Lithium and Tantalum Infill Drill Programme Update

RNS Number : 0364T
AfriTin Mining Ltd
20 July 2022
 

20 July 2022

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 (MAR) as in force in the United Kingdom pursuant to the European Union (Withdrawal) Act 2018. Upon the publication of this announcement via Regulatory Information Service (RIS), this inside information is now considered to be in the public domain.

AfriTin Mining Limited

("AfriTin" or the "Company")

Lithium and Tantalum Infill Drill Programme Update

AfriTin Mining Limited (AIM: ATM), an African technology metals mining company with a portfolio of mining and exploration assets in Namibia, announces the second batch of results for the lithium and tantalum drilling programme at the Company's flagship operation, the Uis Mine ("Uis").

The infill drilling programme is currently being executed over the V1/V2 pegmatite at Uis, with the aim of increasing the confidence in the existing lithium and tantalum Mineral Resource estimate over the deposit. The programme consists of approximately 50 holes. To date, 32 drill holes have been completed and are in the process of being analysed. Results for the first four holes were announced on 8 June 2022 - this announcement reports the assay results for the next five holes (Figure 1).

Highlights:

 

· Significant pegmatite intersections include:

22 m at 0.153% Sn, 104 ppm Ta, and 1.18% Li2O within drill hole V1V2055, from 23 m to 45 m;

69 m at 0.178% Sn, 98 ppm Ta and 0.45 Li2O for hole V1V2061, from 98 m to 167 m;

52 m at 0.173% Sn, 86 ppm Ta, and 0.58% Li2O for drill hole V1V2064, from 135 m to 187m.

· Pegmatite was intersected in all holes drilled, as predicted by the geological model.

Anthony Viljoen (CEO) commented: "These results confirm our understanding of the mineralisation at Uis, in particular the polymetallic nature of the V1/V2 pegmatite, which continues to show consistent tin, tantalum and lithium mineralisation. We are confident, following continued positive results, that we are on track to reaching our objective of upgrading our resource for Lithium and Tantalum for the V1/V2 pegmatite.  This phase of our drill programme contains notable intersections of lithium and tantalum mineralisation, which supports our strategic plan to implement additional processing plant circuits by Q4 of this year (refer to announcement dated 6 April 2022).

We look forward to updating our mineral resource estimate and adding processing capabilities for multiple product revenue streams."

Exploration Programme

The infill drilling programme aims to upgrade the existing resource for lithium and tantalum in the measured and indicated categories for the 2019 JORC (2012) compliant MRE for Uis in 2019 (see announcement dated 16 September 2019). The pegmatite intersections of the reported holes complement the current geological model, confirming AfriTin's confidence in its geological model. The drill holes intersected the pegmatite where the V1 and V2 bodies have bifurcated into individual pegmatites. The dip angle of the pegmatites vary from 24 degrees to 48 degrees. All of the reported drill holes are vertically orientated with reported intersections representing apparent thickness. Some schistose xenoliths were intersected in the drill holes and the reported results provide actual pegmatite intersections excluding the schist interval(s).

Table 1 : Exploration results of holes V1V2055, V1V2061, V1V2064, V1V2068 and V1V2073 indicating the full pegmatite intersection and pegmatite grades excluding xenolith and schist intervals.

Hole ID

Pegmatite

Pegmatite Intersection, Including Waste, From/To (m)

Pegmatite Intersection, Excluding Waste, From/To (m)

Intersection Length (m)

Grade



Sn (%)

Ta (ppm)

Li2O (%)

V1V2055

V2

1 - 45

1.20 - 8.47

7.27

0.096

296

0.43



22.96 - 45.39

22.43

0.153

104

1.18


V1

63 - 134

63.40 - 72.11

8.71

0.149

82

0.72


83.84 - 96.56

12.72

0.142

82

0.67


100.57 - 102.40

1.83

0.210

44

0.57


106.56 - 112.49

5.93

0.213

91

0.70


115.36 - 133.87

18.49

0.132

91

0.53

V1V2061

V2

55 - 88

54.52 - 60.23

5.71

0.068

304

0.39



66.97 - 88.13

21.16

0.186

165

0.52


V1

98 - 175

98.09 - 167.18

69.09

0.178

98

0.44


169.80 - 174.88

5.08

0.144

215

0.41

V1V2064

V2

112 - 132

112.00 - 113.00

1.00

0.508

314

0.21



115.88 - 119.44

3.56

0.116

479

0.44



121.74 - 124.53

2.79

0.165

209

0.65



127.93 - 131.83

3.90

0.315

234

0.47


V1

135 - 187

134.84 - 187.09

52.25

0.173

86

0.58

V1V2068

V2

108 - 112

108.29 - 112.09

3.80

0.213

395

0.33


V1

120 - 160

120.11 - 159.56

39.45

0.187

122

0.36

V1V2073

V1

92 - 136

95.25 - 124.69

29.44

0.102

118

0.57



127.08 - 136.23

9.15

0.119

91

0.51

 

The reported holes comprise drill core from diamond drilling; each drill hole was geologically and geotechnically logged before being cut in half and sampled. The samples were taken at approximately one-meter intervals. Sample analysis was undertaken by UIS Analytical Services, a certified independent laboratory, ICP-OES being utilised for major and minor elements and ICP-MS being utilised for the reporting of trace elements.  

Figure 1: Map displaying the localities of the reported holes as well as the drill holes of the previous (2019) exploration programme and the holes from this programme previously reported. The line A-A' indicates the area represented by the cross section.

 

 

Figure 2: Section line A-A' displaying a projection of the holes drilled in 2019 and hole V1V2064 for which the results are reported in this release

Competent Person Statement

The technical data in this announcement has been reviewed by Michael Cronwright (M.Sc., FGSSA, Pr. Sci Nat. (Geological Sciences)). He is a full-time employee of CSA Global, and provides geological consulting services to AfriTin. Mr Cronwright is a Principal Consultant - Battery Metals co-ordinator for CSA Global and has 22 years of industry related exploration and mineral project development experience and is a Competent Person for the reporting of Exploration results. He has reviewed both the technical disclosures in this release as well as the quality assurance protocols and results for the assay campaign. Mr Cronwright consents to the release of the information contained in the announcement and is satisfied that the results of the QAQC on the assay results released to date are sufficient to support the planned estimation of Mineral Resources.

Glossary of abbreviations

ICP-MS

Inductively Coupled Plasma-Mass Spectrometry

ICP-OES

Inductively Coupled Plasma-Optical Emission Spectrometry

Li

Symbol for Lithium

Li → Li 2 O

Metal to metal-oxide conversion factor of 2.153

Li 2 O

Lithium oxide

JORC

The Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves

MRE

Mineral Resource Estimate

PPM

Parts Per Million

QA/QC

Quality Assurance / Quality Control

Sn

Symbol for Tin

Ta

Symbol for Tantalum

V1/V2

Name of the targeted pegmatite unit, V1/V2 denotes where the V1 and V2 pegmatites have merged at depth.

Glossary of Technical Terms

Apparent Thickness

The relationship between apparent width and true thickness is: apparent width = x.y * true thickness

Dip Angle

The angle of inclination measured downward from horizontal

Geological Model

The interpretation of mineralisation and geology that controls mineralisation.  This is usually generated in a three-dimensional computer environment

Mineral Resources

Mineral Resources are sub-divided, in order of increasing geological confidence, into Inferred, Indicated and Measured categories. An Inferred Mineral Resource has a lower level of confidence than that applied to an Indicated Mineral Resource. An Indicated Mineral Resource has a higher level of confidence than an Inferred Mineral Resource but has a lower level of confidence than a Measured Mineral Resource

Pegmatite

An igneous rock typically of granitic composition, which is distinguished from other igneous rocks by the extremely coarse size of its crystals, or by an abundance of crystals with skeletal, graphic, or other strongly directional growth habits, or by a prominent spatial zonation of mineral assemblages

Xenolith

A foreign rock fragment (e.g. schist) within an intrusive body (e.g. pegmatite) that is unrelated to the igneous intrusion.

 

 

 

 

AfriTin Mining Limited

+27 (11) 268 6555

Anthony Viljoen, CEO


Nominated Adviser 

+44 (0) 207 220 1666

WH Ireland Limited

Katy Mitchell


Corporate Advisor and Joint Broker


H&P Advisory Limited

Andrew Chubb

Jay Ashfield

Nilesh Patel

+44 (0) 20 7907 8500

Stifel Nicolaus Europe Limited

Ashton Clanfield

Callum Stewart 

+44 (0) 20 7710 7600

Tavistock Financial PR (United Kingdom)

+44 (0) 207 920 3150

Emily Moss

Catherine Drummond

 


About AfriTin Mining Limited

Notes to Editors

AfriTin Mining Limited is a London-listed technology metals mining company with a vision to create a portfolio of globally significant, conflict-free, producing and exploration assets. The Company's flagship asset is the Uis Tin Mine in Namibia, formerly the world's largest hard-rock open cast tin mine.

AfriTin is managed by an experienced board of directors and management team with a current strategy to ramp-up production at the Uis Mine in Namibia to more than 10,000 tonnes of tin concentrate and 350,000 tonnes of lithium concentrate in a Phase 2 expansion, having reached Phase 1 commercial production in 2020. The Company strives to capitalise on the solid supply/demand fundamentals of tin and lithium by developing a critical mass of resource inventory, achieving production in the near term and further scaling production by consolidating assets in Africa.

 

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