GR Great Atlantic Resources Corp

GREENLIGHT RESOURCES INC. (TSX VENTURE:GR)(OTCBB:PRZCF)(FRANKFURT:PH0) is pleased to announce results from an ongoing prospecting evaluation program that was done concurrently with the recently completed drill program on the 5,080 acre Kemptville gold property. The program uncovered several groups of boulders of crenulated, silicified greywacke carrying weak pyrite and arsenopyrite mineralization. These boulders show variations in the intensity of alteration varying from chloritic to sericitic and the silicification ranges from weak to total replacement of the greywacke. As the intensity of the alteration/silicification increases, so does the gold content of the rock. Samples with weak silicification with chloritic alteration typically run from approximately 100 ppb (parts per billion) Au (gold) to approximately 1 gpt (gram per tonne) Au. The most intensely altered samples gave results of 1 gpt to greater than 30 gpt. The boulders vary in size from 10 kg to 5 tonnes and are grouped in tight clusters in three separate areas. Assays were run by Activation Labs in Toronto using the neutron activation method for gold assays and the total digestion ICP method for molybdenum and antimony.

These boulders are visually the same as the targeted altered greywacke sequences intersected in the recently completed diamond drill program. However, the float boulders are also enriched in molybdenum (Mo) and antimony (Sb) whereas the altered greywacke intersected in the drill program are not. The float samples range from approximately 50 to 1010 ppm (parts per million) Mo and up to 131 ppm Sb but the drill core samples are never above background levels of 2 ppm Mo and less than 1 ppm Sb. Clearly this indicates a separate set of mineralizing conditions that was not previously seen on the property. The Au/Mo/Sb association indicates the possible presence of a porphyry / epithermal system on the property. Previous mapping on the claims in the 1980's indicated the presence of an epithermal quartz breccia system to the NE of the float area and a chloritic tin bearing zone immediately to the NW of the float boulders. The presence of an Au/Mo/Sb lying between these two zones bolsters the evidence for an underlying porphyry or epithermal target.

The company has contracted Dr. Ralph Stea to carry out till studies in order to ascertain the direction of ice movement and distance of transport of these mineralized boulders. Although this study is ongoing, his initial reaction, after doing some up-ice trenching was that "these angular boulders must derive from local bedrock". A soil sampling survey for Mo was conducted over the up-ice ground to the north of the boulders, however these results have not been received from the lab as yet. Several untested IP anomalies lie to the north of the boulder clusters and these will be tested by diamond drilling pursuant to Dr. Stea's recommendations.

Patrick Forseille, P.Geo., a Qualified Person as defined by NI 43-101 is responsible for the technical information contained in this release.

On Behalf of the board of directors,

Christopher R. Anderson, CEO - President

To view accompanying photo, visit the following link: http://www.marketwire.com/library/20111005-BoulderField.jpg

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Contacts: GreenLight Resources Inc. John Curle Investor RelationsIR@GreenLightResources.comhttp://greenlightresources.com

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