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“Mantle Resources Inc.’s Akie deposit is a sedimentary exhalative (“SEDEX”) zinc-lead-silver deposit formed during one of the great ages of zinc mineralization. Another SEDEX zinc-lead-silver deposit of the same age that formed under very similar geological conditions to Akie is the 'Giant' Red Dog deposit, operated by Teck-Cominco and located in the Brooks Range of northern Alaska. Red Dog is the largest zinc mine in the world and is one of the largest accumulations of zinc+lead mineralization – more than 32 Mt contained zinc+lead metal.”
- Neil O’ Brien, Senior Vice-President of Exploration and Business Development, Lundin Mining Corp.
Mineral Tenure Online
Mantle:
- 100% Ownership (red): 87,911 Ha
- Control dominant land position over a distance of 180 km within the Kechika Trough.
- These rocks host major SEDEX deposits and numerous (25+) showings and occurences.
- Mantle and Teck Cominco are the dominant land holders in the district.
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Akie Property, BC
Mantle Resources has a 100% interest in the Akie SEDEX zinc-lead property which comprises approximately 5,400 hectares in the Omineca mining division of British Columbia and is located approximately 260 kilometres northwest of the town of Mackenzie. The property contains a partly explored zinc-lead-silver-barite massive sulphide deposit. Between 1992 and 1996 approximately $5.4-million was spent by other parties exploring the property, including approximately 13,000 metres of diamond drilling. Over the past two and a half years, Mantle has continued exploring the property, including an additional 13,000 meters of drilling.
The Akie zinc-lead property is situated within the southern-most part (Kechika Trough) of the regionally extensive Paleozoic Selwyn Basin, one of the most prolific sedimentary basins in the world for the occurrence of SEDEX zinc-lead-silver and stratiform barite deposits.
Based on the drilling to date, in mid-April 2008 the Company announced an initial 43-101 compliant inferred resource estimate for the Cardiac Creek zinc-lead deposit on the Akie property. At a zinc cut-off grade of 5 per cent, the deposit contains 3.95 billion pounds of zinc, 780 million pounds of lead and 8.95 million ounces of silver.
Cardiac Creek Deposit Inferred Mineral Resource
|
Tonnes
(000’s) |
Zinc
(%) |
Lead
(%) |
Silver
(g/t) |
Zn+Pb
(%) |
2 |
50,874 |
5.28 |
1.00 |
9.6 |
6.28 |
3 |
37,683 |
6.25 |
1.22 |
11.0 |
7.47 |
4 |
30,595 |
6.89 |
1.36 |
12.0 |
8.25 |
5 |
23,595 |
7.60 |
1.50 |
13.0 |
9.10 |
6 |
17,051 |
8.41 |
1.68 |
14.2 |
10.09 |
7 |
11,841 |
9.26 |
1.86 |
15.4 |
11.12 |
The Cardiac Creek deposit remains open to expansion in tonnage and grade both along strike, up-dip and down-dip.
The deposit is hosted by variably siliceous, fine grained clastic rocks of the Middle to Late Devonian ‘Gunsteel’ formation which occur extensively on the Company’s claim holdings.
Two similar deposits, Cirque and South Cirque, located some 20 kilometers northwest of Akie and owned under a joint venture by Teck Cominco and Korea Zinc, are also hosted by Gunsteel rocks and have a combined geologic inventory in excess of 50 million tonnes.
Mantle also owns an extensive Regional Property package (100% owned) which will be the focus of upcoming district scale exploration programs.
Mt. Alcock Claims, BC
The Company has a 100% interest, subject only to a 1% Net Smelter Returns (NSR) royalty, in certain mineral claims located in the Mt. Alcock area of northeastern British Columbia. The 30 mineral claims encompass a total of approximately 8,400 hectares. The best reported drill intercepts are 10.5 meters grading 6.8% combined zinc+lead and 23.3 grams silver/tonne, and 8.8 meters grading 9.30% combined zinc+lead and 41.1 grams silver/tonne (including 3.6 meters of 14.2% combined zinc+lead).
The Cirque deposit (referenced above under "Akie Property") is located 22km to the southeast of the Mt. Alcock Claims.
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Copyright Mantle Resources Inc. 
