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BORON - Its Past, Present And Future ? SummaryBy D. S. Dinsmoor
Boron, estimated to comprise about 0.001 percent of the earth's crust (Fleischer 10), as an element is never found free in nature, although its compounds are found in many localities. the bora
Jan 1, 1958
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Investigating Strength Anisotropy of Plain and Steel Fiber Reinforced Shotcrete - Mining, Metallurgy & Exploration (2023)By Muhammad Azeem Raza, Muhammad Zaka Emad, Muhammad Usman Tahir, Saqib Ahmad Saki, Muhammad Usman Khan
Shotcrete is a key initial rock support component used in underground mining and civil projects. The strength of shotcrete plays a vital role in providing and deciding the support adequacy. The streng
Dec 26, 2022
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Concentradora ?Do[n]a Aida? Design, Construction And Operation CostsBy Adrian C. Dorenfeld
Concentradora "Dana Aida" (100 t/d capacity) was built in 1971-1972 to treat dumps and ores containing mixed oxide-sulfide copper-gold-silver minerals from two veins. The veins, Don Felipe and aria ar
Jan 1, 1979
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Cost And Production Analysis For Haulback Contour MiningBy J. H. Gasper
A cost analysis for two alternative contour mining methods is performed to compare their results. The methods evaluated are: 1) Front-End Loader/Truck Haulback and 2) Scraper Haulback. Before performi
Jan 1, 1992
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Testing For Autogenous And Semi-Autogenous Grinding - A Designer's Point Of View ? IntroductionBy D. J. Barratt
The application of autogenous and semi-autogenous grinding circuits in recent years has contributed toward substantial savings in capital and operating costs compared to conventional circuits, particu
Jan 1, 1985
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Ground Support Systems for Heavy, Squeezing Ground at Burgin MineBy Donald O. Rausch, William E. Hawkes, Odin Jr. Strandberg
INTRODUCTION Kennecott Copper Corp.'s Tintic Div. Burgin mine is a 725 t/d (800 stpd) lead-zinc producer, located in the east Tintic mining district, 5.6 km (3.5 miles) east of Eureka, and 130
Jan 1, 1982
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A Framework for Detecting and Extracting Discontinuities Based on Machine LearningBy Jianbo Hu, Tao Zheng, Zhao Qihua, Rui Su
Rock mass discontinuities play a significant role in evaluating the stability of rock slopes. It is necessary to collect and analyze these discontinuities to fully understand the mechanical and deform
Nov 6, 2022
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Advancements in Removing Fluorine from Copper Concentrate - Mining, Metallurgy & Exploration (2023)By Shangyong Lin, Wei Sun, Weiping Liu, Muhammad Azam, Junfeng Chen, Yujie Zhao, David Asubonteng, Michael Ngoie
Copper concentrates are widely used in smelting operations worldwide and typically consist of chalcopyrite ( CuFeS2) as the primary mineral, with chalcocite ( Cu2S) and bornite ( Cu5FeS4) as secondary
Aug 2, 2023
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Local-Level Permitting Problems In Colorado's Aggregate Industries ? IntroductionBy Stephen D. Schwochow
Aggregate producers nationwide well recognize the numerous problems often faced in securing local approval to open and operate new gravel pits and rock quarries. Similar problems are faced in Colorado
Jan 1, 1982
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Effect Of Cycle Time On Work Done By The Pistons During Hydraulically Actuated Clamshell DredgingBy B. A. Osei
Research to evaluate possible metrics for predicting dredgeability of compact aggregates, by hydraulically actuated clamshell dredges, shows work done by the pistons as a viable metric. Analysis of fi
Jan 1, 2011
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Mine Accident Liabilities -- Planning For PreventionBy T. M. Biddle
If an accident occurs at a mine, the mining company, its parent and affiliates, and its supervisory employees may face substantial -- and sometimes unexpected -- liabilities and costs. This presentati
Jan 1, 1986
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Recovery of Gold from Shanono Gold Ore Deposit Using α-Cyclodextrin "Mining, Metallurgy & Exploration (2020)"By A. M. Anthony, A. Y. Atta, S. S. Magaji, U. Abubakar-Zaria
There are two major gold recovery methods: the hydrometallurgical technique, which employs cyanide solutions, and amalgamation method, which involves mercury (Hg). These methods present considerable h
May 5, 2020
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New Water Supply—Oslo - RETC2023By Ingunn Opland, Silje M. Tinderholt
Drill and blast project in Norway’s capital. The contract consists of 7 rock caverns (350–950 m2), 9.2 km tunnels, and four shafts. With 110 blue-collar and 31 white-collar, the project produces an av
Jun 13, 2023
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Investigation Into Conveyor Fires And Experience With Protective Devices At Inco LimitedBy Jozef S. Stachulak
INTRODUCTION Conveyor belt fires represent a serious hazard in underground mines. This fact is well understood in most mining countries. The statistical data for Ontario mines (1) indicates that
Jan 1, 1991
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An Innovative Method of Gob‑Side Entry Retaining to Control the Non‑collapse Behaviors of Hard Roofs: a Case Study - Mining, Metallurgy & Exploration (2023)By Lei Zhang, Zhibo Ma, Pingye Guo
The mechanical behavior of hard roofs often leads to significant deformation and strong mine seismicity in gob-side entry retaining (GER) of the longwall mining, affecting the mining safety and effici
Aug 14, 2023
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George A. Fox Conference focuses on the future of the industry"During his presentation at the 2016 George A. Fox Conference about the history of public-private-partnerships (PPP) in the tunneling and underground construction industries in New York, Vincent Tirol
Apr 1, 2016
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Fatal Accident Analysis and Hazard Identification in Turkish Coal‑Extracting Industry Using Analytic Hierarchy Process - Mining, Metallurgy & Exploration (2024)By Arif Emre Dursun
The aim of this study is to present hazard classifications of location, type, and causes of accidents in Turkish coal-extracting industries using Analytic Hierarchy Process (AHP). In this study, fatal
Dec 30, 2023
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Direct Cyanidation and Roasting Combination of a Semi-Refractory Massive Sulfide OreBy P. Karimi, A. Akcil, A. Amini, H. Abdollahi
"In this study, cyanidation experiments were carried out on a massive sulfide ore sample, whose grades of the precious metals gold and silver were found to be 4.2 g/t and 311.9 g/t, respectively. Othe
Jan 1, 2015
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The 1889 Johnstown Flood: Applying Risk-Informed Decision Making to a Preventable Disaster - SME Annual Meeting 2026By Alistair James, Mo Shahsavari, Leon Botham
The 1889 Johnstown Flood, which killed 2,209 people, was a preventable disaster stemming from systemic decisionmaking failures. This paper applies modern Risk-Informed Decision Making (RIDM) framework
Feb 22, 2026
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Formal Assessment and Measurement of Data Utilization and Value for Mines Mining, Metallurgy and ExplorationBy M. Mustafa Kahraman, Sean Dessureault, W. Pratt Rogers
Most contemporary mines have considerable amounts of data. Structured and unstructured large data sets are colloquially named big data. Much of the data in mining operations come from a variety of sys