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News Release: June 11th, 2004
Progress Report on the El
Pulpo Project, Mexico
The El Pulpo property
is located north-east of Mazatlan and covers an area of approximately
200 square kilometres. Almaden Minerals Ltd. (Almaden) has optioned
this property to Ross River Minerals Ltd. (Ross River) who can
earn a 60% interest by spending US$3,000,000 and issuing 425,000
shares to Almaden. Almaden and Ross River have identified high
grade porphyry related gold, silver and copper mineralisation
over a surface area in excess of 12 square kilometres. The property
hosts at least two copper-gold porphyry targets and three high
grade gold vein targets. Ross River has provided the company
with the following results in the form of a news release, an
excerpt from which follows:
"Ross River Minerals
Inc. is pleased to announce that it has confirmed Cerro Colorado
as the third and largest copper-gold porphyry target identified
to date on its 200 square kilometre El Pulpo property. This is
in addition to the previously identified La Langosta/El Bagre
and La Cetolla copper-gold porphyry targets and the Papaya, La
Trucha, El Sauz and El Tiburon gold-silver vein targets.
As previously reported, a
large I.P. chargeability anomaly was outlined associated with
gold, silver and copper soil geochemistry anomalies. Previous
work focused on the gold potential along a northeast-southwest
trending ridge characterized by sheeted and stockwork gold bearing
quartz-tourmaline veining within zones of phyllic alteration
in an intrusive setting. Prospecting and geological mapping of
anomalous soil geochemistry and geophysical anomalies north of
the northeast-southwest trending ridge in topographically lower
areas has discovered widespread fractured controlled and disseminated
porphyry style chalcopyrite mineralization within potassically
altered granodiorite. At higher elevations the anomalies are
associated with a widespread reddish-brown soil overlying altered
oxidized granodiorite with remnant chalcopyrite, pyrite and iron
oxides with anomalous copper in soils ranging from greater than
200ppm copper to over 6,000ppm copper.
The porphyry mineralization
on Cerro Colorado appears to be outlined by three chargeability
anomalies >10mV/V at n=1, forming a rough ellipse. On most
lines, which are spaced at 200 metres, the chargeability increases
at depth with greater than 15mV/V to >30mV/V. The largest
anomaly has a length of 1,900 metres and a width of 750 metres
and trends northeast-southwest. The second anomaly 520 metres
northwest of the first has dimensions of 800 metres by 300 metres
trending in a northwest-southeast direction. The third anomaly
200 metres west of the first is 450 metres by 300 metres in size.
All the chargeability anomalies
have coincident copper soil geochemistry anomalies (>200ppm
- 6,200ppm copper), silver soil geochemistry anomalies (>1,000ppb
- 30,049ppb silver) and gold soil geochemistry anomalies (>30ppb
- 3,213ppb gold). Molybdenum (>6ppm -118ppm) and zinc (>250ppm
- 1,731ppm) overlap and are outboard of the copper anomalies.
Where the anomalies outcrop, potassic (biotite+/-potassium feldspar+/-hematite
after magnetite) and phyllic (sericite+/-quartz+/-pyrite) alteration
with chalcopyrite and/or copper oxides are observed. The surficial
distribution of these metals is consistent with large porphyry
copper deposits.
To date at least forty percent
of the Cerro Colorado area has been mapped and sampled as part
of a follow-up program of prospecting and mapping the soil geochemistry
and geophysical anomalies. Assays are pending for rock samples.
James R. Reeves P.Geo. is the qualified person supervising the
geologic work in this area.
Drilling is continuing on
the Papaya and La Trucha gold, silver, copper vein targets and
results will be reported when received. Trenching is also continuing
on the Cerro Colorado, La Langosta and Papaya targets. Management
is extremely encouraged by the on-going field program that continues
to identify new and larger copper, gold, silver targets."
The quote above from a Ross
River news release refers to the unit of measurement "mV/V".
This is the geophysical unit of measurement for chargeability,
or the overvoltage induced in the geophysical survey. Chargeability
is a function of the metallic mineral content of the area surveyed.
Almaden believes these results to be very encouraging and are
representative of a large copper-gold bearing intrusive hosted
system. Ross River informed Almaden that Acme Analytical Labs
of Vancouver carried out the analyses reported above.
Almaden currently has thirteen
active joint ventures on sixteen properties. This includes eight
joint venture deals in which other companies are earning an interest
in the Almaden projects by spending, and a regional exploration
program with partner BHP Billiton underway to explore for copper-gold
deposits in Mexico. In addition, Almaden is continuing its aggressive
exploration efforts in Mexico and Canada.
ON BEHALF OF THE BOARD
OF DIRECTORS
Duane Poliquin
The Toronto Stock Exchange
has not reviewed nor accepted responsibility for the adequacy
or accuracy of the contents of this news release which has been
prepared by management. Statements contained in this news release
that are not historical facts are forward looking statements
as that term is defined in the private securities litigation
reform act of 1995. Such forward -looking statements are subject
to risks and uncertainties which could cause actual results to
differ materially from estimated results. Such risks and uncertainties
are detailed in the Company's filing with the Securities and
Exchange Commission.
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