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Market: TSX
Sector: General Mining
Epic: .CYU
News: Latest news
Web Site: Columbia Yukon Explorations
Other Articles: 30-11-200903-11-200912-08-2009

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Thursday September 02, 11:00Baobab Resources identifies distinct ore domain at Tete’s South Zone

Baobab MD Ben James said the latest drilling results from the Tete project's South Zone characterise a distinct, higher mass recovery, ore domain.

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Thursday September 02, 08:15Indonesia edges closer toward uranium mining and nuclear power

After nearly five decades of national debate on the issue, Indonesia's central government may finally be ready to develop a national nuclear policy, which may lead to domestic uranium mining.

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Wednesday September 01, 01:25Green Dragon Gas reports significant growth as China’s thirst for energy continues

China's thirst for energy resources has continued with an increased focus on domestic supplies of gas, Green Dragon Gas chairman Randeep Grewal said today. In the company's interim results, [...]

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Columbia Yukon Explorations

Columbia Yukon Explorations

Columbia Yukon Explorations is a mineral exploration company. Its most advanced property is the Storie molybdenum deposit located near the historic mining camp of Cassiar, B.C. The Storie deposit has a February 2009 NI 43-101 compliant Indicated and Measured Resource of 139.82 M/tonnes grading 0.064% and 58.39 M/tonnes of Inferred Resource grading 0.059% Mo at a 0.030% cut off.

Wednesday, November 19, 2008

Columbia Yukon Explorations – High Moly Grades and Recoveries from Sample Flotation Tests

by Sam Kiri company news image

As exploration companies make progress with their development programmes and expand the resource estimate, queries arise in regards to their ability to separate different metals, in other words, the deposit metallurgy. In anticipation of such matters, seasoned managers conduct metallurgical tests concurrently with development programmes thus enabling them to establish the nature of the deposit and the best method of separation. That is the strategy followed by Canadian Venture listed Columbia Yukon Explorations Inc. (TSX.V: CYU).

CYU has commissioned SGS Mineral Services (SGS Canada Inc.) to investigate options for the recovery of molybdenum (via flotation) from the Company's Storie property. Phase 1 of the metallurgy programme confirmed its favourable metallurgy so that saleable molybdenum concentrates can be produced using a simple traditional process with proven methods. Phase I involved sample preparation, mineralogical characterization through QEMSCAN analysis, rougher kinetics testing and batch cleaner testing on a master composite. In addition, the SGS metallurgy program included an environmental testing programme.  

CYU launched a second phase of testing using a larger sample which is expected to significantly improve the locked cycle test recoveries and optimise test results. The Phase 2 testing was performed on four composites compiled from over 100 samples taken from all areas of the deposit with the following results:  


•    The 10 KG flotation tests on four variability composites achieved a concentrate grade of 37% to 50% Mo and a recovery of 75% to 84%;


•    The master composite (which is a combination of all samples) achieved a 50.15% Mo concentrate grade, while recovering 81.2% of the contained molybdenum.

These results further confirm the favourable metallurgy of Storie deposit and underscore the economics of the project. High grades, high recoveries and the ability to separate using a simple traditional process make the development of Storie deposit less challenging. The SGS technical metallurgical report prepared for Storie property molybdenum deposit can be reviewed on the Company's website (www.columbiayukon.com ).

About Columbia Yukon Explorations Inc.
Columbia Yukon is a Canadian mineral exploration company focused on the development of its Storie Molybdenum Property deposit located in northern British Columbia, 5km south of the Hwy from the former Cassiar Mine townsite. www.columbiayukon.com.

 

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