Panel caving; Production Start: 1998: Mine Life: 2057: Snapshot: Cadia is one of the world's largest gold and copper mining operations. ... The Ridgeway Deeps Lift 1 block cave operation was mined between 2007 and 2015 and was Newcrest's first block cave operation. The change to block caving was introduced after the identification that the ...
WhatsApp: +86 18221755073
Block Caving mine in Chile (El Teniente) had included in our first manuscript, while the Lvivvuhillia SE Mine (Ukraine) and the 10th Anniversary of Kazakhstan's Independence Mine (Kazakhstan) had not included. ... As quantitative values for comparison, Ridgeway Deeps has 0.38% Cu and 1.80 g/t Au [83]. While El-Teniente ore body has 0.62-0.98% ...
WhatsApp: +86 18221755073
Rock fragment size is a key variable in several mining stages such as underground mine design, equipment selection, and mineral processing. In Block Caving, rock fragment sizes are affected by fragmentation during gravity flow in the ore column while ore is being extracted from drawpoints. Additionally, smaller fragments can …
WhatsApp: +86 18221755073
The Ridgeway Deeps block cave project involved development of resources below the Ridgeway Underground mine at a depth of 300m to about 1,100m. …
WhatsApp: +86 18221755073
1 Introduction Block caving is a mining method which has been increasingly implemented in recent times due to its cost eficiency and high production rates. The lack of access to the orebody, which is characteristic of the block caving method, results in a poor knowledge of the state of the rock mass inside the ore column.
WhatsApp: +86 18221755073
Full scale marker experiments were designed and implemented at the Ridgeway Deeps block cave mine from March 2008 to October 2010. The experiments aimed at quantifying and assessing the geometry of the extraction zone, development of the extraction zone over time, variability of flow behaviour, and factors affecting flow behaviour in both the near …
WhatsApp: +86 18221755073
Full scale marker experiments were designed and implemented at the Ridgeway Deeps block cave mine from March 2008 to October 2010. The experiments aimed at quantifying and assessing the geometry of the extraction zone, development of the extraction zone over time, variability of flow behaviour, and factors affecting flow behaviour in both the near …
WhatsApp: +86 18221755073
Glenn Sharrock — ITASCA Australia 28/06/2024 2 Brunton, I., Sharrock, G.B. (2012) 'Full scale marker trials at Ridgeway deeps block cave mine' Proc. Massmin 2012 Conference, Sudbury. Tibbett, J.., Sharrock, G.B., Hebblewhite, B.K. (2012) 'A review on the effects of faults on the mechanics of cave propagation', Proc. Massmin 2012 Conference, Sudbury.
WhatsApp: +86 18221755073
The success of that mine led to a significant expansion into block caving operations, first at Ridgeway Deeps, and then to the now established Cadia East operations. What makes Cadia unique is the high-stress, hard rock mining conditions combined with the ability to maximise investor returns through the use of very high lift heights at depths ...
WhatsApp: +86 18221755073
This paper outlines a process for the selection of material sizing and dewatering systems for large-scale caving operations. This process is illustrated with information drawn from …
WhatsApp: +86 18221755073
ridgeway deeps mine block caving pdf. Afton underground block caving mine which seeks to hosting the Fourth International Symposium on Block and Deep Mining 2014. Get Price; Danny Grellet Principal Mining Engineer Golden Goose . ... The Ridgeway Deeps Block Cave is located directly beneath the existing Ridgeway Sublevel Cave …
WhatsApp: +86 18221755073
The use of block caving to mine ores and rocks of kimberlite deposits in Yakutia (Udachnaya, Yubileynaya Mir pipes) will ensure high economic efficiency and productivity, reduce damage to …
WhatsApp: +86 18221755073
Deep Ore Zone (DOZ) Mine is an underground mine with block caving method within The East Erstberg Skarn System (EESS) deposit. Safe ground condition is the most important thing on production stage ...
WhatsApp: +86 18221755073
Study of the impact of rock mass preconditioning on a Block Caving Mine Operation. 3 rd international symposium on block and sublevel caving: Caving 2014, Santiago, Chile, 515-524. Factores Clave ...
WhatsApp: +86 18221755073
What and Why Block Caving? What : Block (gravity) caving is a bulk underground mining method, which allows large low-grade deposits to be mined underground. This method involves undermining the orebody to make it collapse under its own weight into a series of chambers from which the ore extracted. It is a useful technique to
WhatsApp: +86 18221755073
Introduction. Block Caving is an underground mining method in which high productivity and low operational costs are expected when applied to thick low-grade ore bodies. 1, 2 Using this process, the broken ore is extracted from the bottom of the ore body after the initial undercutting. The undercutting induces progressive rock mass caving …
WhatsApp: +86 18221755073
caving rate is constant (based on the use of a constant volume increase coefficient). Several case studies later showed that these assumptions were incorrect. Studies by Beck [6] at the Ridgeway Deeps Mine in Australia have shown that sometimes caving initiations may not occur on part of the undercut area.
WhatsApp: +86 18221755073
Longwall Longwall in coal Longwall in Hard Rock Sublevel Caving Characteristics of the ore body and mining method Development Production Equipments Used Block Caving Introduction Historical ...
WhatsApp: +86 18221755073
Over the last 20 years Newcrest has developed unique capabilities within the caving industry to efficiently mine deep and low-grade deposits, transitioning from Sublevel Caving in Ridgeway and Telfer during the early 2000's and more recently to Block Caving at Ridgeway Deeps, Cadia East PC-1 and PC-2.
WhatsApp: +86 18221755073
A combination of preconditioning by hydraulic fracturing and confined blasting referred to as intensive preconditioning was implemented at a major panel caving operation. The aim is to alter rock mass behaviour in a manner that could improve caving mechanics and extraction performance. A benchmark study involving data collected …
WhatsApp: +86 18221755073
Cadia Valley Operations comprises three mines-the Ridgeway sublevel cave and Ridgeway Deeps (currently on care and maintenance), the Cadia Hill open pit (currently on care and maintenance) and the ...
WhatsApp: +86 18221755073
The first documented underground mine which applied the block caving method was the ... Ridgeway, Stornoway, Palabora, Grasberg, Oyu Tulgui and El-Teniente are ... 157 MPa in Deep Mill Level Zone ...
WhatsApp: +86 18221755073
The block cave forms the continuation of the existing Ridgeway sublevel cave (SLC) operation that has been actively mined since 2000. The sublevel cave commenced at a …
WhatsApp: +86 18221755073
Download reference work entry PDF. Block caving is a mining ore mining method in which deep hole or medium-deep hole drilling blasting technology is applied for caving at one time in a stage. The layout of ore blocks and extracting technology are generally similar to that of sublevel caving method with sill pillar and external force of …
WhatsApp: +86 18221755073
mine design. 2 Methodology This section describes the methodologies used to evaluate four production level layouts that can be used in block caving. The base case considered to define the input parameters is a Chilean copper mine, where the El Teniente layout is used, with production drifts oriented N15°W of 4.2 × 3.9 m2 spaced 30 × 17.3 m2 ...
WhatsApp: +86 18221755073
2001) is widely accepted in industry and is the framework within which most monitoring and numerical modelling results in caving mines are interpreted. The Duplancic model was created based primarily on simple microseismic analysis and linear elastic numerical modelling of one case study. At the time, it provided a much-needed …
WhatsApp: +86 18221755073
The use of block caving to mine deep, massive, low-grade ore bodies is gaining increasing attention from the mining industry given its merits in terms of safety, tonnage produced and costs that can match those of open-pit operations. However, the undercutting and bulk extraction of ore through caving (Kendorski, 1978; Brown, 2003), leads to the ...
WhatsApp: +86 18221755073
on mine safety. The above three orders of caving risks were addressed by intensive research during the last decade. The latest finding of this research was presented at the Australian Centre for Geomechanics Second Inter-national Symposium on Block and Sublevel Caving held in Perth, Western Australia in April 2010. In this
WhatsApp: +86 18221755073
Over the last 20 years Newcrest has developed unique capabilities within the caving industry to efficiently mine deep and low-grade deposits, transitioning from Sublevel …
WhatsApp: +86 18221755073
Cadia Valley Operations (Cadia) embarked on a path of cave mining in the early 2000s with the establishment of the Ridgeway sublevel cave. The success of that mine led to a significant expansion into block caving operations, first at Ridgeway Deeps, and then to the now established Cadia East operations. What makes Cadia unique is the …
WhatsApp: +86 18221755073