drainage Systems For Underground Coal Mines – Preprint 97-157
By J. M. Mutmansky, A. Wang
This paper defines the elements of a basic economic model for decision-making when considering a methane drainage system for an underground coal mine. A drainage system will require significant capita
Feb 24, 1997
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Characteristics of Seismic Field Generated by Bed Separation and Application Seismic Technique for Exploration of Bed Separation and Grouting Research
By Jiulong Cheng
Underground coal mining causes overburden deformation and failure, one major form of which is bed separation in the overburden. Surface subsidence can be controlled by injecting grout into the bed sep
Jan 1, 2006
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Evolution of the concept of the liberation factor and a surprising new result
By D François-Bongarçon
After a review of the progresses made on the liberation factor theory since its inception by Gy (1982), a new and surprising result of great practical importance is presented: the liberation factor. F
May 9, 2017
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An in-Shovel Camera-based Technology for Automatic Rock Size Sensing and Analysis in Open Pit Mining
By Shahram Tafazoli
This article presents a novel technology for sensing the size of rocks after blasting in hard rock mines. Blast engineers require rock size statistics to carefully adjust the blasting parameters. The
May 1, 2009
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East Side Access - Segmental Lining Design Challenges for Closely Spaced and Shallow Tunnels
By D. I. Smith
Constructing tunnels in congested urban areas requires tunnels to be placed closer together and with less cover than was previously necessary. Contract CQ031 of New York?s East Side Access project wil
Jan 1, 2008
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Technical Papers and Notes - Institute of Metals Division - Effect of Crystallographic Orientation and Oxygen Content on Knoop Hardness Values of Iodide Titanium
By C. Feng, C. Elbaum
Knoop hardness measurements were carried out on large grains of iodide titanium containing different amounts of oxygen. For each oxygen content the hardness is recorded ainingas a function of the crys
Jan 1, 1959
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GRP Piping Applications In An Aggressive Environment ? Summary
By P M. Bradbury
The nature of aggressive process chemical requirements typically in the Platinum Refinery Industries, lend themselves to the use of Polymer Composite Glass Reinforced plastics for pipework and other a
Jan 1, 2006