Rockhaven Resources Ltd.
TSX VENTURE : RK

Rockhaven Resources Ltd.

October 14, 2009 13:30 ET

Rockhaven Resources Ltd. Announces Promising Silver Values From Trenches at Its Plata Property

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Oct. 14, 2009) - Rockhaven Resources Ltd. (TSX VENTURE:RK) ("Rockhaven") is pleased to announce positive results from excavator trenching at its wholly owned Plata property located in east-central Yukon Territory.

The 2009 trenching program tested areas with potential to host high grade silver-lead-zinc veins and/or silver-gold-lead-zinc bulk tonnage deposits. The trenching targets are located within large areas of strongly anomalous soil geochemical values. The 2009 program successfully identified mineralization of both types, but explored only small portions of the geochemically anomalous areas. Much work remains to be done before those anomalies are fully evaluated. There is good potential for additional discoveries. Particularly noteworthy results are described in the following paragraphs.

The P-2 vein dips steeply and consists of massive, poddy and disseminated galena, tetrahedrite, and sphalerite hosted in siderite gangue. The 2009 work program included excavator trenches, systematically spaced at 5 to 10 m intervals along a 70 m length of this vein. A step-out trench located 15 m along strike to the north also discovered significant mineralization. Chip samples returned a weighted average of 812 g/t Ag, 24.48% Pb and 17.02% Zn across an average width of 1.93 m and along a strike length of 85 m. The vein remains open to extension along strike in both directions.

During the program, core from an unreported diamond drill hole that tested downdip on the P-2 vein in 1985 was discovered and re-sampled. Hole 85-P2-05, which pierced the vein approximately 10 m below the surface trace of the vein, returned 857 g/t Ag, 33.16% Pb and 9.46% Zn over a core length of 2.98 m. No assays were announced for this drill hole by the previous operator.

Bulk tonnage mineralization was discovered 700 m north of the P-2 vein at the Etzel zone, where widely spaced clay and scorodite altered quartz-filled fractures host disseminated galena, tetrahedrite and sphalerite. Four trenches were excavated over a length of 50 m along this fracture system. Due to topographic constraints and frozen overburden, the trenches were unable to reach across the full width of the zone and all ended in mineralization. The southernmost trench was the longest and graded 94 g/t Ag, 0.51% Pb, 0.29% Zn and 0.20 g/t Au over 40.54 m. The other trenches returned a weighted average of 260 g/t Ag, 1.60% Pb, 0.09% Zn and 0.15 g/t Au across 19.70 m. This discovery is open to extension in all directions and has never been drill tested.

Similar bulk tonnage style mineralization was discovered at the Ladue zone, where chip samples averaged 84 g/t Ag and 0.80% Pb with trace gold and zinc over 14 m. This vein system is located 1000 m southeast of the Etzel zone.

"The 2009 excavator trenching results prove that the full extent of mineralization at the Plata property has not been established and that new discoveries can be made" states Matt Turner, CEO of Rockhaven. "The bulk tonnage targets have highly favourable silver-lead ratios and their discovery further confirms that the property could host an important silver camp. The Company plans to aggressively evaluate the various high grade and bulk tonnage targets by continued trenching and diamond drilling, as soon as possible in spring 2010."

Significant trench results from the 2009 excavator trenching program are shown on the attached table, while maps illustrating trench locations can be viewed on the Company's website (www.rockhavenresources.com).

SIGNIFICANT 2009 TRENCH RESULTS
PLATA PROJECT
ROCKHAVEN RESOURCES LTD.

TrenchTargetFrom
(m)
To
(m)
Sampled
Interval
(m)
True
Width
(m)
Ag
(g/t)
Pb
(%)
Zn
(%)
Au
(g/t)
TR-09-12Ladue2.0016.0014.0014.00840.800.13trace
TR-09-13P-22.003.801.801.8042620.480.36trace
TR-09-14P-23.855.411.561.5658217.9510.15trace
TR-09-15P-21.507.806.306.3095922.9518.84trace
TR-09-16P-21.102.921.821.8279831.8115.19trace
TR-09-17P-24.005.301.301.30177559.387.18trace
TR-09-18P-20.001.931.931.93114015.4734.43trace
TR-09-19P-20.001.261.261.2665723.4417.95trace
TR-09-20P-20.504.504.004.004454.8320.32trace
TR-09-21P-22.103.341.241.24167549.9918.75trace
TR-09-22P-20.002.382.382.3878424.8311.48trace
TR-09-23P-20.001.821.821.821072.9138.12trace
TR-09-24P-22.693.620.930.9361311.4523.70trace
TR-09-25P-20.001.081.081.0837417.705.40trace
TR-09-26P-20.001.531.531.53107837.9124.31trace
TR-09-29Etzel25.1465.8840.7440.54940.510.290.20
TR-09-30Etzel7.7517.479.729.226904.340.210.27
TR-09-31Etzel010.1810.1810.181610.670.150.17
TR-09-32Etzel2.0012.0010.0010.001000.730.010.09

All analyses referred to in this news release were performed at ALS Chemex in North Vancouver, BC. The samples were collected and handled in ways that ensure security. Each sample was analyzed for silver, gold and 32 other elements. Silver analyses for high grade samples involved fire assay followed by gravimetric finish (Ag-GRA21). Analysis for a multi-element package that included silver was done by inductively coupled plasma combined with either mass spectroscopy or atomic emission spectroscopy (ME-ICP61a). Samples that exceeded the detection limit for lead and zinc were reanalyzed using three-acid digestion and HCl leach followed by inductively coupled plasma coupled with atomic emission spectroscopy or atomic absorption spectroscopy (Pb-OG62 and Zn-OG62). Samples that exceeded 30% zinc and 20% lead were determined using wet chemical assay techniques (Pb-VOL70 and Zn-VOL50).

The technical information in this news release has been reviewed by W.A. Wengyznowski, P.Eng., a qualified person for the purpose of National Instrument 43-101.

For additional information concerning Rockhaven Resources Ltd. or its various exploration projects please visit the Company's website at www.rockhavenresources.com.

CAUTIONARY NOTE: This news release includes certain "forward-looking statements". Other than statements of historical fact, all statements included in this release, including, without limitation, statements regarding future plans and objectives of Rockhaven Resources Ltd. are forward-looking statements that involve various risks and uncertainties. There can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements. Factors that could cause actual results to differ materially from those expected by Rockhaven Resources Ltd. are those risks described herein and from time to time, in the filings made by Rockhaven Resources Ltd. with Canadian securities regulators. Those filings can be found on the Internet at http://www.sedar.com.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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