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Rhenium in Molybdenite: a Database Approach to Identifying Geochemical Controls on the Distribution of a Critical Element Mining, Metallurgy and ExplorationBy Isabel F. Barton, MarkD. Barton, Christian A. Rathkopf
Molybdenite is the world’s principal source of rhenium (Re), a critical element in multiple high-tech applications. However, the Re contents in molybdenite vary by orders of magnitude on scales rangin
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Coal: Persistent Problems Delay Boom EraBy Dennis Keay, Barbara Schickner, P. L. Longenecker, Glenn J. Philips, Lee Rice, Herman E. Knight, Wayne E. Veneman, B. W. Washington, Robert S. Hess
The outlook for coal continued to improve in 1980, fueling expectations that a long-awaited boom is at hand. The surprising surge in coal exports contributed to the latest wave of optimism. Overseas e
Jan 5, 1981
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Advances in Industrial Ball Mill Media SizingBy T. P. Weldum, W. Conger
"These studies address the relationship between mill media sizing and its grinding efficiency. Starting with the results from a review of the literature, the issues of initial media sizing for a new b
Jan 1, 2018
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A Large Eddy Simulation Model of Air Flow and Pollutant Transport in a Deep Open Pit Mine Under Arctic InversionBy K. V. Raj
As open pit mines continues to grow deeper, managing air pollution can become challenging. During arctic air inversion, the temperature of the air over the mine increases with altitude, and the cold,
Feb 23, 2014
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Hydraulic Maintenance Of A Continuous Mining Machine Using Diagnostic Expert System TechniquesMachine breakdowns and maintenance delays are large contributors to lost production and increased operating costs in the mining industry. The U.S. Bureau of Mines is investigating the applications of
Jan 1, 1990
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An Empirical Model for Accurate Prediction of Yield Stress by Slump Flow Based on a Mini‑cylindrical Mold - Mining, Metallurgy & Exploration (2023)By Aixiang Wu, Minjie Zhang, Zhuen Ruan, Yiming Wang
This paper combines theoretical and experimental analysis to conduct relevant research to improve the accuracy of predicting paste yield stress by slump flow. The analytical model of slump flow for yi
Jun 1, 2023
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Exploring worker experience as a predictor of self-reported routine and nonroutine safety performance in the mining industryBy CASSANDRA L. HOEBBEL, Emily J. Haas, MARGARET E. RYAN
Researchers examined datasets from two separate studies that measured common demographic variables but different safety performance outcome variables. Of specific interest was how types of experience
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Incentive Pay System At The Homestake Mining CompanyBy Joel K. Waterland
The Homestake Mining Company at Lead, South Dakota is one of the few remaining gold properties still in operation, in this country. The mine is relatively deep, with a bottom production level of 42
Jan 1, 1960
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Technical Review Of Mine DevelopmentBy D. Tolgyesi, L. P. Gignac
Mine development has evolved in the past 15 years from a human-paced system using hand-held drills and track-bound equipment to a mechanized system using specialized equipment for each component of th
Jan 1, 1983
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Case Study Of The Conda Partnership's Dry Valley Phosphate Mining Project ? IntroductionBy Mark A. Krall
The Conda Partnership's Dry Valley Phosphate mine is a thinly bedded, multiple seam, open pit mining operation where selective mining techniques are used to recover phosphatic shales. The mining
Jan 1, 1984
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State-Of-The-Art Of High Capacity Shiploading Systems - The Rationale For High CapacityBy Paul Soros
There has been a steady increase in shiploading capacities in the last 20 years. One of the reasons has been the general increase in ship sizes, with the largest vessels currently around 280,000 DWT i
Jan 1, 1982
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Out of the comfort zone: Quantifying country risk for foreign mining project investment feasibilityBy MATT RENAUD, Mustafa Kumral
Mining corporations have spread their operations worldwide in the last few decades. The reason behind widening operations geographically can be seen as it being part of a risk diversification strategy
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Classification Of Rock Masses To Distinguish Self-Supporting Tunnels From Those Requiring Support ? IntroductionBy Nick Barton
The ability to estimate that support is unnecessary for various dimensions of opening in certain rock mass environments is of particular relevance in the mining industry, where most excavations are no
Jan 1, 1975
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Mining And Ore Control Procedures At Gold Fields' Ortiz MineBy David M. Rubio
The Ortiz Mine is an open pit-heap leach gold operation in central New Mexico processing about 3,100 tonnes (3,400 short tons) per day. It is the initial mining property in the United States developed
Jan 1, 1984
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Agglomeration And Utilization Of Coal FinesBy C. A. Holley
The generation of coal fines is a growing problem which has serious environmental and resource recovery Impact. Several methods of agglomeration are studied including the production of briquettes for
Jan 1, 1986
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Dolph Abandoned Mine Fire Control ProjectBy Thomas A. Gray
The Dolph Mine fire site is located in Lackawanna County, PA, approximately three miles northeast of the city of Scranton. The fire was burning in both coal refuse (culm) and underground anthracite mi
Jan 1, 2009
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Correlations Of Grinding Mill Structural Design Procedures (PREPRINT NUMBER 92-194)By V. Svalbonas
When the Trelleborg Divisions of Boliden Allis and MPSI merged, a unique opportunity occurred for two independent mill fabricators to compare various design procedures and the research upon which they
Jan 1, 1992
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Experimental Study on Influence of Additional Stress Induced by Hydrophobic Drainage on Vertical Shaft‑Lining - Mining, Metallurgy & Exploration (2023)By Xiaohong He, Qing Yu, Kaixiang Zhang, Rui Guo, Minghua Lin, Haoyu Miao
With the increasing depth of coal mining, the coal mine shaft traverses’ strata conditions become more and more complex. Shafts are often located in deep thick strata with unstable aquifers, and coal
Mar 16, 2023
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Easy Areas for Improvement and Good Ideas I've Seen When Reviewing Plant Operations-From a Prominent Consultant in Base and Precious MetalsBy Terry McNulty
DOUG HALBE: I've decided that we're going to change tactics here and we're going to be nice to people from now on. [Co-chair makes gesture of intense disbelief; laughter] I've also
Jan 1, 1998
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Selection of TBM Backup SystemsBy Anthony J. Peach
With the new generation of so called "Super TBM", we would all expect to witness the implied super-performance. In some instances this is occurring, but one must ask why is it not occurring in the maj
Jan 1, 1995