VANCOUVER, Aug. 10 /CNW/ - Ross River Minerals Inc. (TSX-V: RRM) (the
"Company") has received analyses of 34 lithogeochemical samples from the
Cetolla area. Copper analyses ranged from 44.30 ppm Cu to greater than
10,000 ppm Cu (approximately 1%). Four samples exceeded the detection limit of
10,000 ppm Cu. Molybdenum analytical results ranged from 1.07 ppm Mo to
1,902.64 ppm Mo. Silver analyses ranged from 116 ppb Ag to 70,701 ppb Ag, with
nine samples exceeding 10,000 ppb, approximately 10 grams per tonne. Gold
analyses ranged from 1 ppb Au to 805.5 ppb Au.
A new road built one kilometre northeast of the Minitas copper prospect
gave improved access to the Jocquistes copper prospect two kilometres
northeast of Minitas as well as the Cetolla prospect three kilometres north of
Minitas. Results have been received for 179 lithogeochemical samples from the
Jocquistes area. Three samples exceeded the detection limit for copper and ten
other samples contained greater than 5,000 ppm Cu. Results for molybdenum
ranged from 0.67 ppm Mo to 1,723.92 ppm Mo. Six samples exceeded 500 ppm Mo
and two of those contained greater than 1,000 ppm Mo. Fourteen samples
contained greater than 10,000 ppb Ag, and one of those exceeded the detection
limit of 100,000 ppb Ag. One sample contained greater than 1,000 ppb Au,
approximately 1 gram per tonne.
In April and May of 2005 prospecting, mapping and sampling was extended
east of the 2004 geophysical and geochemical grid into the Minitas, Jocquistes
and Cetolla areas. A total 77.47 line-kilometres of soil geochemistry and
56.16 line-kilometres of IP and magnetometer surveys were carried out over an
area of 16 square kilometres. Disseminated and stockwork copper mineralization
was discovered in the canyons north of the Minitas copper prospect, which had
earlier detected higher-grade mineralization related to low-angle quartz veins
and associated phyllic alteration. Subsequent work extended the disseminated
mineralization northward into the area of a rhyolite intrusive coincident with
an observed increase in molybdenite mineralization. Five hundred eighty (580)
analytical results have been received for the lithogeochemical samples taken
in this area. Copper results range from 5.48 ppm Cu to greater than 10,000 ppm
Cu. Twelve samples exceeded the detection limit of 10,000 ppm Cu and an
additional 20 samples exceeded 5,000 ppm Cu. Analytical results for molybdenum
range from 0.51 ppm Mo to greater than 2,000 ppm Mo. Ten samples exceeded the
detection limit of 2,000 ppm Mo and seventeen samples contained greater than
500 ppm Mo, including seven that contained greater than 1,000 ppm Mo. Silver
results range from 39 ppb Ag to greater than 100,000 ppb Ag. Nine samples
exceeded the detection limit of 100,000 ppb Ag and 105 other samples contained
greater than 10,000 ppb Ag. Gold analyses range from less than the detection
limit to 7,396 ppb Au, approximately 7.3 grams per tonne. Nine samples
exceeded 1 gram per tonne.
The El Pulpo copper porphyry project, located 125 kilometres northeast of
Mazatlan, Sinaloa State, Mexico, now covers an area of approximately 40 square
kilometres and has five centres of copper mineralization - Cerro Colorado, La
Langosta, La Cetolla, Jocquistes and Minitas. The El Pulpo property covers an
area of approximately 200 square kilometres of which less than one third has
been explored to date.
Analyses were conducted by Acme Laboratories in Vancouver BC. All samples
exceeding the detection limit of the analytical technique will be reanalyzed
by techniques appropriate to their higher grades. James R. Reeves P.Geo was
the qualified person supervising the exploration program.
To find out more about Ross River Minerals Inc. (TSX-V: RRM) visit our
website at www.rossriverminerals.com.
ROSS RIVER MINERALS INC.
Per: "Marcus Foster"
------------------------------
Marcus N. Foster, President
The TSX Venture Exchange has not reviewed and does not accept
responsibility for the accuracy or the adequacy of this release.
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