a 2007 news release
posted on
Mar 16, 2014 07:13PM
Keep in mind, the opinions on this site are for the most part speculation and are not necessarily the opinions of the company WITHOUT PREJUDICE
Bolding in this paragraph is by me.
" Channel samples taken from the A-4 shaft include: 19.86oz/t Au (681.0 g/t
Au) over 37cm taken from the 10m level (with a duplicate check sample assaying
17.2 oz/t Au (591.0 g/t Au) over 37cm); 2.09 oz/t Au (71.6 g/t Au) over 1.0
metre taken from the 10m level; and 11.87 oz/t Au (407.0 g/t) over 25cm taken
from the 30m level. To date, 20 quartz-vein samples collected from the A-4
Vein System returned a weighted arithmetic average grade of 2.37 oz/t Au (81.3
g/t Au) across an average vein width of 30.4cm (about twice the average width
of the ZCV#1 Vein). It is important to note that the average grade does not
include the duplicate check sample (17.24 oz/t Au) and that there is often
more than one vein exposed at the levels sampled. In addition to gold
occurring in the quartz veins, it also occurs in ore-tenor concentrations in
adjacent rock units (andesite dyke, fault gouge and weakly-altered
granodiorite.)"
Ore: by definition, ore is an accumulation of mineralisation that can be mined economically, and is quantified in an ore reserve estimate.
Tenor: the metal content of a sulfide mineral calculated on the basis of 100% sulfide - this is DIFFERENT to grade. For example, in disseminated sulfide mineralisation the nickel or copper tenor of the sulfide may be quite high, but the grade of the overall rock may be quite low. High tenor sulfides can form high grade concentrates from low grade ores.
VANCOUVER, BRITISH COLUMBIA, May 10 /CNW/ - St. Elias Mines Ltd. ("the Company") (TSX VENTURE:SLI) (ISIN CA7849211080) (FWB:EKL) provides the following update regarding the Tesoro Gold Project (the "Project") located in southwestern Peru. As a result of the recent discovery of the A-4 Vein System and consistent high grades received from bulk sampling, the Company has decided to focus its exploration activities on this Project and has developed the following plan to significantly expand existing operations. The objective of the plan is to achieve a sustainable economic production to support two to three years of production at a rate of 300 to 500 tonnes per month while concurrently defining resources and reserves. This is a forward-looking statement. Forward-looking statements address future events and conditions and therefore involve inherent risks and uncertainties. Actual results may differ materially from those currently anticipated in such statements. There is no guarantee that the Company will achieve these objectives. The Tesoro Project The Tesoro Gold Project is situated in a highland desert plateau in southwestern Peru. The Project is 100% owned by St. Elias with no underlying royalties. The Project is located within the well-known Nazca-Ocona Gold Belt where there are at least 70 known gold deposits comprising narrow but generally high-gradegold-bearing quartz veins. Although the veins are narrow, the mineralized structures tend to extend along strike for kilometres and to depths of 1,000 metres. Evidence indicates that the Project has the potential to host a million ounces of gold, or more, within multiple veins traced for an aggregate strike length of 9.0 kilometres. The potential quantity and grade is conceptual in nature. There has been insufficient exploration to define a mineral resource. It is uncertain if further exploration will result in discovery of a mineral resource. Recent Exploration History To date, St. Elias has identified five gold-bearing zones (Zona Canchete, Zona Central, Zona Sur, Zona Incognito and Zona Este) with more than 50 quartz veins (collectively) having a total combined length of approximately 9.0 kilometres. A map showing the location of the zones within the Project can be viewed at http://www.steliasmines.com/properties/PeruFig3.pdf. So far, the Company has carried out exploration work on only two of these zones: Zona Canchete, where consistent high-grade bulk samples have been extracted from ongoing underground exploration and development; and Zona Central, where a new high-grade vein system has been discovered. Zona Canchete consists of a number of narrow, east-west striking gold-bearing quartz veins. To date, a total of 233.3 tonnes of bulk-sample material averaging 0.98 Au (33.6 g/t Au) has been extracted from ongoing underground exploration and development at the ZCV#1 Vein. This is from only one of at least five gold-bearing quartz veins identified in this zone. At Zona Central, the Company has recently discovered the A-4 Vein System, which comprises one to three veins. The A-4 Vein System is part of eight other main veins (or vein swarms) with an aggregate length of approximately 3,000m, within an area measuring 1,000m x 1,200m. Channel samples taken from the A-4 shaft include: 19.86oz/t Au (681.0 g/t Au) over 37cm taken from the 10m level (with a duplicate check sample assaying 17.2 oz/t Au (591.0 g/t Au) over 37cm); 2.09 oz/t Au (71.6 g/t Au) over 1.0 metre taken from the 10m level; and 11.87 oz/t Au (407.0 g/t) over 25cm taken from the 30m level. To date, 20 quartz-vein samples collected from the A-4 Vein System returned a weighted arithmetic average grade of 2.37 oz/t Au (81.3 g/t Au) across an average vein width of 30.4cm (about twice the average width of the ZCV#1 Vein). It is important to note that the average grade does not include the duplicate check sample (17.24 oz/t Au) and that there is often more than one vein exposed at the levels sampled. In addition to gold occurring in the quartz veins, it also occurs in ore-tenor concentrations in adjacent rock units (andesite dyke, fault gouge and weakly-altered granodiorite.) Mining and Exploration Plan The Company plans to expand existing operations at both Zona Canchete and Zona Central by deepening the existing main shafts to 100m below surface; drilling 5,000 metres of short (150m) holes; and establishing exploration level intervals at 50-m spacing. The objective of the plan is to achieve a sustainable economic production to support two to three years of production at a rate of 300 to 500 tonnes per month while concurrently defining resources and reserves. It is not possible to define a significant quantity of proven and probable reserves with diamond drilling alone (in a narrow vein system -- see note(1) below). In addition to diamond drilling, St. Elias must carry out underground exploration and development, as well as, establish a production history in order to define reserves. (1) Historically, most of the major Canadian vein type gold mines (including Red Lake, Val d'Or, Timmins, Bralorne, etc.) rarely had more than a couple of years of reserves that would meet today's definitions set out in National Instrument 43-101. They all started off as small producers and gradually expanded their production as reserves expanded. Development activities at Zona Canchete and Zona Central will be guided by diamond drilling of approximately 5,000 metres of short diamond drill holes from surface. Initially 4 or 5 strategically placed holes will be drilled on each system to guide shaft deepening (to 100m) and level development (at 50-m intervals). Subsequent systematic drilling (surface and underground) of both vein systems will follow in order to delineate resources and reserves for mining. Shallow surface drilling is planned to test the veins with drill holes having a maximum length of 150 metres spaced at approximately 30-mcentres. Surface drilling is needed to plan mine development which in turn will permit detailed underground drilling to be undertaken to define stope geometries and grades for mining purposes. Level intervals will be increased from the present 20-m spacing to 50-m increments. Establishing levels at 50-m intervals significantly reduces level development costs and increases stope life which will result in increased productivity and profitability. Spacing the levels at 50-m intervals allows a design to exploit "significantly large" stoping blocks that can support a predictable production rate for an extended period of time. The Company has been able to secure and purchase its own diamond drill and related equipment which is presently being prepared for shipping to Peru. Management has concluded that Company ownership of its own diamond drill will substantially expedite St. Elias' drill programs and provide significant savings in drilling costs. The technical content of this news release, has been verified by, John Brophy, P.Geo., and Glenn O'Gorman, P.Eng., who are independent qualified persons as defined in National Instrument 43-101, Standards of Disclosure for Mineral Properties. For additional information on St. Elias and its projects, please visit us at www.steliasmines.com or call 1-888-895-5522 (toll free US and Canada). ST. ELIAS MINES LTD. (signed "Lori McClenahan") Lori McClenahan, President The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or the accuracy of the contents of this document. This News Release may contain forward-looking statements including, but not limited to, comments regarding the timing and content of upcoming work programs, geological interpretations, potential mineral recovery processes, etc. Forward-looking statements address future events and conditions and therefore involve inherent risks and uncertainties. Actual results may differ materially from those currently anticipated in such statements
For further information: St. Elias Mines Ltd. Lori McClenahan Telephone: 604-669-4677 Facsimile: 604-669-9626 Toll Free: 888-895-5522 Web Site: www.steliasmines.com
http://www.newswire.ca/en/story/106457/st-elias-mines-ltd-ramping-up-to-500-tonnes-per-month-at-tesoro-gold-project-peru