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Preliminary Caustic Fusion Results From Contwoyto-1 Kimberlite |
06/24/1999 |
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Tahera Corporation ("Tahera") is pleased to announce additional caustic fusion analysis results from the Contwoyto-1 kimberlite pipe. The Contwoyto-1 kimberlite pipe, one of four kimberlites discovered thus far at the Jericho Diamond Project, is located approximately 24 km east of the Lupin Gold Mine, and 38 km southeast of the Jericho pipes.
The Jericho Diamond Project, wholly owned by Tahera Corporation, is located in Canada's newest Territory, Nunavut, approximately 420 km northeast of Yellowknife, Northwest Territories, and 170 km northeast of Ekati, Canada's first diamond mine. Tahera Corporation is currently conducting a feasibility study on developing a modest sized diamond mine at the Jericho Diamond Project based on the JD/OD (Jericho) kimberlite pipe. Depending on results of the current evaluation program, Tahera may add the Contwoyto-1 kimberlite to the proposed mine plan.
Approximately 2000 meters of delineation core drilling have been completed on the Contwoyto-1 kimberlite to date. The kimberlite has been probed to a maximum depth of 222 meters and remains open at depth. Drilling has confirmed that the pipe is pear shaped and has horizontal dimensions of approximately 60 by 80+ meters.
Preliminary microdiamond results from caustic fusion analysis of the Contwoyto-1 kimberlite completed to date are listed below:
| Diamond Size |
Discovery Hole
(Previously Reported) |
DDH C99-11
Vertical Hole (First 85 meters) |
| +1 mm (two dimensions) |
1 |
5 |
| +0.5 (two dimensions) |
12 |
25 |
| +0.5 (one dimension) |
26 |
54 |
Total Diamonds
(+0.15 mm in two dimensions) |
169 |
657 |
| Total Kilograms Processed |
90.2 |
121.9 |
The largest stones reported from DDH C99-11 are an octahedron measuring 2.5 mm by 2.25 mm by 2.0 mm (estimated weight 0.092 carats), a broken irregular stone measuring 2.56 mm by 1.46 mm by 1.0 mm (estimated weight 0.033 carats) and an octahedron measuring 1.81 mm by 1.56 mm by 1.13 mm (estimated weight 0.023 carats).
Caustic fusion analysis of the remainder of DDH 99-11 is proceeding. Based on the favorable microdiamond results returned to date, Tahera is preparing for the extraction of a mini-bulk sample to determine the preliminary diamond grade of the Contwoyto-1 kimberlite pipe.
For further information, please contact:
Grant Ewing
VP Investor Relations and Corporate Development
Email: investor@tahera.com
Web site www.tahera.com
Tel: (416) 777-1998
Fax: (416) 777-1898
Toll Free: (877) 777-2004
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