REG - Aterian PLC - Operational Update: Tata Project, Morocco

AterianAnnouncement

16/10/2023 07:00

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RNS Number : 1473Q  Aterian PLC  16 October 2023

16 October 2023

 

Operational Update:

Significant Sedimentary-Hosted Copper Extensions,

Tata Project, Morocco

 

Aterian Plc

("Aterian" or the "Company")

 

Aterian Plc (LSE: ATN), the critical and strategic metal-focused exploration
and development company, is pleased to announce the results, including 7.02 %
copper ("Cu"), from additional fieldwork conducted on the Company's Tata
Project (the "Project"). The Project, covering 154.4 km(2), is located within
the western Anti-Atlas Mountains of the Kingdom of Morocco ("Morocco") and
lies 30 km south of the Company's Azrar copper-silver project. The Tata
Project is one of 17 copper, silver and base metal projects owned by Aterian,
covering 897 km(2) in Morocco within established current and historic
mining districts.

Highlights:

·    Project located in central Morocco within the western Anti-Atlas, a
region considered highly prospective for sedimentary-hosted copper
mineralisation

·      Latest sampling reports up to 7.02 % Cu.

·      Copper mineralisation is identified within two stratigraphic
horizons and is visible on surface.

·      Combined strike length with visible copper mineralisation extends
over 18 km.

·      A data review indicates that a strike length c.26 km within the
prospective Adoudou Formation remains untested, with at least a further 9 km
within the lower Cambrian Tata Group sediments.

·      The project lies 50 km southeast of the Tizert Copper-Silver
development project, with a similar geological setting

·      30 km south of the Company's Azrar copper project.

·      Project located close to good infrastructure.

 

Charles Bray, Chairman of Aterian, commented:

"These new results from the Tata Project are extremely encouraging, with a
substantial target area remaining unexplored. The sedimentary-hosted copper
potential on this project is highly significant and demonstrates the scale
opportunity in Morocco. We have created a strong asset portfolio in Morocco
and are seeing positive results from our fieldwork on several projects. At
Aterian, we firmly believe that projects like Tata have the potential to
deliver tremendous value to the Company, its shareholders and other
stakeholders. They also allow us to potentially supply the metals and minerals
critical for a switch to the electrification of society. We will continue
exploring and evaluating the Tata Project and other key assets within our
portfolio. I look forward to updating shareholders on the Tata Project and the
other exploration programmes in due course. We have created a strong asset
portfolio in Morocco and are seeing positive results from our fieldwork on
several projects."

Project Summary:

The Tata Project covers 154.4 km(2) and comprises ten license blocks, with
access to the Project via asphalt roads and a network of smaller tracks. The
Company holds a 100 % interest in the Project, located in the
western Anti-Atlas Mountains, a region considered highly prospective for
sedimentary-hosted copper mineralisation. Tata lies 30 km south of the
Company's Azrar copper-silver project, approximately 465 km south of the
capital Rabat, 165 km southeast of the port city of Agadir, and 50 km
southeast of the Tizert copper-silver project (estimated resources of 57 Mt
grading 1.03 % Cu and 23 g/t Ag), currently under development by Managem
Group. Late Ediacaran to early Cambrian-aged Adoudounian sediments occur
within the Project along the margins of the Paleoproterozoic Tagragra de Tata
Inlier. These sedimentary units are known to host copper mineralisation and
represent the primary copper target on the Project.

 

 

Earlier prospecting by the Company along the northern part of the Tata
Project identified visible copper mineralisation hosted within late Ediacaran
to early Cambrian age Adoudounian sediments and also higher in the
stratigraphy within the lower limestone and dolomitic units of the
younger Tata Group. The sediments occur along the flanks of the
Paleoproterozoic Tagragra de Tata Inlier, with the previous work traversing
along a strike length of c. 8 km, where copper mineralisation was observed in
outcrop. Previously reported highlights from the earlier phase of work are:

 

·    2.05 % Cu was reported from a dolomite float sample adjacent to the
contact between Adoudounian sediments and the Proterozoic inlier.

·    Results include 0.95 % Cu from a 4 m thick dolomitic sequence and
0.87% Cu from an 8 m thick sequence of dolomite and marl.

 

Aterian Exploration Results

The more recent fieldwork, with results reported today, concentrated on
evaluating the sedimentary-hosted copper potential along a further 8.5 km of
strike within the sedimentary package occurring on the northern margin of the
Tagragra de Tata Inlier and an additional 2.0 km along the southern margin of
the same inlier (Blocks A, B, C and D on the map below).

 

 

A total of 34 outcrop rock chip samples* were collected during this reported
sampling campaign. Of these samples, 14 (41 % of this batch) were > 0.3 %
Cu, with three samples returning values greater than 1 % Cu.

 

The maximum sample grade reported was 7.02 % Cu from bedding parallel,
disseminated mineralisation occurring in siltstones within the lower Adoudou
Formation (Block A). 250 m along strike to the east of this sample, an outcrop
of fractured dolomite with mm-scale quartz-carbonate veinlets hosting
disseminated copper oxides reported 1.62 % Cu.

 

The area prospected in Block A covers a strike length of 1.5 km; in Block B,
the distance covered is c. 7.0 km, with Block B targeting copper
mineralisation hosted with the lower Cambrian Tata Group sediments. Copper
values returned from Block B range from 0.08 % Cu to 1.09 % Cu, with an
average grade from 17 outcrop samples of 0.37 % Cu. The sediments north of the
inlier dip 25(o) - 45(o) NNE to NE.

 

Blocks C and D cover a combined distance of 2.0 km and targeted Tata Group
sediments, with the highest grade of 0.45 % Cu reported from 7 samples
collected. Locally, these units appear more folded than to the north of the
inlier, with the overall dip direction to the south.

 

Based on the field observations, with copper mineralisation occurring in two
separate horizons within the overall sedimentary package, there remain c.26 km
of strike length within the Adoudou Formation to be prospected, with at least
9.5 km of lower Cambrian Tata Group to be explored further (green dashed line
on the map above). The work completed to date has identified copper occurring
along 16 km of strike, hosted in both the Adoudou Formation and Tata Group to
the north of the inlier and 2.5 km of strike within the Tata Group to the
south of the inlier (red dashed line on the map above).

 

*A rock chip or grab sample cannot be taken as a representation of the overage
grade average and potential deposit size. A float sample is collected from
loose pieces of rock not connected to an outcrop.

 

Sampling Methodology and Analysis

ALS Limited, an accredited laboratory in Sevilla, Spain, undertook all sample
preparation and analysis for these reported samples. Given the early-stage
nature of these programmes, no QA/QC samples were included. Rock samples were
crushed to 70 % passing -2 mm. The less than 2 mm fraction was pulverised,
with 85 % of the sample passing <75 microns. All samples were analysed
using four-acid digestion for a multi-element suite of 34 metals by
Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES). In
addition, all samples were analysed for their gold content by a 50g Fire Assay
method with an atomic absorption finish.

 

Work Plan for the Tata Project

Future work programmes at the Tata Project will include further geological
mapping to explore the copper potential in the untested areas of the
sedimentary package, supported by detailed mapping and channel samples at
selected locations perpendicular to the bedding.

 

Illustrations
The following figures have been prepared by Aterian and relate to the
disclosures in this announcement.

 

 

Qualified Person

The technical disclosure in this regulatory announcement has been approved by
Simon Rollason, Chief Executive Officer of Aterian Plc. A graduate of the
University of the Witwatersrand in Geology (Hons). He is a Member of the
Institute of Materials, Minerals and Mining, with over 30 years of experience
in mineral exploration and mining.

 

- ENDS -

 

This announcement contains information which, prior to its disclosure, was
inside information as stipulated under Regulation 11 of the Market Abuse
(Amendment) (EU Exit) Regulations 2019/310 (as amended).

 

For further information, please visit the Company's website:
www.aterianplc.com (http://www.aterianplc.com) or contact:

 

Aterian Plc:

Charles Bray, Executive Chairman - charles.bray@aterianplc.com
(mailto:charles.bray@aterianplc.com)

Simon Rollason, Director - simon.rollason@aterianplc.com
(mailto:simon.rollason@aterianplc.com)

 

Financial Adviser and Broker:

Novum Securities Limited

David Coffman / George Duxberry

Tel: +44 (0)207 399 9400

 

Financial PR:

Bald Voodoo - ben@baldvoodoo.com

Ben Kilbey

Tel: +44 (0)7811 209 344

Notes to Editors:

About Aterian plc

www.aterianplc.com (http://www.aterianplc.com)

 

Aterian plc is an LSE-listed exploration and development company with a
diversified African portfolio of critical and strategic metals/minerals
projects.

Aterian plc is actively seeking to acquire and develop new critical and
strategic metal resources to strengthen its existing asset base whilst
supporting ethical and sustainable supply chains as the world transitions to a
sustainable, renewable future. The supply of these metals is vital for the
development of the renewable energy, automotive and electronic manufacturing
sectors that are playing an increasing role in reducing carbon emissions and
meeting climate ambitions globally.

 

The Company recently entered into a joint venture agreement with Rio Tinto
Mining and Exploration Limited for Rio Tinto to earn into the HCK project in
southern Rwanda and holds two further partnerships in Rwanda exploring and
developing lithium-tantalum-niobium-tin mining operations. Aterian currently
holds a portfolio of 17 copper-silver and base metal projects with a project
area of 897 km2 in the Kingdom of Morocco.

 

The Company's strategy is to seek new exploration and production opportunities
across the African continent and to develop new sources of strategic and
critical mineral assets for exploration, development, and trading.

Glossary of Terms

The following is a glossary of technical terms:

 

 "Ag"                              means  Silver
 "Au"                              means  Gold
 "Breccia"                         means  a rock consisting of angular fragments of stones cemented by finer materials
 "Cu"                              means  Copper
 "Ferruginous"                     means  containing iron oxides
 "Float sample"                    means  loose pieces of rock that are not connected to an outcrop
 "g/t"                             means  grams per tonne
 "Hercynian or Variscan Orogeny"   means  an orogenic belt that evolved during the Devonian and Carboniferous periods,
                                          from about 419 to 299 million years ago
 "km"                              means  Kilometres
 "m"                               means  Metres
 "mm"                              means  Millimetres
 "Mt"                              means  millions of tonnes
 "NI 43-01"                        means  National Instrument 43-101 Standards of Disclosure of Mineral Projects of the
                                          Canadian Securities Administrators
 "Outcrop"                         means  a rock formation that is in situ and visible on the surface
 "Qualified Person"                means  a person that has the education, skills and professional credentials to act as
                                          a qualified person under NI 43-101
 "Sb"                              means  Antimony is used in alloys and in lead-acid storage batteries. The U.S.
                                          Government has considered antimony a critical mineral mainly because of its
                                          use in military applications.
 "Stratiform"                      means  parallel to the bedding planes of the surrounding rock
 "Vein"                            means  a distinct sheetlike body of crystallised minerals within a rock
 "Zn"                              means  Zinc

 

 

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