REG - East Star Resources - Drilling Update: Verkhuba Copper Deposit

East Star ResourcesAnnouncement

20/09/2023 07:00

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RNS Number : 9861M  East Star Resources PLC  20 September 2023

THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION FOR THE PURPOSES OF ARTICLE 7 OF
REGULATION 2014/596/EU WHICH IS PART OF DOMESTIC UK LAW PURSUANT TO THE MARKET
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20 September 2023

East Star Resources Plc

("East Star" or the "Company")

Drilling Update: Verkhuba Copper Deposit, Rudny Altai

 

Core inspection indicative of strongly mineralised system

 

East Star Resources Plc (LSE:EST), which is defining mineral resources in
Kazakhstan for the energy revolution, is pleased to provide an update
following visual inspection and logging of core from drilling at the Verkhuba
Copper-Zinc Deposit within the Company's 803.7 km² licence package in the
Rudny Altai volcanogenic massive sulphide ("VMS") belt, Kazakhstan.

 

Highlights:

 

·    Visual inspection combined with X-ray fluorescence ("XRF") readings
on core confirm the presence of copper and zinc mineralisation in the first 4
holes at Verkhuba

·    Copper mineralisation identified in all holes with multiple massive
sulphide intervals recognised

·    Drilling has identified large thicknesses of disseminated copper
mineralisation, not previously acknowledged or assayed in historical drilling

·    Core is currently being prepared for multi-element assay including
copper, zinc and precious metals (gold/silver)

 

Alex Walker, East Star CEO, commented:

 

"We are encouraged by the visual core inspection from within the Verkhuba
Copper Deposit, with much of the drilling correlating with anticipated
mineralised zones from the historical data. Broad zones of disseminated
sulphides with consistent copper and zinc readings by XRF, along with zones of
chalcopyrite-rich massive sulphides, leaves very little doubt we are in a
strongly mineralised system. Core is currently being prepared for assay which
will provide the data we need to model these results against the historical
drill holes which will hopefully form the basis of a JORC compliant
resource.''

Figure 1 Example chalcopyrite (copper sulphide) mineralisation

Figure 2 Sphalerite veinlet (Zinc sulphide - dark area) with chalcopyrite
margin in massive sulphide interval

Representative core photographs from VU_23_DD_002 where:

DIS = Disseminated sulphides

MIX = Disseminated sulphides and veins

MAS = Massive sulphides

 

Figure 3 VU_23_DD_002_WET_172.6-176.4

Figure 4 VU_23_DD_002_WET_176.4-179.6

Figure 5 VU_23_DD_002_WET_189.3-193.0

 

Mineralised intersections above 0.5% chalcopyrite include:

·    VU_23_DD_001 contains 24.7m of disseminated sulphide mineralisation
including two intervals of 4.6m and 12.7m from 37m and 56.4m respectively with
estimated content of chalcopyrite ranging from 1.0% to 10.0%

·    VU_23_DD_002 contains 14.2m of disseminated sulphide mineralisation
with five intervals varying in thickness from 1.3m to 6.6m with content of
chalcopyrite and sphalerite estimated from 1.50% to 15.0% each within a depth
interval of 172.2m to 194.4m

·    VU_23_DD_003 contains 56.3m of visible disseminated sulphide
mineralisation starting from 74.7m with content of chalcopyrite estimated from
0.6% to 9.0%

·    VU_23_DD_004 contains two intervals of 6.4m and 10.6m of disseminated
sulphide mineralisation starting from 55.9m and 86.3m respectively where
content of chalcopyrite is estimated above 0.5%

Visual estimates of mineral abundance should never be considered a proxy or
substitute for laboratory analyses where concentrations or grades are the
factor of principal economic interest. Laboratory assays are required to
determine the presence and grade of any contained mineralisation within the
reported visual intersections of copper sulphides. Portable XRF is used as an
aid in the determination of mineral type and abundance during the geological
logging process.

 

For further information visit the Company's website at www.eaststarplc.com
(http://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)

Duncan Vasey / Lucy Williams

Tel: +44 (0) 20 7469 0930

 

Vigo Consulting (Investor Relations)

Ben Simons / Peter Jacob

Tel: +44 (0)20 7390 0234

 

About East Star Resources Plc

 

East Star Resources is focused on the discovery and development of strategic
minerals required for the energy revolution. With an initial nine licences
covering 1,321.5 km² in three mineral rich districts of Kazakhstan, 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 joint ventures with the state mining
company.

 

Follow us on social media:

LinkedIn: https://www.linkedin.com/company/east-star-resources/
(https://www.linkedin.com/company/east-star-resources/)

 

Twitter: https://twitter.com/EastStar_PLC (https://twitter.com/EastStar_PLC)

 

Subscribe to our email alert service to be notified whenever East Star
releases news:

www.eaststarplc.com/newsalerts (http://www.eaststarplc.com/newsalerts)

 

The person who arranged for the release of this announcement was Alex Walker,
CEO of the Company.

 

Competent Persons Statement

The information in this release that relates to Exploration Results has been
reviewed by Mr Mikhail Tsypukov. Mr Tsypukov is a Fellow of the Institute of
Materials, Minerals and Mining (FIMMM, Reg. No 459707). He has a PhD in
geology from A.P. Vinogradov Institute of Geochemistry Siberian Branch Russian
Academy of Sciences with over 30 years of experience of gold and base metal
exploration in Russia, Kazakhstan, Mongolia, Rwanda and Islamic Republic of
Mauritania.

Mr Tsypukov has sufficient experience that is relevant to the style of
mineralisation and type of deposit under consideration and the activity being
undertaken to qualify as a Competent Person as defined in 2012 Edition of the
"Australasian Code for Reporting of Exploration targets, Exploration Results,
Mineral Resources and Ore Reserves", also known as the JORC code. The JORC
code is a national reporting organisation that is aligned with CRIRSCO. Mr
Tsypukov consents to the inclusion in the announcement of the matters based on
his information in the form and context in which they appear.

 

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