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six months to put in place an alternative. A magnitude 2.7 earthquake had been recorded in the area the day before cracks were noticed in the wall. The mine had also been closed for 3 months in 2017 due to earthquake damage. The company subsequently obtained a permit from the N.S.W. Government to use the old Cadia Hill open cut pit for tailings storage and commenced to do so during 2018.
335:. Ridgeway materials handling system is automated by controllogix PLC and CitectSCADA. Concentrator is automated by Yokogawa DCS centum VP. Cadia East underground materials handling system is fully automated by Yokogawa Stardom system. Yokogawa Centum VP graphics is used as the main operator interface.
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to the current rights to the towns treated effluent water that the mine has received for free since beginning its operations in the late 1990s. Orange City
Council believes the mine has broken the original agreement it had with the mine due to the mine's recent expansion and development of Cadia East
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In March 2012, production was stopped at the mine following the partial collapse of a wall retaining one of the tailings dams. Tailings were retained in the adjacent dam, but production was halted pending a solution to disposal or storage of future tailings. It was reported that it could take one to
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on 23 November 2012 and will expire on 15 November 2016. The
Australian Workers Union was nominated as a bargaining representative for this agreement. This was the first agreement that the union had involvement with Newcrest at the Cadia-Ridgeway Mine.
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caused all underground production to cease while visual and other examinations were undertaken. Underground production was affected for several weeks. Processing of ore stored above ground was continued.
251:. The mine has been developed throughout the 1990s and is a major employer in the region with an expected lifespan of several decades. Cadia is the second largest open cut mine in Australia after the
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later offered to supply water from a disused quarry on Icely Road to the east of Orange. There was also a dispute in July 2009 currently in the courts between Orange City
Council and
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347:. They are employed under an enterprise agreement known as the "Cadia Valley Operations Enterprise Agreement 2012". The agreement was approved by
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In May 2007, due to the prolonged drought which was likely to adversely affect production in the near future, the company approached
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requesting to use some of the town water supply. Orange City
Council subsequently agreed to allow a supply initially from
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underground mine, and Cadia East underground mine, adjacent to the Cadia Open Cut Mine. The mine is operated by
Newmont.
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Cadia Valley
Operations - Ridgeway, Cadia Quarry/Extended, Cadia Hill, Cadia East/Far East Big Cadia
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and
Ridgeway Deeps projects, and now would like the mine to purchase the treated effluent water.
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442:"Biggest wind farm in NSW reaches financial close, to feature Australia's biggest turbines"
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The
Ridgeway Deeps mine site contains a large number of autonomous systems including
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Gold mine near Orange stops extraction, halts work following underground incident
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located in the Cadia Valley, about 20 kilometres south of the regional city of
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491:"'One to six months': Cadia delay may be extensive, says Newcrest boss"
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deposits are also being uncovered from the more recently developed
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396 MW wind farm to supply some of its power needs for 15 years.
464:"Sandvik delivering 14 LH517 LHDs to massive Cadia East project"
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The employees at the Cadia-Ridgeway Mine are represented by the
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In 2021, Newcrest contracted 55% (about 650 GWh/year) of the
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White Engine (Cadia, Old Cadia) Deposit
Summary Report
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374:On 22 July 2022, water from an aquifer entering a
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519:"Newcrest to use Cadia open pit for tailings"
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287:. The two main water supplies for Orange,
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517:Probert, Author Oliver (26 April 2018).
323:Automine for automating the underground
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452:from the original on 1 September 2021.
440:Parkinson, Giles (1 September 2021).
7:
611:Cadia Quarry Deposit Summary Report
397:"Newcrest Mining Annual Report 2022"
16:Mines in New South Wales, Australia
625:Cadia East Deposit Summary Report
618:Cadia Hill Deposit Summary Report
489:Chappell, Trevor (16 March 2018).
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597:Big Cadia Deposit Summary Report
604:Ridgeway Deposit Summary Report
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657:Copper mines in New South Wales
523:Australian Bulk Handling Review
677:Underground mines in Australia
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662:Gold mines in New South Wales
583:Cadia Deposit Summary Report
331:Rocklogic for automating the
283:and then if necessary from
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672:Surface mines in Australia
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361:Earthquake interruptions
345:Australian Workers Union
281:Gosling Creek Reservoir
245:Orange, New South Wales
293:Spring Creek Reservoir
271:Water and power supply
496:Central Western Daily
428:Central Western Daily
297:Cabonne Shire Council
225:is a series of large
157:Copper: 85,000 tonnes
57:Location in Australia
159:Gold: 561,000 ounces
565:, Joanna Woodburn,
470:on 20 December 2016
425:Stink over effluent
349:Fair Work Australia
277:Orange City Council
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548:has generic name (
295:will not be used.
119:33.467°S 148.993°E
376:ventilation shaft
339:Union involvement
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472:. Retrieved
468:the original
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446:RenewEconomy
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408:. Retrieved
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370:Ground water
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474:16 November
227:underground
122: /
110:148°59′35″E
98:Coordinates
651:Categories
406:. Newcrest
383:References
315:Automation
257:Kalgoorlie
223:Cadia Mine
190:(forecast)
154:Production
135:Production
107:33°28′01″S
51:Cadia mine
528:6 January
253:Super Pit
249:Australia
92:Australia
642:Newcrest
538:cite web
502:16 March
450:Archived
410:19 April
329:Transmin
309:Rye Park
301:Newcrest
265:Ridgeway
259:. Large
231:open-cut
205:Newcrest
140:Products
66:Location
27:Location
325:loaders
321:Sandvik
261:mineral
211:Website
201:Company
172:History
167:2021–22
88:Country
238:copper
188:2030+
185:Closed
177:Opened
144:Copper
639:Cadia
400:(PDF)
241:mines
196:Owner
77:State
70:Cadia
22:Cadia
550:help
530:2022
504:2018
476:2018
412:2022
327:and
291:and
236:and
234:gold
229:and
180:1998
148:Gold
255:at
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
