C H A P T E R South Deep Gold Mine Regional Pillar

Assessing coal burst phenomena in mining and insights into ...

Preventive measures - elimination of risk (e.g., mine design criteria) 4.1.1 Mine design: Develop a mine design criteria to eliminate/prevent coal burst: X: X: X: X: H: M: 4.1.2 Remote development/longwall: Development of remote mining to keep people away from the face: X: H: L: 4.1.3 Develop template for mine-based database of bump/burst proneness

Seepage channel development in the crown pillar: Insights ...

The motion u 0 induced by a unit-source force f(t) can be determined by the following: (3) u 0 = C s ′ R e (t, r) e − α R R f (t) = C s ′ R e (t, r) R e − π f v p Q R f (t) where C s ′ is the sensor sensitivity, R c (t, r) is the reflection coefficient, t is the direction normal to the sensor, α is the attenuation coefficient, Q is ...

Project report—pillar mining at No. 1 and 2 sub-shaft on ...

H A F T Z O N E 2 S H A F T Z O N E 1 S H A F T Z O N E 4 S H A F T Z O N E K E A 8 SHAFT ZONE 8 SHAFT ZONE ... was noted that in South African deep-level gold mines, the ... Project report—pillar mining at No. 1 and 2 sub-shaft on Kloof Gold Mine The Journal of The South African Institute of Mining and Metallurgy MARCH 2005 169 ...

Destress Blasting in Coal Mining – State-of-the-Art Review

(a) Rockbolt dislocation in an Indian coal mine; (b) Interbed crossover in a coal mine of South Africa [1]; (c) Cutter roof failure in an US coal mine [2]; (d) Rockburst in a German coal mine [3]. a c d b 181Petr Konicek et al. / Procedia Engineering 26 (2011) 179 â€" 194 Petr Konicek t al./ Procedia Engi eering 00 (2011) 000â€"000 ...

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P-wave velocity structure beneath the northern Antarctic Peninsula: evidence of a steeply subducting slab and a deep-rooted low-velocity anomaly beneath the central Bransfield Basin Yongcheol Park, Kwang-Hee Kim, Joohan Lee, Hyun Jae Yoo, Milton P. Plasencia L.,

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The Online Books Page. Online Books by. United States Bureau of Mines (United States. Bureau of Mines) A Wikipedia article about this author is available.. United States. Bureau of Mines, ed.: A Dictionary of Mining, Mineral, and Related Terms (Washington: U.S. Dept. of the Interior, 1968), also ed. by Paul W. Thrush (page images at HathiTrust); Help with reading books-- Report a bad link ...

Stress drops and radiated seismic energies of ...

Stress drops and radiated seismic energies of microearthquakes in a South African gold mine Takuji Yamada,1,2 James J. Mori,3 Satoshi Ide,2 Rachel E. Abercrombie,1 Hironori Kawakata,4 Masao Nakatani,5 Yoshihisa Iio,3 and Hiroshi Ogasawara4 Received 8 June 2006; revised 12 October 2006; accepted 30 October 2006; published 17 March 2007.

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Major Mines & Projects | South Deep Mine

The mine has been built to extract one of the largest known gold deposits in the world and boasts a mineral reserve of 32,8 million ounces. The South Deep Joint Venture ("SDJV") owns and operates the South Deep Gold Mine. The SDJV is an unincorporated joint venture between Gold Fields Operations Limited ("GFO") and GFI Joint Venture ...

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South Deep Gold Mine is a world-class bulk mechanised mining operation located in the Witwatersrand Basin, near Westonaria 50km south-west of Johannesburg, South Africa's commercial capital. The mine has been built to extract one of the largest known gold deposits in the world and boasts a mineral reserve of 38 million ounces.

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Water–Rock Interaction and Geochemical Processes in ...

Site Description. The Panasqueira mine is located near Fundão city (Castelo Branco district, Central Portugal; Fig. 1).The mining district is located in a mountainous area with a topography that ranges in altitude from 350 to 1080 m (Reis 1971) with deep valleys.Zêzere River is the main watercourse in the area, where streams are generally dry in the summer and flooded in the winter.

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