Donner Metals Ltd.-Initial Bracemac-McLeod NI43-101 IndicatedResource: 3,648,000 Tonnes at 11.09% Zinc, 1.55% Copper, 31.34 g/tSilver and 0.48 g/t Gold

Donnerstag, 22.01.2009 22:25 von Hugin - Aufrufe: 262

VANCOUVER, BRITISH COLUMBIA -- (MARKET WIRE) -- 01/22/09 -- Mr.
Harvey Keats, Chief Executive Officer of Donner Metals Ltd. (TSX
VENTURE: DON)(FRANKFURT: D4M), reports that a resource calculation
conforming to NI43-101 standards has been received from Xstrata
Canada Corporation - Xstrata Zinc Canada Division (Xstrata Zinc),
operator for the Bracemac-McLeod discovery located 6 kilometres
southeast of Xstrata's operating Matagami Mill Complex. Indicated
resources are currently calculated at 3,648,000 tonnes grading 11.09%
zinc, 1.55% copper, 31.34 g/t silver and 0.48 g/t gold, with
additional inferred resources of 528,000 tonnes grading 1.25% zinc,
1.79% copper, 11.51 g/t silver and 0.18 g/t gold, calculated
separately for the less well defined McLeod West Zone and the Copper
Zone.
 
Xstrata Zinc is presently conducting a scoping study focused on
metallurgical testing, preliminary engineering studies using a ramp
access and preliminary capital cost assessment. The objective of the
study is to provide an initial evaluation of the viability of mine
development as the first step towards assessing the feasibility of
production at Bracemac-McLeod.
 
Alteration and the trend of mineralization indicate further potential
exists to discover additional high-grade sulphides in the local
vicinity of both the McLeod and West McLeod zones. This potential
will continue to be assessed as the project is advanced.
 
Mineralization found at Bracemac-McLeod is typical of the Matagami
Camp which has operating infrastructure and has consistently been a
low-cost producer of zinc, copper, silver and gold since the first
production began in 1963.
 
Current Bracemac-McLeod Resource Calculation
Indicated Resources
 
-------------------------------------------------------------------------
Mineralization
Type Tonnes % Zn % Cu g/t Ag g/t Au
-------------------------------------------------------------------------
-------------------------------------------------------------------------
McLeod Zone MS and SMS 1,843,253 10.23 1.36 29.36 0.57
-------------------------------------------------------------------------
Upper Bracemac
Zone MS and SMS 84,835 10.96 0.60 30.30 0.44
-------------------------------------------------------------------------
Bracemac Zone MS and SMS 512,629 8.47 1.67 24.75 0.32
-------------------------------------------------------------------------
Bracemac Key
Tuffite Zone MS and SMS 1,207,367 13.52 1.85 37.23 0.40
-------------------------------------------------------------------------
-------------------------------------------------------------------------
TOTAL INDICATED MS and SMS 3,648,084 11.09 1.55 31.34 0.48
-------------------------------------------------------------------------
 
Current Inferred Resources
-------------------------------------------------------------------------
Mineralization
Type Tonnes % Zn % Cu g/t Ag g/t Au
-------------------------------------------------------------------------
-------------------------------------------------------------------------
West McLeod Zone MS and SMS 157,368 2.14 2.54 23.09 0.19
-------------------------------------------------------------------------
Copper Zone S 370,922 0.87 1.47 6.59 0.18
-------------------------------------------------------------------------
-------------------------------------------------------------------------
TOTAL INFERRED S, MS, and SMS 528,290 1.25 1.79 11.51 0.18
-------------------------------------------------------------------------
MS equals massive sulphide, SMS equals semi-massive sulphide,
S equals stringer sulphide
 
Parameters Used For Indicated and Inferred Resource Calculations:
 
- Cut-off for the Bracemac and McLeod sulphide zones is based on the
extent of massive sulphides. A cut-off grade of 4% zinc equivalent
(zinc + 2 times copper) is used for the Copper Zone. Both are based
on historical experience in resource estimation at Matagami.
 
- Capping Values were applied to individual gold and silver assays
corresponding to the 97.5 percentile of each individual zone in order
to minimize the nugget effect.
 
- Drill spacing for indicated resources calculated for the Bracemac
Zones and the McLeod Zone is at approximately 50 metre centres.
 
- Inferred resources are classified on the basis of greater than 50
metre drill spacing and/or uncertain continuity/geometry at 50 metre
drill spacing.
 
- Type of resource calculation model: Polygonal method on an inclined
long section.
 
Zone Features:
 
The Bracemac and McLeod zones contain sulphides that are generally
typical of zinc-enriched Matagami-type VMS deposits. The zones differ
on the basis of significant sulphides stacked in two separate
stratigraphic horizons in the hanging wall to the Key Tuffite at
Bracemac, locally higher copper content for both the McLeod and
Bracemac Key Tuffite zones, the absence of well developed stringer
zones directly under the core of the zones, the tabular shape of
mineralization and the extensive chloritization of the footwall
Watson Lake rhyolite observed from Bracemac to McLeod (greater than 2
km wide). Mineralization is characterized geophysically by the
weakness or total absence of electrical conductivity in the outer
part of the sulphide bodies making the delineation of their edge
difficult by standard electromagnetic geophysics. General
characteristics of each zone are as follows:
 
McLeod Zone:
 
- Massive and semi-massive sulphides at or near the Key Tuffite
stratigraphic horizon.
 
- Excellent potential for expansion of mineralization at depth
indicated on basis of DDH MC-08-34 (10.81% zinc, 1.35% copper, 37.72
g/t silver, 0.59 g/t gold over 2.12 metres).
 
West McLeod Zone:
 
- Massive and semi-massive sulphides, generally copper-rich.
Geometry, extent of sulphides and connection with the McLeod Zone is
unclear at current drill spacing.
 
Copper Zone:
 
- This zone is characterized by the occurrence of stringer copper
mineralization within extensive "Pipe" alteration in a laterally
predictable and continuous sheet that occurs between 10 to 30 metres
below mineralization in the McLeod Zone.
 
Bracemac Zone:
 
- Massive and semi-massive sulphides occur in three stacked zones
(Upper Bracemac Zone,
 
This announcement was originally distributed by Hugin. The issuer is
solely responsible for the content of this announcement.
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