Mansfield Minerals Inc.: Rio Grande Update
2008年3月27日 - 6:00AM
Marketwired
VANCOUVER, BRITISH COLUMBIA -
Mansfield Minerals Inc. (the "Company") announces final drilling
results on its 50% owned Rio Grande project located in Salta
Province, northwestern Argentina. Holes RGA-07-57 to RGA-07-62 and
RGA-07-32A are the remaining results generated from the 35 hole
drill campaign which included highlights as follows.
- RGA-07-34 (Sofia North Zone): 189 m with 0.70% Cu and 0.67 g/t
Au
- Includes 27 m with 1.16% Cu and 1.59 g/t Au
- Includes 12 m with 2.2% Cu and 1.85 g/t Au
- RGA-07-40 (Discovery Zone): 102 m with 0.58% Cu, 0.75 g/t Au,
and 13.1 g/t Ag
- Includes 25 m with 1.37% Cu, 1.89 g/t Au, and 18.0 g/t Ag
- RGA-07-43 (North Zone): 151 m with 0.40% Cu, 0.46 g/t Au, and
12.4 g/t Ag
- RGA-07-56 (#7 Zone): 135 m with 0.53% Cu, 0.65 g/t Au, and 8.9
g/t Ag
- Includes 48 m with 0.82% Cu, 1.28 g/t Au, and 8.7 g/t Ag
This 35 hole campaign was designed as a scout program to
establish the extent of copper-gold mineralization present at Rio
Grande. Given the wide spread spacing of the drill holes and the
number of strong intercepts, management is confident that Rio
Grande has a large metal budget. A 15,000 metre follow-up drill
campaign is currently being executed by Antares Minerals Inc.
("Antares"), and is designed as a step-out program focused on the
#7, Sofia, Sofia-Discovery and North zones.
Results from the final 7 holes of the previous program are as
follows.
-----------------------------------------------------------------------
Drill Hole Copper Gold Silver
Number Zone Interval Length (%) (g/t) (g/t)
-----------------------------------------------------------------------
RGA-07-57 Sofia North 312-332 m 20 m 0.30 0.33 3.1
414-432 m 18 m 0.36 0.34 9.3
-----------------------------------------------------------------------
9-170 m 161 m 0.34 0.32 3.2
RGA-07-58 #7 incl. 112-128 m 16 m 0.65 0.72 5.2
incl. 144-156 m 12 m 0.47 0.61 5.5
and 309-350 m 41 m 0.21 0.25 15.4
-----------------------------------------------------------------------
6-22 m 16 m 0.55 0.48 6.4
and 57-71 m 14 m 0.33 0.37 2.3
and 88-108 m 20 m 0.26 0.28 2.3
RGA-07-59 #7 and 116-153 m 37 m 0.54 0.54 7.7
incl. 138-148 m 10 m 1.07 1.15 19.5
and 190-214 m 24 m 0.24 0.21 2.6
and 256-266 m 10 m 0.24 0.23 3.4
and 553-585 m 32 m 0.18 0.30 4.1
-----------------------------------------------------------------------
RGA-07-60 Sofia 242-349 m 107 m 0.42 0.33 5.9
incl. 299-336 m 37 m 0.64 0.48 6.3
-----------------------------------------------------------------------
RGA-07-61 Southwest No significant intervals to report -
drill hole lost prior to target depth.
-----------------------------------------------------------------------
96-108 m 12 m 0.05 0.16 1.5
RGA-07-62 Northeast 225-251 m 26 m 0.14 0.13 4.8
262-276 m 14 m 0.11 0.08 1.2
-----------------------------------------------------------------------
RGA-07-32A Discovery 308-346 m 38 m 0.25 0.18 pending
364-374 m 10 m 0.37 0.32
-----------------------------------------------------------------------
- intervals have been rounded to the nearest metre.
In addition to the copper-gold mineralization encountered in
holes RGA-07-57 and RGA-07-60, significant molybdenum
mineralization was also noted (83.4 m with 0.054% Mo from 107-190 m
in RGA-07-57 and 56 m with 0.033% Mo from 400-456 m in RGA-07-60).
Follow-up drilling in this portion of the deposit will be required
to determine the extent of the molybdenum mineralization.
A map of the drill hole locations has been posted on the
Company's website and can be viewed at
http://www.mansfieldminerals.com/s/RioGrande.asp.
Security - Chain of Custody and Quality Control
Antares' security, chain of custody and quality control is
described on their website and can be reviewed at:
www.antaresminerals.com/BestPractices/SamplingMethodologies/tabid/88/Default.aspx.
This news release has been reviewed by Gordon P. Leask, P.Eng.,
President of the Company, and a Qualified Person ("QP") as defined
by National Instrument 43-101 (Standards of Disclosure for Mineral
Projects).
About Mansfield Minerals Inc. Mansfield is a mining exploration
company which has focused its activities in northwestern Argentina
since August 1994. The Company's current significant properties and
projects consist of mineral rights covering approximately 170
square miles in three Argentine provinces and one Canadian
province. The Company is currently focused on two primary projects
which include Lindero (gold) and Rio Grande (copper-gold).
On behalf of the Board of Directors,
Gordon P. Leask., P.Eng., President
Caution Regarding Forward-Looking Statements - This news release
contains certain forward-looking statements, including statements
regarding the business and anticipated financial performance of the
Company. These statements are subject to a number of risks and
uncertainties. Actual results may differ materially from results
contemplated by the forward-looking statements. When relying on
forward-looking statements to make decisions, investors and others
should carefully consider the foregoing factors and other
uncertainties and should not place undue reliance on such
forward-looking statements. The Company does not undertake to
update any forward looking statements, oral or written, made by
itself or on its behalf.
The TSX Venture does not accept responsibility for the adequacy
or accuracy of this release.
Contacts: Mansfield Minerals Inc. Nancy Goertzen (604) 681-4462
(604) 681-0180 (FAX) Email: info@mansfieldminerals.com Website:
www.mansfieldminerals.com
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