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Pin to quick picksTertiary Minerals Regulatory News (TYM)

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Drill Start & Exploration Update

23 Sep 2024 07:00

RNS Number : 1160F
Tertiary Minerals PLC
23 September 2024
 

 

 

23 September 2024

 

Tertiary Minerals plc ("Tertiary" or the "Company")

 

Drill Start & Exploration Update

The Company is pleased to provide the following update on its exploration activities in Zambia and Nevada.

 

Mushima North Copper Project (Zambia)

 

· Drilling contract signed for up to 2,500m of air core drilling to test the A1 copper-in-soil geochemical anomaly.

· Access roads and initial drill pad preparation complete.

· Geophysical programme planned to refine drill targets at Target C1.

· Drilling expected to start today.

 

Konkola West Copper Project (Zambia, Agreement with KoBold Metals, "KoBold")

 

· Drilling of hole KWDD001 is continuing.

· Drilling is slow due to the depth of drilling, now in excess of 2,000m, and the technical challenges in drilling at such depths in new, undrilled areas.

· KoBold remains committed to continue the hole until it reaches its target horizon or the limits of the drill rig's capabilities.

 

Mukai Copper Project (Zambia, Agreement with First Quantum Minerals, "FQM")

 

· Two-phase, 12-hole diamond drilling programme planned to test copper-in-soil geochemical anomalies.

· FQM ready to drill this dry season, subject to local consents being obtained in time.

 

Jacks Copper Project (Zambia)

 

· Pitting programme underway at copper-in-soil geochemical anomalies B & C to prioritise drilling targets.

 

Brunton Pass Copper Project (Nevada)

 

· Four reverse circulation drill holes planned as test of coincident geochemical and geophysical anomalies.

· Drilling permit application submitted to US Bureau of Land Management.

· Drilling contractor selected and drilling provisionally scheduled to start in mid-late October.

Storuman Fluorspar Project (Sweden)

· Company to appeal the Swedish Mining Inspectorate's decision to refuse the Company's application for a mining concession.

 

 

Patrick Cheetham, Executive Chairman of Tertiary Minerals plc said:

"I am pleased to report that, following our recent successful fundraising, we now have drilling either in progress, imminent, or planned for the near future at four separate copper projects in Zambia and Nevada, USA, two of which are fully funded by our joint venture partners. We are particularly pleased to see FQM is committed to drilling at Mukai just a few weeks into the term of our agreement, subject to the necessary consents being obtained. This confirms our view of the prospectivity of the licence and is testament to the success of our exploration team in defining drill targets across our exploration portfolio."

 

Further Information:

Tertiary Minerals plc:

Patrick Cheetham, Executive Chairman

+44 (0) 1625 838 679

SP Angel Corporate Finance LLP

Nominated Adviser and Broker

Richard Morrison

+44 (0) 203 470 0470

Caroline Rowe 

Peterhouse Capital Limited

Joint Broker

Lucy Williams

+ 44 (0) 207 469 0930

Duncan Vasey

 

Market Abuse Regulation

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 as it forms part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018 ('MAR'). Upon the publication of this announcement via Regulatory Information Service ('RIS'), this inside information is now considered to be in the public domain.

 

Detailed Information

Mushima North Copper Project (Zambia)

The Mushima North Copper Project (Licence 27068-HQ-LEL) is held through Group company Copernicus Minerals Limited ("Copernicus") which is 90% owned by Tertiary Minerals (Zambia) Limited. Copernicus is in the process of taking a transfer of the licence through its agreement with licence holder, Mwashia Resources Limited ("Mwashia") (see announcement dated 26 February 2024).

The project lies 20km to the east of the Kalengwa copper mine which is now being reopened and is expected to produce 15,000 tonnes of copper annually. Kalengwa was one of the highest-grade copper deposits ever to be mined in Zambia. In the 1970s high-grade ore, in excess of 26% copper, was trucked for direct smelting at other mines in the Copperbelt.

Kalengwa was discovered by drill testing a coincident copper-in-soil anomaly and gravity anomaly and has characteristics of the Iron-Oxide-Copper-Gold ("IOCG") class of deposits.

In 2023, following a detailed targeting project, Tertiary carried out soil sampling over the A1, A2 and C1 targets, defining significant copper in soil anomalies (see announcements dated 5 October and 16 October 2023).

A contract has now been signed with Ox Drilling for up to 2,500m of aircore drilling which will primarily test the large A1 soil anomaly in a number of drill traverses. The A1 copper-in-soil anomaly covers an area of approximately 3km by 1.5km and is considered prospective for traditional Copperbelt style mineralisation.

Drill access and preliminary drill pad preparation have been completed. Drilling is expected to start today and run for approximately 2-3 weeks. Samples will be analysed in the field using a hand-held portable x-ray fluorescence ("pXRF") spectrometer with follow-up laboratory based check analyses.

A geophysical programme is also being planned to better define the gravity and magnetic anomalies defined by BHP at Target C1. BHP had planned two holes in 2011 to test these anomalies for IOCG style mineralisation but terminated all exploration in Zambia prior to drilling these holes.

Konkola West Copper Project (Zambia, Agreement with KoBold Metals, "KoBold")

The Konkola West Project comprises Exploration Licence 27067-HQ-LEL which covers 71.9 sq. km. and is located 18km northwest of Chingola in the Central African Copperbelt.

KoBold has the right to earn-in to the project and is funding exploration costs. Further details of the agreement with Mwashia and KoBold can be found in the Company's announcement dated 19 December 2023.

The Konkola West Project is targeting deep down-dip and along-strike extensions of the contiguous Lubambe-Mingomba-Konkola copper deposits to the west of the Licence and which extend north into the Musoshi mining complex in the Democratic Republic of the Congo. Together these deposits comprise a 15km-long continuous zone of mineralisation that contained a pre-mining endowment of over 775 million tonnes grading 2-3% copper. Konkola West is located approximately 2,000m southwest of the Mingomba deposit which lies between the Konkola and Lubambe mines and which is currently being evaluated by KoBold. KoBold has reported Mingomba to be one of the largest undeveloped copper deposits in the world.

KoBold is committed under the earn-in Agreement to drill at least two holes for a minimum of 2,000m of drilling. Drilling of the first hole, KWDD001, commenced in mid-April and is continuing. The drilling is slow due to the depth of drilling (now in excess of 2,000m) and the technical challenges in drilling at such depths in new, undrilled areas. KoBold remains committed to continuing the hole until it reaches its target horizon or the limits of the rig's capabilities.

 

Mukai Copper Project (Zambia, Agreement with First Quantum Minerals, "FQM")

The Mukai Copper Project (Licence 27066-HQ-LEL) covers 55.4 sq. km. and is located 125km west of Solwezi in the north-western Province of Zambia. It is currently being transferred to Copernicus. 

The licence is directly adjacent to FQM's Trident Project, which includes the recently opened 35 million tonne Enterprise Nickel Mine and the 894 million tonne Sentinel (Kalumbila) Copper Mine, located 8km south and 18km southeast of the licence, respectively. FQM has invested US$2.1 billion in the Sentinel Copper Mine where the plant has the capacity to treat 55 million tonnes of ore per annum.

The Mukai Project is also located just to the west of Arc Minerals' project area on the opposite flank of the Kabompo Dome, where Anglo American can earn a 70% interest from Arc Minerals through expenditure of US$88.5 million, including US$14.5 in cash payments.

Copernicus has signed a binding letter of agreement ("BLA") giving FQM the right to earn up to an 80% joint venture interest in the Mukai Project. Copernicus is carried at a 20% equity level all the way through to the start of mining. Full details of the BLA are given in the Company's announcement dated 7 August 2024.

In 2023, Tertiary carried out a detailed soil sampling programme which resulted in the identification of a substantial copper-in-soil anomaly on the Licence as described in the Company's announcement dated 12 September 2023.

FQM is ready to start drilling this dry season provided the necessary local consents can be obtained in time. A two-phase, 12-hole diamond drilling programme has been planned to test the copper-in-soil geochemical anomaly.

Jacks Copper Project (Zambia)

The Jacks Exploration Licence 27069-HQ-LEL covers 141.4 sq. km. and is located 85km south of Luanshya in the Central African Copperbelt. It is currently being transferred to Copernicus.

Copper mineralisation occurs within the southern limb of a large asymmetric synclinal fold structure. Historical drilling and four holes drilled by Tertiary suggests that copper occurs in two separate mineralised horizons which may be discrete mineralised zones but could, alternatively be one refolded horizon.

In October 2022, Tertiary carried out a programme of soil sampling to follow up unresolved copper-in-soil anomalies defined during wide spaced soil sampling by previous operators including Cyprus-Amax and FQM, as well as to guide follow-up drilling on the Jacks main prospect.

The results of analysis have delineated significant copper-in-soil anomalies on a number of separate sampling grids with peak values ranging from up to 525ppm copper, a result that compares favourably with soil anomalies in the vicinity of various ore zones at current and past producing mines on the Copperbelt.

A programme of pitting is now underway. Approximately 25 pits will be excavated over key soil sample locations to allow for decisions on follow-up drilling. Pit samples will be analysed by pXRF. The programme will take approximately 7 days to complete.

Brunton Pass Copper Project (Nevada, USA)

The Brunton Pass Project is located in central Nevada, 25km northeast of the high-sulphidation epithermal Paradise Peak gold deposit that produced over 1.6 million ounces of gold and over 44 million ounces of silver and at least 457 tons of mercury.

Mineralisation at Brunton Pass is closely associated with hornfels, skarn and high-sulphidation-style epithermal alteration.

Soil sampling has delineated several copper-in-soil anomalies and two large mercury and arsenic in soil anomalies. This was followed up with a drone magnetic and photogrammetric survey, as well as trenching and geophysical exploration.

Wide intervals of low-grade copper mineralisation and substantial widths of hydrothermally altered rock with approximately 1,000 times background content of the gold indicator elements, arsenic and mercury were returned from sampling. The IP and resistivity geophysical survey identified a chargeability anomaly, typical of sulphide mineralisation prospective for copper and/or gold, extending over 700m through all IP survey lines and spatially related to the previously identified copper-mercury-arsenic soil and trench anomalies.

Four reverse circulation drill holes have now been planned to test coincident geochemical and geophysical anomalies and a notice level submission has been made to the US Bureau of Land Management for drilling approval and bonding.

A drill contract has been negotiated and drilling is provisionally planned to take place in mid-late October.

Storuman Fluorspar Project (Sweden)

The Company's 100% owned Storuman Project is located in north central Sweden.

Further to the Company's announcement of 6 September 2024 the Board has decided to appeal the Mining Inspectorate's decision to refuse the Company's application for a mining concession.

Whilst taking the action now, to keep the Company's options open, the Board is determined that this legacy project should not be a burden on management time or Company funds.

 

Notes:

1. The information in this release has been compiled and reviewed by Mr. Patrick Cheetham (MIMMM, MAusIMM) who is a qualified person for the purposes of the AIM Note for Mining and Oil & Gas Companies. Mr. Cheetham is a Member of the Institute of Materials, Minerals & Mining and also a member of the Australasian Institute of Mining & Metallurgy.

 

2. The news release may contain certain statements and expressions of belief, expectation or opinion which are forward looking statements, and which relate, inter alia, to the Company's proposed strategy, plans and objectives or to the expectations or intentions of the Company's directors. Such forward-looking statements involve known and unknown risks, uncertainties, and other important factors beyond the control of the Company that could cause the actual performance or achievements of the Company to be materially different from such forward-looking statements. Accordingly, you should not rely on any forward-looking statements and save as required by the AIM Rules for Companies or by law, the Company does not accept any obligation to disseminate any updates or revisions to such forward-looking statements.

 

 

 

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END
 
 
UPDLMMATMTATBBI
Date   Source Headline
4th Nov 20247:00 amRNSMukai Copper Project - Commencement of Drilling
28th Oct 20247:00 amRNSCopper-Zinc Mineralisation found at Mushima North
16th Oct 20247:00 amRNSMushima North Drilling
30th Sep 20247:00 amRNSTotal Voting Rights
23rd Sep 20247:00 amRNSDrill Start & Exploration Update
16th Sep 20241:12 pmRNSHolding(s) in Company
13th Sep 20243:51 pmRNSHolding(s) in Company
12th Sep 20244:16 pmRNSHolding(s) in Company
29th Aug 20245:19 pmRNSStoruman Fluorspar Project, Sweden
28th Aug 20247:00 amRNSPlacing to raise £880,000
9th Aug 20248:50 amRNSCEO Interview - Company Presentation
7th Aug 20247:00 amRNSMukai Project - Agreement for Joint Venture
29th Jul 20247:00 amRNSMupala Copper Project, Soil Sampling Results
21st Jun 20248:53 amRNSDRILLING UPDATE, KONKOLA WEST COPPER PROJECT
10th Jun 20247:00 amRNSMupala Copper Project, Zambia
6th Jun 202410:53 amRNSUpdate – Agreement with Mwashia
29th May 202410:42 amRNSHalf-Yearly Report 2024
21st May 20247:00 amRNSDrilling Update, Konkola West Copper Project
9th May 20247:00 amRNSMupala Copper Project Update
2nd May 20247:00 amRNSExploration Update – Brunton Pass Project, Nevada
16th Apr 20242:00 pmRNSDrilling - Konkola West Copper Project, Zambia
9th Apr 20249:48 amRNSDrill Start - Konkola West Copper Project, Zambia
29th Feb 20247:00 amRNSTotal Voting Rights
26th Feb 20247:00 amRNSAgreement with Mwashia Resources
15th Feb 20242:31 pmRNSGrant of Warrants
15th Feb 20249:41 amRNSComplete Results of AGM
14th Feb 20242:19 pmRNSResult of AGM
6th Feb 20241:58 pmRNSUpdate: KoBold's New Mingomba Copper Discovery
18th Jan 202410:00 amRNSAnnual Report & Notice of Annual General Meeting
15th Jan 202410:15 amRNSAudited Results for Year Ended 30 September 2023
19th Dec 20239:20 amRNSCompany Presentation via Investor Meet Company
19th Dec 20237:00 amRNSEarn-In Agreement - Konkola West Project, Zambia
30th Nov 20237:00 amRNSKonkola West Copper Project, Zambia
6th Nov 20237:00 amRNSProject Update, Zambia
1st Nov 20237:00 amRNSPlacing to raise £150,000
16th Oct 20237:00 amRNSNew Soil Sampling Results - Mushima North, Zambia
5th Oct 20237:00 amRNSFirst Soil Sampling Results - Mushima North
25th Sep 20237:00 amRNSTerm Sheet for Agreement - Konkola West, Zambia
12th Sep 202310:04 amRNSProvisional Soil Sampling Results - Mukai Project
7th Sep 20237:00 amRNSGovernment Decision - Storuman Project, Sweden
6th Sep 20237:00 amRNSGovernment Decision - Storuman Project, Sweden
24th Aug 20237:00 amRNSUpdated Company Presentation
10th Aug 20237:00 amRNSExploration Update – Zambia
3rd Aug 20233:09 pmRNSUK Government Press Release Supports Zambia Growth
31st Jul 20237:00 amRNSForest Permits Received - Mukai & Mushima North
13th Jun 20237:00 amRNSNew Exploration Licence – Zambia
6th Jun 20237:00 amRNSExploration Update - Konkola West, Zambia
1st Jun 20237:00 amRNSProject Focus – Mushima North Project, Zambia
30th May 20232:40 pmRNSHALF-YEARLY REPORT 2023
17th May 20232:02 pmRNSExploration Update – Lubuila Copper Project

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