• 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

  • Headquarters: Toronto, Ontario, Canada
  • Vancouver firm may revive Jericho diamond mine in Nunavut

    The mine was supposed to produce 2.6 million carats of diamonds over its lifetime, but Tahera began losing money on the project, including $30 million in the mine's first six months alone.

  • Northern diamonds in the rough The Star

    Apr 22, 2011· RBC helped them raise money and Shear then made a $6-million cash and stock deal to buy the property from bankrupt Tahera Diamond last July. low recovery of diamonds, and thirdly, the

  • Tahera Diamond granted bankruptcy protection The Star

    Jan 16, 2008· Tahera's Jericho project began commercial production in 2006, as Canada's third diamond mine, and Nunavut's first. In December, the troubled company announced it would seek a much-needed $36.7

  • ABB to energise world’s largest advanced diamond recovery

    Jul 13, 2020· ABB has won a contract from Damen Shipyards Group to deliver an advanced power system for Debmarine Namibia’s custom-built diamond recovery vessel. The Switzerland-based company will supply an integrated power system package that will ensure the world’s largest and most technologically advanced diamond recovery vessel meets exceptional

  • Nunavut’s 1st diamond mine could re-open CBC News

    The mine was closed in 2008 after a series of problems left its owners, Tahera Diamond Corporation, unable to pay the bills. Shear Diamonds bought the mine in July 2010.

  • Shear Diamonds recovers first 200 carats at Jericho

    Oct 10, 2011· Shear Diamonds Ltd. (TSX VENTURE:SRM) today announces the recovery of the first 200 carats of diamonds from trial tests performed in the recently restarted recovery portion of

  • Gem Diamonds Investors Press release: Recovery of high

    Aug 21, 2020· Recovery of high quality 442 carat diamond Back. Friday, 21 August 2020 Gem Diamonds Limited (LSE: GEMD) is pleased to announce the recovery of a high quality 442 carat Type II diamond from the Letšeng mine in Lesotho, the highest dollar per carat kimberlite diamond

  • DIAMOND EXPLORATION: New model, more diamonds from

    Oct 11, 2011· Better yet, Shear has recovered the first 200 ct of salable diamonds from tests at the restarted recovery plant on site. The diamonds were recovered from the treatment of 22.1 wet tonnes of recovery reject and coarse processed kimberlite. Fourteen of the stones were greater then 0.5 ct, and the largest were 1.9, 1.0, and 0.8 ct.

  • Prospector's Guide to Diamonds Diamond Placers

    But like all of the diamond mining operations in this district, the recovery mills were poorly designed which resulted in many of the diamonds not being recovered from samples during testing, and the rejection of essentially all large diamonds. As unthinkable as it may seem, the North Fork of Rabbit Creek was not tested for diamonds yet

  • Vancouver firm may revive Jericho diamond mine in Nunavut

    The mine was supposed to produce 2.6 million carats of diamonds over its lifetime, but Tahera began losing money on the project, including $30 million in the mine's first six months alone.

  • ABB to energise world’s largest advanced diamond recovery

    ABB has won a contract from Damen Shipyards Group to deliver an advanced power system for Debmarine Namibia’s custom-built diamond recovery vessel. The Switzerland-based company will supply an integrated power system package that will ensure the world’s largest and most technologically advanced diamond recovery vessel meets exceptional

  • AAND: Nunavut ghost mine now deemed “closed or abandoned

    The processing system Tahera used didn’t work well. Many valuable diamonds were never extracted from tonnes of ore that Tahera had dug from Jericho’s open pit between 2006 and 2008. In April 2012, using cash borrowed from Taché, Shear went to work on those stockpiles and started churning out diamonds.

  • Shear Diamonds puts the brakes on production at Nunavut's

    Shear bought the mothballed Jericho property from the insolvent remains of the Tahera Diamond Corp. in August 2010. The Jericho mine, which last operated from 2006 to 2008, was Nunavut’s first diamond mine. From 2006 to 2008, the mine produced 780,000 carats of diamonds from 1.2 million tonnes of kimberlite mined from its open pit operation.

  • Gem Diamonds Investors Press release: Recovery of high

    Aug 21, 2020· Recovery of high quality 442 carat diamond Back. Friday, 21 August 2020 Gem Diamonds Limited (LSE: GEMD) is pleased to announce the recovery of a high quality 442 carat Type II diamond from the Letšeng mine in Lesotho, the highest dollar per carat kimberlite diamond

  • DIAMOND EXPLORATION: New model, more diamonds from

    Oct 11, 2011· Better yet, Shear has recovered the first 200 ct of salable diamonds from tests at the restarted recovery plant on site. The diamonds were recovered from the treatment of 22.1 wet tonnes of recovery reject and coarse processed kimberlite. Fourteen of the stones were greater then 0.5 ct, and the largest were 1.9, 1.0, and 0.8 ct.

  • Gem Diamonds Investors Press release: Recovery of high

    Gem Diamonds Limited (LSE: GEMD) is pleased to announce the recovery of an exceptional 183 carat white Type IIa diamond on 3 February 2020. On the same day, the Company also recovered two different high quality diamonds, one of 89 carats and the other of 70 carats, from the Letšeng mine in Lesotho, the highest dollar per carat kimberlite

  • 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

  • Prospector's Guide to Diamonds Diamond Placers

    But like all of the diamond mining operations in this district, the recovery mills were poorly designed which resulted in many of the diamonds not being recovered from samples during testing, and the rejection of essentially all large diamonds. As unthinkable as it may seem, the North Fork of Rabbit Creek was not tested for diamonds yet

  • Diamond Processing Flow Chart of Beneficiation

    This is a Diamond Processing Chart as it was done in the 1950s. World demand and production of diamond both for gem and industrial purposes has increased nearly five-fold during the past 25 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 areas in Canada, South Africa

  • Canadian Diamond Mines: The Surprise in Northern Canada

    The Jericho Diamond Mine was the third diamond mine in Canada and the first in Nunavut territory. It is located about 250 miles northeast of Yellowknife, Northwest Territories. The mine was opened by Tahera Diamond Corporation and produced diamonds from 2006 to 2008 but the company lost money.

  • Diamonds Mining News Page 55 of 71 The Northern Miner

    Latest. September 9, 2020 Gemfields steps up efforts to tap Chinese market; September 9, 2020 Harte Gold ramps up Sugar Zone mine; September 9, 2020 Petra Diamonds accused of human rights abuses in Tanzania; September 9, 2020 Mining is at the forefront of Ontario’s recovery: Minister Greg Rickford interview; September 8, 2020 Water rights under scrutiny in Chile’s Atacama Desert

  • Underground Heat Recovery System International Quest

    IQE Ltd. worked with BHP Billiton Diamonds Inc. EKATI Diamond Mine to design, supply and install a 2km glycol heating loop to supply heat to the fresh air raise for the Underground Group. Modifications involved pump houses, overland piping and a radiator building and included components such as pumps, piping, heat exchangers and structural steel.

  • Diamond V

    Diamond V Life Stage Solutions™ Optimal digestive function supports higher, more consistent performance, quicker recovery from stress or injury, and better appearance. The unique metabolites in Diamond V Original products support robust digestive health by balancing gut microbiota and the immune system while optimizing gut morphology.

  • ABB to energise world’s largest advanced diamond recovery

    ABB has won a contract from Damen Shipyards Group to deliver an advanced power system for Debmarine Namibia’s custom-built diamond recovery vessel. The Switzerland-based company will supply an integrated power system package that will ensure the world’s largest and most technologically advanced diamond recovery vessel meets exceptional

  • Canadian Diamond Mines: The Surprise in Northern Canada

    The Jericho Diamond Mine was the third diamond mine in Canada and the first in Nunavut territory. It is located about 250 miles northeast of Yellowknife, Northwest Territories. The mine was opened by Tahera Diamond Corporation and produced diamonds from 2006 to 2008 but the company lost money.

  • AAND: Nunavut ghost mine now deemed “closed or abandoned

    The processing system Tahera used didn’t work well. Many valuable diamonds were never extracted from tonnes of ore that Tahera had dug from Jericho’s open pit between 2006 and 2008. In April 2012, using cash borrowed from Taché, Shear went to work on those stockpiles and started churning out diamonds.

  • DIAMOND EXPLORATION: New model, more diamonds from

    Oct 11, 2011· Better yet, Shear has recovered the first 200 ct of salable diamonds from tests at the restarted recovery plant on site. The diamonds were recovered from the treatment of 22.1 wet tonnes of recovery reject and coarse processed kimberlite. Fourteen of the stones were greater then 0.5 ct, and the largest were 1.9, 1.0, and 0.8 ct.

  • Prospector's Guide to Diamonds Diamond Placers

    But like all of the diamond mining operations in this district, the recovery mills were poorly designed which resulted in many of the diamonds not being recovered from samples during testing, and the rejection of essentially all large diamonds. As unthinkable as it may seem, the North Fork of Rabbit Creek was not tested for diamonds yet

  • Lucara Diamond Corp completes diamond recovery capital

    Sep 12, 2017· The Lucara Diamond Corp Mega Diamond Recovery (MDR) circuit treats material in the size range between 50 mm and 120 mm and is located directly post the primary crusher and ahead of the process plant. This design maximises the upfront recovery of exceptional diamonds prior to the comminution processes where diamond damage may occur and revenue lost.

  • Shear Announces Beginning of Process Evaluation at Jericho

    July 13, 2011. Shear Diamonds Ltd (SRM:TSXV) is pleased to announce that performance tests in the diamond recovery plant and plant feed assessments at the Jericho Diamond Mine will commence by month end. Shear has notified the Nunavut Water Board, earlier this week, of this intent. These tests will be performed in accordance with all current regulatory authorizations and approvals, including

  • Underground Heat Recovery System International Quest

    IQE Ltd. worked with BHP Billiton Diamonds Inc. EKATI Diamond Mine to design, supply and install a 2km glycol heating loop to supply heat to the fresh air raise for the Underground Group. Modifications involved pump houses, overland piping and a radiator building and included components such as pumps, piping, heat exchangers and structural steel.

  • Gem Diamonds Investors Press release: Recovery of high

    Gem Diamonds Limited (LSE: GEMD) is pleased to announce the recovery of an exceptional 183 carat white Type IIa diamond on 3 February 2020. On the same day, the Company also recovered two different high quality diamonds, one of 89 carats and the other of 70 carats, from the Letšeng mine in Lesotho, the highest dollar per carat kimberlite

  • Diamond Processing Flow Chart of Beneficiation

    This is a Diamond Processing Chart as it was done in the 1950s. World demand and production of diamond both for gem and industrial purposes has increased nearly five-fold during the past 25 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 areas in Canada, South Africa

  • Diavik Diamond Mining Inc International Quest

    Our BC engineering firm has built many structural projects and help implement process modifications for Diavik. International Quest Engineering Ltd. is based in Prince George, BC, and serves the surrounding area and Northern BC and Alberta.

  • Diamonds Mining News Page 67 of 71 The Northern Miner

    Diamond explorer Tahera Diamond (TAH-T) has received its lease for Crown lands covering the Jericho diamond project News February 8, 2005 New Renard 2 sampling returns more diamonds

  • Petra recovers third +100 ct diamond since March 2019

    Apr 23, 2019· Petra Diamonds has confirmed it has recovered a 209.9 carat D colour Type II gem quality diamond at its Cullinan Diamond Mine. This is the third +100ct Type II D colour gem quality diamond recovered since March 2019, and the fourth such stone in the current financial year.

  • Diamond V

    Diamond V Life Stage Solutions™ Optimal digestive function supports higher, more consistent performance, quicker recovery from stress or injury, and better appearance. The unique metabolites in Diamond V Original products support robust digestive health by balancing gut microbiota and the immune system while optimizing gut morphology.