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Wed, August 26, 2009
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Mon, August 24, 2009
[ Mon, Aug 24th 2009
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Greystar Resources Ltd.: Greystar Hits More Gold-Bearing Oxide Mineralization at Mongora
VANCOUVER, BRITISH COLUMBIA--(Marketwire - Aug. 25, 2009) - Greystar Resources Ltd. ("Greystar" or the "Company") (TSX:GSL)(AIM:GSL) reports that exploratory drilling three kilometres south of its multi-million ounce Angostura gold-silver resource in northeastern Colombia continues to intersect near surface, gold-bearing oxide mineralization.
The latest drill results from the Mongora area of the Angostura property included 31 metres grading 0.96 gram gold per tonne starting from surface in one hole and 13.1 metres grading 0.54 gram gold per tonne starting from 21.9 metres in another drill hole. Higher-grade gold values like 9.77 grams gold per tonne over 2 metres also continued to be encountered at depth.
"The delineation of oxide gold mineralization at the Mongora area is very exciting for the Angostura project," said Greystar's Executive Vice President, Frederick Felder, P.Geo. "The potential of outlining a new oxide resource that could be added to the 2.26 million ounce oxide resource (measured and indicated) already defined at the Angostura deposit has very favourable implications for the overall economics of the entire Angostura project. We will be ramping up exploration efforts in this area once the drilling for the hydrogeological and geotechnical programs on the Angostura deposit is completed."
Highlights of the additional drilling results from the Mongora area include:
-------------------------------------------------------------------------
From To Interval Gold Silver
Hole Intercept (m) (m) (m(i)) (gm/t) (gm/t)
-------------------------------------------------------------------------
MO09-10 21.9 35.0 13.1 0.54 1.4
--------------------------------------------------------------
208.0 216.0 8.0 0.62 1.1
--------------------------------------------------------------
253.0 264.0 11.0 0.47 0.7
--------------------------------------------------------------
281.0 283.0 2.0 9.77 3.8
--------------------------------------------------------------
325.0 333.0 8.0 1.33 2.0
-------------------------------------------------------------------------
MO09-11 6.5 9.0 2.5 1.41 9.5
--------------------------------------------------------------
126.5 131.0 4.5 1.0 2.6
--------------------------------------------------------------
144.0 147.5 3.5 2.83 4.6
--------------------------------------------------------------
215.0 224.0 9.0 0.54 0.1
--------------------------------------------------------------
239.0 246.0 7.0 0.78 1.4
-------------------------------------------------------------------------
MO09-12 67.0 72.85 5.85 0.57 2.6
--------------------------------------------------------------
113.0 120.5 7.5 0.6 1.2
--------------------------------------------------------------
161.0 176.3 15.3 0.47 1.6
--------------------------------------------------------------
239.5 242.0 2.5 3.08 4.2
-------------------------------------------------------------------------
MO09-13 0.0 31.0 31.0 0.96 0.8
-------------------------------------------------------------------------
Note: m(i) - Downhole width, not corrected but based on drill holes and
structural dip of the mineralization, the interval is
considered to be close to true width.
The exploration drill program at Mongora was halted in May when all the diamond drills were dedicated to the Angostura feasibility study work. A total of eight machines are currently working on hydrogeological and geotechnical programs, which are now over 70% complete. Drilling is expected to resume at Mongora in September.
The Current Status of the Angostura Geotechnical and Hydrogeological program is as follows:
------------------------------------------------------------------
COMPLETED PLANNED
-------------------------------------------------
PROGRAM Drill Holes Metres Drill Holes Metres
------------------------------------------------------------------
Geotechnical 35 2,316 48 3,005
------------------------------------------------------------------
Hydrogeology 13 1,758 16 2,829
------------------------------------------------------------------
TOTAL 48 4,074 64 5,834
------------------------------------------------------------------
Based on the December 2008, resource update estimation, the Angostura deposit hosts a measured resource of 148.9 million tonnes grading 0.78 gram gold for 3.736 million contained ounces of gold; an indicated resource of 182 million tonnes grading 1.34 grams gold for 7.813 million contained ounces of gold. Combined, the measured and indicated resources host 11.5 million ounces of gold in 330.9 million tonnes of material grading 1.09 grams gold per tonne, plus an inferred resource of 3.472 million ounces of gold in 90.8 million tonnes grading 1.11 grams gold per tonne. Resource estimation was undertaken in compliance with CIM mineral resource and mineral reserve definitions that are referred to in National Instrument 43-101 - Standards of Disclosure for Mineral Projects. A location map of the Angostura drilling, along with a map of the underground tunnel work and an updated concession map, can be accessed from the Company's home page link at Greystar's website. [ www.greystarresources.com ].
REVIEW BY QUALIFIED PERSON, QUALITY CONTROL AND REPORTS
The results of the Company's drilling program have been reviewed, verified (including sampling, analytical and test data) and compiled by the Company's geological staff (which includes a qualified person, Frederick Felder, P.Geo., for the purpose of National Instrument 43-101, and Guidance Note for Mining, Oil and Gas Companies issued by the London Stock Exchange in respect of AIM companies, which outline standards of disclosure for mineral projects). Frederick Felder, P.Geo., has over 30 years of mineral exploration experience, is a member in good standing with the Association of Professional Engineers and Geoscientists of British Columbia and is the qualified person responsible for this release.
The Company has implemented a quality control program to ensure sampling and analysis of all exploration work is conducted in accordance with the best possible practices. Under these quality assurance measures, drill core is sawn into halves with one half of the core prepped on site and samples shipped to ALS-Chemex Laboratory (ISO 9002 registered) in Vancouver, B.C. for analysis. The remainder of the core is retained for future assay verification. Gold analysis is conducted by fire assay (one assay tonne) using an atomic absorption finish. The laboratory re-assays using the ALS-Chemex protocol, and additional checks may be run on anomalous values. Greystar has independent re-analysis and sample preparation checks run at other accredited laboratories. The Company also introduces background blanks prepared from previously analyzed core samples from the Angostura Project.
Forward-Looking Statements
Certain statements included in this release are "forward-looking statements" within the meaning of Canadian securities legislation. Forward-looking statements include, among other things, statements regarding targets, estimates and assumptions in respect of gold prices, results, mineral resources and anticipated grades. Forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable by the Company, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Many factors could cause the Company's actual results to differ materially from those expressed or implied in any forward-looking statements made by, or on behalf of, the Company. Such factors include, among other things, risks relating to additional funding requirements, resource estimates, exploration, development and operating risks, limited experience with development-stage mining operations, dependence on one principal exploration stage property, political and foreign risk, uninsurable risks, competition, production risks, environmental regulation and liability, government regulation, currency fluctuations, potential title disputes and dependence on key employees as set out under the heading "Risk Factors" in the Annual Information Form of the Company dated March 31, 2009 which is available in SEDAR. Investors are cautioned that forward-looking statements are not guarantees of future performance and, accordingly, investors are cautioned not to put undue reliance on forward-looking statements due to the inherent uncertainty therein. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.
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