3D Modelling

Author(s): 
Louie Human and Ben Jupp
Category: 
Geotechnical

The foundation of  a successful cave mine operation is the collection of detailed geotechnical rock mass and structural data. This fundamental data is used as the basis for fragmentation and cavability assessments,  on which significant mine design decisions are based, and which can ultimately Read more... about Geotechnical data collection and presentation - it starts and ends with a vision

Author(s): 
Lyzandra Boshoff, Angus Bracken
Category: 
Geotechnical

Biological cementation of the Mandena heavy mineral deposit in Madagascar was causing difficulty in dredge mining and hence in planning and control of production rates. An investigation was initiated to better evaluate the geotechnical properties of the orebody sands.  The investigation was Read more... about Geotechnical Characterization and modelling of the Mandena heavy mineral sand deposit

Author(s): 
Simon Craggs
Category: 
Geology

This talk focusses on the structural geology evolution of exceptionally high-grade silver deposits in the Keno Hill district, and includes discussions on the complex relationships between stratigraphy and structural elements, the structural controls on mineralization, geochronological Read more... about Structural Evolution of the Keno Hill Mining District

Author(s): 
S Kenworthy, K Noormohamed, H Stuart and P Hodkiewicz
Category: 
Geology
 
Gold deposits in the Chirano district in SW Ghana are hosted in a variety of structural settings along the Chirano shear zone (CSZ), in Paleoproterozoic rocks of the Sefwi-Bibiani belt. Most gold mineralisation occurs in strongly sheared and hydrothermally altered Birimian
Author(s): 
Karl Llewelyn
Category: 
Geotechnical

Photo­grammetry is a remote data capture system that uses digital photo­grammetry to produce accurate 3­D structural models of mine features. Karl Llewelyn, a geotechnical engineer from SRK UK, explains how photogrammetric mapping can be used for pit slope angle optimisation. SRK was able to recommend an increase in the current pit slope angle configurations. In order to recommend these increased slope angles, it was highlighted to the client that pre-split blasting would need to be introduced to its mining practices. This would reduce the size of the zone of blast damage into the rock mass and decrease the likelihood of degradation of the bench faces, which stops the berms from filling with failure material and making them more effective to prevent rock falls. Read more... about Capturing Slope Data

Author(s): 
C Linklater, A Hendry and J Chapman
Category: 
Geochemistry

An acid and metalliferous drainage study considers available drill-hole data and mine planning information to conduct a high level assessment of the potential for AMD from waste storage facilities and within the pit void. Read more... about Acid Mine Drainage Risk Assessment Utilising Drill - Hole Data and Geological Modelling Tools

Author(s): 
Ben Jupp and Sarah Monoury
Category: 
Geology

Since the mid-1990’s despite the rapid advances in technology and understanding of mineral systems, the rate discovery for world class deposits has continued to decline. Read more... about Unconstrained vs Geologically Constrained Inversion Modelling

Author(s): 
Sarah Monoury, Ben Jupp, and Andrew Foley
Category: 
Geology

SRK conducted a geological and geophysical modelling study of Darlot-Centenary Gold Mine, Western Australia. This study defined geological boundaries where drilling was limited, allowing for targeting of potential extensions. Read more... about Mine Scale Constrained Geophysical Inversion; A Case Study at the Darlot-Centenary Gold Mine

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