Regency Mines PLC
15 September 2005
Regency Mines plc (the 'Company')
Exploration Update
Dated: 15 September 2005
BUNDARRA PROJECT
Soil sampling and geological mapping has been completed over three prospects
within the Bundarra project area; Isens, Flora Range and Mt Flora.
At Isens, soil sampling was completed on 200m x 80m centres in open terrain.
Results were significant; peaking at 3.1% copper with 0.9g/t gold and 10.8g/t
silver. Other results include 0.5% copper with 0.36g/t gold and 2.5g/t silver.
Copper and gold anomalism has been outlined over approximately 1500m of strike
and remains open to the west. At surface, mineralisation is up to 30m wide and
hosted by a brecciated, iron-stained quartz-feldspar porphyry. Primary sulphides
are chalcopyrite and pyrite, with secondary copper carbonates of malachite and
azurite. Drilling of three traverses of angled RC holes is required to test
mineralisation at depth.
At Flora Range, soil sampling was completed over 4km of strike on 200m x 80m
centres. Copper and gold anomalism was outlined over the entire 4km of strike
and remains open to the southwest. Maximum results were 2400ppm copper with
28ppb gold and 2.7g/t silver. Mineralisation is hosted by discontinuous lodes of
brecciated granite intruded by veins of iron and malachite stained
quartz-feldspar porphyry. Ten sets of historic workings were located within the
Flora Range area, each commonly returning +2% copper from historic rockchip
sampling by previous explorers. Only one working has been tested by a single RC
hole that, significantly, returned 3m @ 7.2g/t gold from 36m. A ground
geophysical survey (IP) and RC drilling is required to test the peak geochemical
response.
At Mt Flora, the immediate area of historic workings has been subject to much
surface exploration in the past and, consequently, soil sampling and mapping was
focused on potential northern and southern strike extensions to mineralisation.
Sampling returned a peak of 254ppm copper and 7ppb gold. Results confirmed
mineralisation continues northwest of the historic workings for some 2500m, and
also southeast for a further 1800m. However, mineralisation is of a more subtle
nature than that encountered at Isens and Flora Range. This suggests a large,
low-grade disseminated style of mineralisation for Mt Flora. Step out RC or
Diamond drilling of the Mt Flora mineralisation is required.
Airborne Geophysical Data
During August, magnetic and radiometric data from a detailed airborne survey
were processed and imaged. Total count (K, Th, U) radiometric data illustrates
the strong alteration of the Permian sedimentary rocks in contact with the
margin of the Bundarra intrusion, and highlights the potential for economic
accumulations of uranium. Subsequent imaging of the airborne uranium data
revealed several discrete anomalies within the project area. These are scheduled
for ground follow-up during the current field season.
The directors consider the results to date of the sampling and mapping program
at Bundarra to be encouraging and to justify moving to the next stage of
exploration. The results in the Isens area mean that this will be a focus of
further exploration effort, including drilling. The Flora Range results will
also be followed up by further exploration, including drilling. Continued
mapping and sampling of areas around the edge of the Bundarra intrusion will be
undertaken to test hitherto unexplored areas. The objective remains to identify
and delineate high grade copper zones as well as potential low grade bulk
tonnage targets. Several areas have uranium anomalies identified from the
radiometrics and will be tested by field work.
Enquiries:
Andrew Bell 07766 474849 Regency Mines plc Chairman
John Simpson 020 ARM Corporate Finance Ltd Nominated Adviser
7512 0191
Ron Marshman / John Greenhalgh 020 City of London PR Limited Public Relations
7628 5518
This information is provided by RNS
The company news service from the London Stock Exchange
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