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HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

Jaw Crusher PE

Jaw Crusher PE

Jaw crusher is driven by a motor, and the moving jaw moves up and down via eccentric shaft. The angle between fixed jaw and moving jaw becomes smaller when the moving jaw runs down, then the materials are crushed into pieces. It will become bigger whe

HPT Hydraulic Cone Crusher

HPT Hydraulic Cone Crusher

Base on the latest technology and decades of years’ producing experience, Our Company designed the HPT series cone crusher. It has excellent crushing efficiency and good hydraulic control system. Now the HPC series cone crusher has wide application

HST Hydraulic Cone Crusher

HST Hydraulic Cone Crusher

HST Single Cylinder Hydraulic Cone Crusher is a new high-efficiency cone crusher independently researched, developed and designed by SBM through summarizing over twenty years of experience and widely absorbing advanced American and German technologies

CI5X Series Impact Crusher

CI5X Series Impact Crusher

CI5X Impact Crusher breaks materials with impact force. When materials enter the working area of hammer, they may be crushed under the high-speed shock and then thrown onto the impact device above the rotor for another crushing. Next, materials bounce

VSI6X Series Vertical Crusher

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, SBM, a Chinese professional sand maker manufacturer, further optimizes the structure and function of tr

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

tahera diamonds milling diamond recovery

tahera diamonds milling diamond recovery proves-projekt.de

tahera diamonds milling diamond recovery. This is a diamond processing chart as it was done in the s world demand and production of diamond both for gem and industrial purposes has increased nearly fivefold during the past years improved mining and recovery methods together with the discovery and development of new fields has enabled mining operations to fill the growing demands producing

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Tahera (mining company) Wikipedia

Tahera Diamond Corporation was a Canadian diamond mining company headquartered in Toronto, Ontario. Tahera's Jericho Diamond Mine was Canada's third, and Nunavut's first, diamond mine. Tahera opened the Jericho mine in 2006. During production Tahera had a diamond marketing alliance with Tiffany & Co. In 2007 the company reported financial losses due to operational difficulties, the high value of the Canadian dollar, high oil prices, and the short operating season of the Tibbitt-Contwoyto wi

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157.4 carat diamond unearthed at Arctic diamond mine in

The Jericho Diamond Mine, the third diamond mine in Canada and the first in Nunavut territory, operated from 2006 to 2008 by Tahera Diamond Corporation, but

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The future of diamond liberation and recovery?

The introduction of autogenous milling for diamond liberation has improved the recovery of large diamonds without significant damage. This results in a decrease in the unit processes required and therefore the simplification of the overall plant, thereby reducing both

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Northern diamonds in the rough The Star

Apr 22, 2011 “One of the major issues around Jericho was the diamond recovery. It was significantly less than what they had expected,” says Lassonde. She notes it

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THE FUTURE OF DIAMOND LIBERATION AND RECOVERY

to recovery diamonds from the coarse DMS concentrates In the medium term, XRT will be applied to the Recovery Plant X-ray machines in order to improve selectivity and reduce yields Laser Raman machines will become more common in order to generate a process stream containing up to 90% diamond

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157.4 carat diamond unearthed at Arctic diamond mine in

The Jericho Diamond Mine, the third diamond mine in Canada and the first in Nunavut territory, operated from 2006 to 2008 by Tahera Diamond Corporation, but

More

The future of diamond liberation and recovery?

The future of diamond liberation and recovery? J.E. Clarke Paradigm Project Management (Pty) Ltd, South Africa In recent years, the design of diamond recovery plants has undergone significant changes. The introduction of autogenous milling for diamond liberation has improved the recovery of large diamonds without significant damage.

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THE FUTURE OF DIAMOND LIBERATION AND RECOVERY

to recovery diamonds from the coarse DMS concentrates In the medium term, XRT will be applied to the Recovery Plant X-ray machines in order to improve selectivity and reduce yields Laser Raman machines will become more common in order to generate a process stream containing up to 90% diamond

More

Shear Diamonds reports "good or better" recovery of

Shear Diamonds Ltd. reports it’s successfully started 24-hour operations since June 15 at its Jericho mine, which Shear bought from insolvent remains of the Tahera Diamond Corp. in August 2010. And since starting round-the-clock operations, Shear’s average production rate

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378 Carat White Diamond Found in This Mine. Can You Guess

Jan 30, 2021 The diamond was recovered from milling of ore sourced from the south western quadrant of the South Lobe M/PK(S) unit. “This superb 378-carat diamond is our second +300 carat recovery so far

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Diamonds.net Tahera Seeks Protection from Creditors

Jan 16, 2008 Tahera Diamond Corporation expects to file for protection from creditors under Canada's CCAA (Companies' Creditors Arrangement Act,) the junior diamond miner said Wednesday (January 16, 2007.) Tahera had hoped to raise around $37 million in a rights offering which would have included a conversion of Tiffany & Co. debt into equity.

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Tahera options Jericho project to Kennecott Canada The

Thirteen of the diamonds weighed 0.1 carat or better, with the two largest diamonds coming in at 1.18 carats and 0.75 carat, respectively. Supplementary feed Tahera says results to date indicate JD/OD-3 is not economic as a stand-alone operation but that it could represent supplementary feed for

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Tahera for sale The Northern Miner

Tahera Diamond (TAH-T), which has been under creditor protection since January, has hired financial advisory firm Franklin Capital Partners to find a buyer, part or whole, for the failing company.. Tahera also says that it will miss the March 31 deadline to file its 2007 financial results and management discussion and analysis of the company’s financial condition.

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News Releases Lucara Diamond

The 998 carat diamond was recovered in the MDR ("Mega Diamond Recovery") XRT circuit that allows for diamond recovery post primary crushing and prior to milling. This recovery represents the second +500 carat diamond recovered from this circuit in 2020. Year to date, Karowe has produced 31 diamonds greater than 100 carats including 10 diamonds

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TOMRA XRT units help recover unbroken 998 ct diamond at

Year to date, Karowe has produced 31 diamonds greater than 100 ct, including 10 diamonds greater than 200 ct comprising of the 549 ct Sethunya, and the 998 ct diamond. Eira Thomas, Lucara CEO, said: “Lucara is extremely pleased with the continued recovery of large high-quality diamonds from the South Lobe of the Karowe mine.

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998 carat diamond recovered from Botswana Mining News

Nov 13, 2020 An unbroken 998 carat high white clivage diamond was recovered from Lucara Diamond’s Karowe Diamond Mine in Botswana. “Lucara is extremely pleased with the continued recovery of large high quality diamonds from the South Lobe of the Karowe mine,” said Eira Thomas, Lucara CEO.The diamond, measuring 67x49x45mm, was recovered from direct milling of ore

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Lucara recovers 378ct top white gem diamond from the

This recovery is the 2 nd +300 carat gem quality diamond to be recovered this year from direct milling of the M/PK(S) unit, a further testament to the strong resource and process circuit performance at Karowe. The 378 carat and the 341 carat diamonds were recovered from the Coarse XRT circuit.

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Lucara recovers second plus-300 ct diamond of 2021 at

This recovery is the second plus-300 ct gem quality diamond to be recovered this year from direct milling of the M/PK(S) unit, a further testament to the strong resource and process circuit performance at Karowe, the company said. Both the 378 ct and the 341 ct diamonds recovered this year came from the Coarse XRT circuit, Lucara said.

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Canadian Diamonds Canadian Mining JournalCanadian Mining

Oct 01, 2001 The fraction will be passed to the recovery plant for wet and dry x-ray sorting to remove the diamonds. They will be chemically cleaned, sized and packaged before transfer to an off-site facility. The plant is expected to start up in the first half of 2003, followed by a two-year ramp-up period to full capacity of 4,100 tonnes of kimberlite per

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Tahera puts Nunavut diamond mine up for sale CBC News

Tahera Diamond Corp., which opened Nunavut's first and only diamond mine to date, has officially put the defunct facility and related assets up for sale.

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[Canada] Northern diamonds in the rough by Lisa Wright

Apr 23, 2011 Former owner Tahera Diamond Corp. went into bankruptcy protection and was forced to mothball it less than two years into production. executive chairman of the mine’s new owner Shear Diamonds Ltd. the milling, because of the low recovery of diamonds, and thirdly, the permitting.”

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Jericho owner strikes deal with Belgian diamond firm

Shear bought the mothballed Jericho property from the insolvent remains of the Tahera Diamond Corp. in August 2010. When Shear bought Jericho, it acquired a recovery plant, maintenance facility, fuel farm, offices, accommodation for 225 staff, an open pit and an estimated three million carats of diamonds

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Shear Diamonds reports "good or better" recovery of

Shear Diamonds Ltd. reports it’s successfully started 24-hour operations since June 15 at its Jericho mine, which Shear bought from insolvent remains of the Tahera Diamond Corp. in August 2010. And since starting round-the-clock operations, Shear’s average production rate

More

Tahera for sale The Northern Miner

Tahera Diamond (TAH-T), which has been under creditor protection since January, has hired financial advisory firm Franklin Capital Partners to find a buyer, part or whole, for the failing company.. Tahera also says that it will miss the March 31 deadline to file its 2007 financial results and management discussion and analysis of the company’s financial condition.

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MINERAL PROCESSING: Shear recovers diamonds from Jericho

May 01, 2012 NUNAVUT Toronto-based Shear Diamonds has begun processing high grade concentrate stockpiles at its Jericho diamond mine and reports the recovery of 3,500 ct from 358 tonnes of material in the first 10 days of processing.. Shear says it has worked hard to overcome processing challenges at Jericho. These include the balancing of processes and general flowsheet fine tuning,

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Lucara Recovers 378 Carat Top White Gem Diamond from the

Jan 26, 2021 This recovery is the 2 nd +300 carat gem quality diamond to be recovered this year from direct milling of the M/PK(S) unit, a further testament to the strong resource and process circuit

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A Massive 998-Carat Diamond Was Just Discovered in

Nov 11, 2020 Canadian miner Lucara Diamond Corp has just announced the recovery of a 998-carat high white diamond at its Karowe mine in the southern African nation. The diamond is

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Canadian Diamonds Canadian Mining JournalCanadian Mining

Oct 01, 2001 The fraction will be passed to the recovery plant for wet and dry x-ray sorting to remove the diamonds. They will be chemically cleaned, sized and packaged before transfer to an off-site facility. The plant is expected to start up in the first half of 2003, followed by a two-year ramp-up period to full capacity of 4,100 tonnes of kimberlite per

More

Lucara Recovers Second +300 Carat Diamond Mining & Travel

Jan 27, 2021 This recovery is the 2 nd +300 carat gem quality diamond to be recovered this year from direct milling of the M/PK(S) unit, a further testament to the strong resource and process circuit performance at Karowe. The 378 carat and the 341 carat diamonds were

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TAHEF Stock Price Tahera Diamond Corp. Stock Quote (U.S

TAHEF Complete Tahera Diamond Corp. stock news by MarketWatch. View real-time stock prices and stock quotes for a full financial overview.

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News Releases Lucara Diamond

The 998 carat diamond was recovered in the MDR ("Mega Diamond Recovery") XRT circuit that allows for diamond recovery post primary crushing and prior to milling. This recovery represents the second +500 carat diamond recovered from this circuit in 2020. Year to date, Karowe has produced 31 diamonds greater than 100 carats including 10 diamonds

More

TOMRA XRT units help recover unbroken 998 ct diamond at

Year to date, Karowe has produced 31 diamonds greater than 100 ct, including 10 diamonds greater than 200 ct comprising of the 549 ct Sethunya, and the 998 ct diamond. Eira Thomas, Lucara CEO, said: “Lucara is extremely pleased with the continued recovery of large high-quality diamonds from the South Lobe of the Karowe mine.

More

Crystal Exploration samples 1.13 carats/tonne diamonds

Diamonds were first discovered at the Muskox Kimberlite Pipe in 1996 by De Beers Canada. Exploration at the Muskox Kimberlite continued until 2007 through a joint venture with Tahera Diamond. Work did not resume beyond 2008 due to capital constraints, low diamond prices and the 2008 financial crisis.

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