TIDMEST
RNS Number : 6811M
East Star Resources PLC
25 May 2022
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25 May 2022
East Star Resources Plc
("East Star" or the "Company")
Commencement of EM Survey on Rudny Altai VMS Licences
East Star Resources Plc (LSE:EST), the Kazakhstan-focused gold,
rare earths and copper explorer, is pleased to announce the
commencement of a helicopter electromagnetic ("HEM") survey on the
Company's Rudny Altai volcanogenic massive sulphide ("VMS")
licences in Eastern Kazakhstan. The survey is expected to take
40-50 days, with data processing and technical review and targeting
to follow. The results from the survey are expected to provide East
Star with some immediately drill-ready targets and/or provide
targets requiring further field and geophysical work prior to
drilling.
Highlights:
-- 3,647-line kilometres are being flown on 200m line spacing
with closer spaced lines expected on areas of high
prospectivity
-- East Star's licences contain more than 20 historical mineral
occurrences and mines, which will greatly assist with target
prioritisation after the HEM survey
-- Xcalibur Multiphysics ("Xcalibur"), a world leader in
airborne EM data acquisition and analysis, is conducting the
survey, ensuring quality of data and execution. Xcalibur conducted
the HEM programme which led to an extension of Chalice Mining's,
Julimar PGE-Ni-Cu-Co discovery in Western Australia
Alex Walker, East Star CEO, commented:
"H EM surveying is highly effective in direct detection of
conductive sulphide deposits in which large conductivity contrasts
exist between the orebodies and host rocks. It is the same style
survey that was used to discover Havieron, the Greatland Gold and
Newcrest gold-copper discovery in Western Australia. To the best of
our knowledge East Star is the first company ever to use this
geophysical technology on the Rudny Altai VMS region and so we're
very excited to begin work on this prolific but under explored
area.
The infrastructure on the licences includes rail, road and power
and the area boasts two potentially suitable mills - both carrying
spare capacity - making the economic threshold to develop any
discovery extremely low as well as strategically important for the
two regional producers being KAZ Minerals and Kazzinc (owned by
Glencore and Tau-Ken Samruk). East Star is working with the same
Kazakh service providers used by Kazzinc for its regional
geophysics and the data, when combined with historic data which are
still undergoing analysis, will be provided to global VMS experts
for analysis to assist with drill targeting."
Rudny Altai Region
Licences 847-EL and 914-EL (the "Licences") are located in the
Rudny Altai region of Eastern Kazakhstan. Administratively, the
Licences are within the Shemonaikha district and are
extraordinarily well connected to infrastructure. The regional
centre of Ust-Kamenogorsk is located 45km, and its international
airport is located 35km, southeast of the Licences. The railway
connecting Ridder and Tomsk cities crosses the Licences from the
south to the northwest with two railway stations located on the
territory of the Licences. There is a network of dirt roads within
the Licences that are suitable for driving all year round. A
hard-surfaced road from Ust-Kamenogorsk to Shemonaikha crosses the
western part of the Licences.
The area is characterised by moderately hilly terrain with
elevations ranging between 270m and 630m above the mean sea
level.
The Rudny Altai region is one of the largest VMS provinces in
the world, part of Central Asian Orogenic belt. According to a
mineral map, published in the 1960s, the Licences contain more than
20 mineral occurrences (including Cu, Pb, Zn, Au, W) and a
significant amount of soil and stream sediment anomalies.
HEM Survey
High electrical conductivity can indicate rock layers containing
mineralisation. It is the principal technology used in the Paterson
province of Western Australia which was used to discover Rio
Tinto's 'Winu' deposit and Greatland Gold/Newcrest's 'Havieron'
deposit. VMS deposits produce significant electromagnetic,
gravimetric, and magnetic responses and thus provide great
potential for detecting of ore bodies using airborne and ground
geophysics (Ford et al., 2007). For VMS, deposits contrasting in
magnetic, electromagnetic, and gravitational properties in
comparison with host rocks, become direct exploration vectors
The targets for the helicopter time-domain electromagnetic
("HTEM") survey are Volcanogenic Massive Sulphides (VMS ores),
represented in this region by occurrences of lead-zinc,
copper-zinc, and copper-iron ore. Geologically, the area is
composed of volcanic, volcanic-sedimentary, and sedimentary
deposits of the Devonian. Extrusive-subvolcanic formations are
generally represented by rocks of felsic, medium and mafic
composition, with the predominance of felsic rock (albitophyres,
potassium feldspar porphyry, rhyodacites, less often andesite and
andesite-basalt porphyrites). Intrusive formations include mainly
granites.
Aurora and Xcalibur
Xcalibur is the world's leading company in Multiphysics. It owns
20 specialised aircraft and 85 geophysical systems and has executed
more than 1,000 projects globally. Throughout its over 40 years of
experience, Xcalibur has established more than 50 million linear
kilometers of collected data.
Aurora Minerals Group, a leading service provider in Kazakhstan,
are leading the logistics and execution of the HEM programme.
Aurora has conducted exploration programmes for Kazzinc, Rio Tinto,
Fortescue Metals Group, Tau-Ken Samruk, and KAZ Minerals.
The contractor is using an AIRBUS AS350 B3e helicopter where the
flight altitude on a line-by-line basis will not exceed 75m on
average.
For further information visit the Company's website at
www.eaststarplc.com , or contact:
East Star Resources Plc
Alex Walker, Chief Executive Officer
Tel: +44 (0)20 7390 0234 (via Vigo Consulting)
Peterhouse Capital Limited (Corporate Broker and Placing
Agent)
Duncan Vasey / Lucy Williams
Tel: +44 (0) 20 7469 0930
Vigo Consulting (Investor Relations)
Ben Simons / Oliver Clark
Tel: +44 (0)20 7390 0234
About East Star Resources Plc
East Star Resources is focused on the discovery and development
of gold, copper, and rare earth deposits in Kazakhstan. With an
initial five licences covering 1,442 km(2) in three mineral rich
districts, East Star is undertaking an intensive exploration
programme, applying modern geophysics to discover minerals in
levels that were not previously explored. The Company also intends
to further expand its licence portfolio in Kazakhstan. East Star's
management are based permanently on the ground, supported by local
expertise, and a joint venture with the state mining company.
Follow us on social media:
LinkedIn:
https://www.linkedin.com/company/east-star-resources/
Twitter: https://twitter.com/EastStar_PLC
The person who arranged for the release of this announcement was
Alex Walker, CEO of the Company.
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