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Mount Morgan Ore Concentration
By Wilson O. A
TABLE OF CONTENTS1. Introductiona. Process Changes since 1939.b. Current Practice.2. Ore Characteristicsa. Copper Minerals.b. Gold Occurrence.3. Treatment of High Grade Acid Orea. The Ore Treatment Pl
Jan 1, 1952
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OFR-129-85 Refinement And Evaluation Of Basic Longwall Dust Control Techniques
By J. A. Kost
The contract objective was to evaluate the effectiveness of available dust-control technology for double-drum shearers. Eight underground surveys were conducted to evaluate drum design, drum spray noz
Jan 1, 1985
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Tectonic setting of some mineral deposits of the New Guinea Region
Mineral deposits of the central New Guinea region (Gunung Bijih, Ok Tedi, Mount Kare, Porgera, Frieda River) and of southeastern New Guinea (Wau-Edie Creek, Wafi, Hamata, Hidden Valley, Tolukuma,
Jan 1, 1991
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Present To Future Design Considerations Of Deep Foundations ? 1. Introduction
By William S. Gardner
It is certainly an honor to have been invited to address the Deep Foundation's Annual Meeting on such a vast and weighty topic as "Present to Future Design Considerations of Deep Foundations." Ac
Jan 1, 1991
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Technology News - No. 494 - Expert Miner Training Video Released By NIOSH
Objective To develop safety training tools for mine safety and health professionals that fill gaps in currently available materials. Background Over the past 4 years, NIOSH has developed and
Mar 1, 2002
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Technical Note - Southern Illinois white tripoli as filler, extender, and abrasive
By D. M. Avant, A. J. Solomon, S. M. Pickering, W. R. Fox
Introduction Most high purity silica is produced from crystalline quartz, generally from sand. However, there is a small area of southern Illinois where a porous, friable white chert rock is found
Jan 12, 1986
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Capacity Of Driven Piles In Sand
By Mohab Sabry
Pile foundations are used extensively around the world to support both inland and offshore structures, including important structures such as nuclear plants and oil drilling platforms. The limit of th
Jan 1, 2006
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Bulletin 154 Mining and Milling of Lead and Zinc Ores
By Clarence A. Wright
The Missouri-Kansas-Oklahoma lead and zinc district, better known as the Joplin district, includes the mines in southwest Missouri and in those parts of Kansas and Oklahoma that are directly adjacent.
Jan 1, 1918
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Mejora de la productividad aplicando la mejora continua
By Eder Salazar
El presente texto describe la optimización de la productividad en la empresa minera a través de la mejora contínua en la cadena de valor en SMEBSAA, los siete pasos de la calidad, proceso de mina, pla
Sep 12, 2005
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Inception and Evolution of Cenozoic Arc-Type Volcanism in Northern New Zealand
By P M. Black, T Itaya
Arc-type volcanic activity has been a major feature of the late Cenozoic geological evolution of the Pacific-Australian plate boundary in the northernNew Zealand region. The time/space distribution pa
Jan 1, 1995
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Bulletin 148 Methods for Increasing the Recovery from Oil Sands
By J. O. Lewis
In its efforts to reduce waste, and increase efficiencyin oil production, the Bureau of Mines is investigating methods of increasing the recovery from the underground sources of supply, which are the
Jan 1, 1917
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Bacteria Help Civil Engineers; Report Of A Pilot Project
By John W. M. Lambert
This paper describes the execution and the results of a new method to seal off leaks in water retaining constructions. The new method, called BioSealing is based on activating the bacteries, present i
Jan 1, 2006
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Educational Programs And Partnerships In Mineral Engineering
By Wijnand Dalmijn, Hans de Ruiter
Experience over the past eight years has proven that partnership and cooperation in mineral engineering education is essential to maintain programs in this field. At this moment the joint European Min
Jan 1, 2005
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Performance And Experiential Development Of The Mobile Miner At Mount Isa
By R. J. Boyd
SUMMARY The productivity of drill and blast methods of mining in hard rock is limited by the cyclic nature of the operation, and a plateau of performance has been reached, even with the most advanc
Jan 1, 1987
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Design Parameter For Jacked Pile
By Sugie Prawono
Jacked pile is the only piling system in which the load capacity of the pile, at any penetration depth, could be monitored directly during its installation process. Each installed pile could have a gr
Jan 1, 1999
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RI 6005 Methods For Determining Microquantities Of Impurities In Tungsten
By J. G. Haymes
This report by the Bureau of Mines is the first of two proposed papers on evaluation of spectrophotometric, spectrographic, polarographic, and other analytical methods for quantitatively determining i
Jan 1, 1962
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Quality Control For Installation Of Augered Cast-In-Place Piles
By Francis J. Arland
The installation of augered cast-in-place (ACIP) piles requires careful quality control to assure a successful pile installation. Unlike steel, pre-stressed concrete or other types of driven piles, wh
Jan 1, 1997
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Piling Projects Constructed With Vinyl Polymer Support Fluid In Glasgow, Scotland
By Derek J. Lennon
Ground conditions in central Glasgow generally comprise loose granular deposits overlying stiffer soils. CFA piling would normally be preferred for urban sites in these ground conditions, but flightin
Jan 1, 2006
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Shanxi Wanjiazhai Yellow River Diversion Project—Lots II & III
By Edgardo Fogli, Mario Lampiano, Antonio Nicola
The project is located in the northern region of the People’s Republic of China and was awarded to Impregilo, as sponsor of the Wan Long Joint Venture, in September1997. The project consists of fo
Jan 1, 2001
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Underground Mine Stream Crossing Assessment: A Multidisciplinary Approach
Underground mine designs typically try to avoid extraction beneath streams and rivers of any significant size, especially when the overburden rock thickness between the stream bed and the mine is thin
Jul 28, 2020