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Eastmain Resources Inc.

Publié le 21 janvier 2010

Eau Claire Assays & Metallurgy Up to 12.07 g/t Au over 5.5 m 95.7 to 98.8% Gold recoveries

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Eastmain Resources Inc.
News Release
TSX:ER

 
 

January 21, 2010 
 

Eau Claire Assays & Metallurgy

Up to 12.07 g/t Au over 5.5 m

95.7 to 98.8% Gold recoveries

 

Eastmain Resources Inc. (TSX:ER) is pleased to announce assay data from the last 16 drill holes of 2009 and additional metallurgical test results from its Eau Claire Gold Deposit, located in James Bay, Qu�bec.

 

Holes 229 through 244 intersected 42 gold-bearing quartz-tourmaline veins, including numerous intersections containing over one-half ounce of gold. (Table 1). Additional metallurgical test work by SGS Lakefield Research on the P, JQ, R and S Veins indicates impressive total gold recoveries (gravity + flotation + cyanidation), ranging from approximately 95.7 to 98.8%. Further testing to determine other metallurgical parameters and optimal processing is still underway. As previously reported, high concentrations of the rare metals tellurium and bismuth occur as byproducts in gold-bearing veins at Eau Claire.

 

48 HQ holes totaling 14,619 metres were completed during the 2009 second phase program. Drill holes reported herein intersected the Main Group of Veins (P, JQ, R and S) near surface and the T Vein group of veins at depth.

 

Assay highlights include:

 
         14.05 g/t Au over 1.0 m, including 17.75 g/t Au (0.52 oz/ton) over 0.5 m (ER09-231)
         7..50 g/t Au over 8.0 m,including 60.90 g/t Au (1.78 oz/ton) over 0.5 m(ER09-232)
         12.07 g/t Au over 5.5 m, including 41.10 g/t Au (1.20 oz/ton) over 0.5 m(ER09-233)
         8.02 g/t Au over 2.0 m, including 16.65 g/t Au (0.49 oz/ton) over 0.5 m (ER09-234)
         14.27 g/t Au over 1.5 m, including 39.60 g/t Au (1.16 oz/ton) over 0.5 m(ER09-235)
         25.80 g/t Au over 1.0 m, including 44.10 g/t Au (1.29 oz/ton) over 0.5 m(ER09-236)
         7.05 g/t Au over 3.5 m, including 26.70 g/t Au (0.78 oz/ton) over 0.5 m (ER09-237)
         15.04 g/t Au over 1.0 m including 29.30 g/t Au (0.86 oz/ton) over 0.5 m(ER09-240)

 

Additional drilling is necessary to evaluate the resource potential of the T-Vein series. Holes ER09-235 to 239, 242 and 243 each intersected high-grade T-Vein intervals at vertical depths ranging from approximately 115 to 225 metres (152 to 283 metres down hole). ER09-236 intersected a one-metre-thick quartz-tourmaline vein containing 40 grains of visible gold grading 25.80 g/t Au, 50 metres down-dip from ER08-118, which assayed 29.74 g/t Au across a 1.50 metre interval. ER09-237 intersected multiple high-grade T-Vein intervals (T5, T6 and T7) 50 metres down-dip of ER08-145, which returned 24.57 g/t Au over 3.0 metres. ER09-239 intersected 0.83 g/t Au across 12.5 metres down-dip of ER08-136, which assayed 17.99 g/t Au across 4.7 metres and of ER08-148, which returned up to 15.49 g/t Au over 3.0 metres in T Vein intervals.

 

A total of 21,276 metres (68 HQ drill holes) were drilled in 2009 to expand the Eau Claire gold resource within the upper 300 metres. Over the last two years more than 25% of all vein intercepts drilled contain over one ounce gold per ton. 70% of all gold-enriched vein and schist material intersected at Eau Claire within this period contains one-half (0.50) ounce gold per ton over an average thickness of 1.34 metres.

 

Within the past 24 months, 500 gold-bearing quartz-tourmaline vein intervals with an average grade of 12.4 g/t Au (0.36 oz/ton), at an average thickness of 1.37 metres, have been intersected within the upper one-third of the deposit. 400 vein intervals contain an average grade of 15.2 g/t Au (0.44 oz/ton); 300 vein intervals averaged 18.4 g/t Au (0.54 oz/ton); 200 vein intervals contain an average of 24.6 g/t Au or 0.72 oz/ton; 100 vein intervals contain 42.6 g/t Au (1.25 oz/ton) and 50 intersections have an average of 66.4 g/t Au or 1.94 oz/ton (Table 2).

 

The Eau Claire deposit hosts a large number of exceptionally high-grade gold veins, from which three recent cyanidation tests of gravity tailings, completed by SGS Lakefield Research Limited, yielded excellent gold extractions.. The finest grind material (P80 = 20 �m, microns) gave a leach gold extraction of 98% which, when included with the gold recovered from gravity separation, gives a combined recovery of 98.8%. The coarsest grind test completed (P80 = 121 �m) gave a cyanide leach gold extraction of 93% which, when added to the gold recovered by gravity separation, gave an overall gold recovery of 95.7%. Acid base accounting tests confirmed that waste from veins processed at SGS is non-acid generating and therefore does not pose any environmental liability.

 

The most recent resource estimate for the Eau Claire gold deposit, completed in 2005, was based on 182 gold-bearing vein intercepts. Drilling over the past two years has intersected 500 gold-bearing veins at a significantly higher grade than the previous estimate, within the upper 1/3 of the deposit. A substantial number of the current drill intercepts are from the T-Vein group, which is located north of the previous resource limits.

 

Definition drilling is still required to evaluate the resource potential of a high-grade vein system in the 850 West Zone and the newly discovered Boomerang Prospect, located approximately one-half kilometre east of the eastern margin of Eau Claire. Continued drilling is also warranted to expand the gold resource within main deposit and T-Vein group of veins at depth. Metallurgical test-work currently underway will be integrated with an updated resource calculation in 2010.Deposit and property scale drilling and surface exploration work is planned to continue throughout the year.

 

This news release was prepared by Dr. Donald Robinson, P. Geo., the qualified person supervising the project in accordance with NI 43-101.

 
 
About Eastmain Resources Inc. (TSX:ER)
 
Eastmain
is a Canadian gold exploration company with 100% interest in the Eau Claire and Eastmain gold deposits. The Corporation has $16.5 Million in working capital, no debt and holds an interest in 12 projects within the James Bay District, including the Eleonore South property, where a gold discovery has been found in a similar geologic setting to Goldcorp's Roberto deposit. Eastmain's 2010 budget is $7.5 million for gold exploration in Quebec.
 

For further information please contact Eastmain Resources Inc.: Dr. Donald J. Robinson, President or Catherine Butella, Exploration Manager at (519) 940-4870, fax: (519) 940-4871, e-mail: info@eastmain.com or visit our website at www.eastmain.com.

 

The statements made in this Press Release may contain forward-looking statements that may involve a number of risks. Actual events or results could differ materially from the Company's expectations and projections.   

 

"Building for tomorrow, today!" 

   
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Eastmain Resources Inc. | 36 Toronto Street | Suite 1000 | Toronto | Ontario | M5C 2C5 | Canada
Données et statistiques pour les pays mentionnés : Canada | Tous
Cours de l'or et de l'argent pour les pays mentionnés : Canada | Tous

Eastmain Resources Inc.

EXPLORATEUR
CODE : ER.TO
ISIN : CA27743M1068
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Eastmain Res. est une société d’exploration minière d'or et de plomb basée au Canada.

Eastmain Res. détient divers projets d'exploration au Canada.

Ses principaux projets en exploration sont EASTMAIN GOLD MINE, KIDD (BUTTERWORTH) - EASTMAIN, TINGLEY BROOK, ROAD KING, RUBY HILL (EASTMAIN), ELEONORE SOUTH, DYNA, LAC ELMER, LAC HUDSON, RADISSON, ABITIBI EXTENSION, AKWESKWA, LIDGE, MEGATEM, OTTER BROOK / ROCKY LAKE, RAILROAD, RESERVOIR et CLEARWATER / EAU CLAIRE au Canada.

Eastmain Res. est cotée au Canada, aux Etats-Unis D'Amerique et en Allemagne. Sa capitalisation boursière aujourd'hui est 48,2 millions CA$ (36,8 millions US$, 31,1 millions €).

La valeur de son action a atteint son plus haut niveau récent le 07 janvier 2011 à 2,17 CA$, et son plus bas niveau récent le 03 avril 2020 à 0,06 CA$.

Eastmain Res. possède 175 430 000 actions en circulation.

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