IRO Inter Rock Minerals Inc

Inter-Rock Minerals Inc. (TSX VENTURE:IRO) recently announced that it had
successfully raised proceeds of $250,000 to finance exploration of its Sentinel
Peak and Stingaree Valley properties.


Stingaree Valley

The Stingaree project claims are in Churchill County, Nevada and cover a valley
floor located 45 miles east of Fallon and just north of U.S. Highway 50. The
property is located between the historic Chalk Mountain and Westgate mining
districts. Chalk Mountain is immediately to the west of the property, while
Westgate is about 1.5 miles to the southeast.


Inter-Rock signed a long term lease in September, 2007 for 17 unpatented mining
claims in Churchill County, Nevada. Advance royalty payments are $10,000 upon
the first anniversary of signing and $15,000 on each anniversary of the signing
date thereafter. The property is subject to a 2.5% net smelter return royalty
with a buyout clause. Inter-Rock has staked an additional 27 claims that adjoin
the 17 leased claims.


The surficial rock assemblage present Chalk Mountain and Westgate comprises a
Triassic to early Jurassic sedimentary sequence of dolomitic limestone, shale,
and minor arenaceous units intruded in places by massive quartz porphyry and
granodiorite of Tertiary and Cretaceous age. In 1974, J.R. Simplot completed an
IP survey and drilled one core hole on the property. Simplot was looking for a
copper porphyry deposit and did not do any assaying for gold. Bear Creek Mining
did some field work in the early 1980's. Subsequently, the property was held by
private geologists and some further geophysical work was carried out. These
investigations indicated that favourable shale bedrock is not deeply covered.
Grab samples taken subsequently from the Simplot core reportedly contained gold
values in the shale.


Inter-Rock intends on carrying out geophysical and geochemical surveys to
determine the depth of the bedrock and to assist in drill target definition.
This work will commence as soon as ground and weather conditions permit.


Sentinel Peak

The Sentinel Peak property is located in northern Humboldt County, Nevada
approximately 80 miles northwest of Winnemucca. Inter-Rock holds 22 claims
covering 440 acres. No royalties or lease payments are associated with the
property.


Australian Ores and Minerals (AOM) discovered gold mineralization at Sentinel
Peak in the 1990's by follow up field examination of a spectral anomaly. Their
work comprised geological mapping, a closed space soil geochemical program,
analysis of rock chip, trench, and road cut samples, and ground geophysical
studies. Approximately 984 soil samples on a 100 foot grid spacing and 1,160
rock chip samples were collected and analyzed. The rock chip geochemistry
returned gold to 7.0 ppm, silver to 39 ppm, arsenic to 690 ppm, and mercury to
9.7 ppm. The soil samples showed gold up to 2.1 ppm with large areas of plus 100
ppb. One trench reportedly revealed a zone of 90 feet grading 1.2 ppm gold.


The Sentinel gold prospect occurs in and around a Cretaceous granite to
granodiorite stock, later intruded by latite porphyry dikes, which is several
thousand feet long and intrudes an assemblage of Permain metavolcanics and
metasediments. There are NE-SW and NW-SE shear structures with cross cutting
faults.


Both the intrusive and sediment/volcanic package contain numerous areas of cross
cutting veinlets, boxworks, and veins of silica, calcite, and iron oxides.
Hydrothermal alteration is prevalent throughout the anomalous spectral feature
with phyllic/argillic alteration up to 50% quartz and 50% sericite. The
alteration and mineralization are indicative of a moderate depth hydrothermal
system.


Outcrop is generally poor, but residual shallow soil contains abundant
alteration minerals. A series of low cost airtrack drill holes will be used to
provide detailed mapping and sampling data. Inter-Rock plans to start this work
in the late spring once the snow cover has melted.

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