Rafaella Resources’ Transformational Santa Comba Tungsten Project

Rafaella Resources Limited (ASX: RFR) a diversified mining group, has moved from an explorer of gold and copper to a fully permitted brownfield tungsten and tin developer, after the successful and transformational acquisition of Galicia Tin & Tungsten SL, owner of the Santa Comba mining licenses.

The Tungsten Appeal

Originally focussed on gold, cobalt and copper, RFR has transformed into a tungsten miner. A strategic metal, tungsten has unique properties with no substitutes:

  • It has the highest melting point of all metals;
  • Tungsten has very high tensile strength;
  • It has the lowest coefficient of thermal expansion of any metal;
  • It has major applications in machine tools;
  • Tungsten is used as a toughener in steel alloys;
  • It is used in ammunition and armoury, along with other applications.

The Annual global production of tungsten is around 90,000 tonnes WO3 (Tungsten(VI) oxide), with China supplying approximately 80% of the global tungsten concentrate and intermediate products and consuming approximately 55%.

The demand and price for tungsten and tin are surging catalysed by the diverse industrial uses in automotive, aerospace, construction and electronics. Its consumption tends to grow in line with the world economy, and particularly in line with the manufacturing sector. From 2011 to 2018, tungsten consumption rose 2.1 per cent a year on average.

Australia’s production of tungsten is currently very low but holds high potential for future. About 19 tungsten mine projects hold expectation for generating good results. If all of them come online, 15kt a year production of tungsten would be possible.

The overall tungsten demand is expected to grow at around 1 per cent per year on average over the period to 2030. Prices are expected to recover from 2019 levels and to remain at levels which support steady growth in world mining output.

The Santa Comba tin and tungsten project

Tungsten was discovered at Santa Comba far back in 1940. The previous owners commenced the installation of a processing plant in 2012 with an installed crushing capacity of 682ktpa ROM. The Project, situated in northwest Spain near the township of Santa Comba in Galicia, is permitted for open pit and underground mining and covers the 7 km length of the Santa Comba granite massif.

JORC (2012) Mineral Resource Estimates:

  • Near-surface JORC (2012) Inferred Mineral Resource Estimates after scout drilling program. Disseminated W mineralisation within endogranite potentially suitable for Open Pit Mining: 5.1Mt @ 0.203% WO3 & 0.014% Sn (0.05% WO3 cut-off).
  • Underground JORC (2012) Inferred Mineral Resource Estimate in historic Mina Carmen mine. High-grade, quartz vein-hosted W-Sn mineralisation suitable for Underground Mining: 234kt @ 0.95% WO3 & 0.28% Sn (0.53% WO3 cut-off).
  • Mineralisation open along strike and at depth for both mineralisation styles, targeting resource expansion.

Moreover, the local Santa Comba council is supportive of the project and mining industry for employment and economic benefit. With the environmental and restoration bond in-place with Galician administration, RFR is committed to implementing best-practices in environmental management.

The Transformational Acquisition

Entering a Heads of Agreement on 27 May 2019, RFR had announced the proposed acquisition of Galicia Tin & Tungsten SL, after completing the due diligence on GTT’s business, assets and operations. The company targeted Santa Comba as a development project capable of being fast tracked to production and is greatly assisted by funding from the German Government.

On 29 July 2019, the company hosted a roadshow to close out the equity raise of $2.6 million at $0.20 per share to complete the acquisition. Transamine Holdings and Investments has already given an initial commitment of $1 million followed by a further $500,000 upon the delivery of a positive Project feasibility study and the grant of any project financing that allows the project to proceed to construction.

After RFR’s shareholders approved the proposed acquisition at a special meeting held on 9 August 2019, the company successfully completed a capital raising of $2.8 million at $0.20 per share in connection with the acquisition, as intimated on 19 August 2019. The funds raised, combined with the cash balance of over $3 million, were an important milestone in executing the acquisition and development of a major tin and tungsten project in Spain.

Following the capital raising, the company appointed John Webster as Feasibility Study Manager and engaged an engineering consultancy Grinding Solutions Ltd and top ore sorting company Tomra Sorting GmbH to advance the feasibility study. Parallelly to the drilling programme, test-work was conducted to fast track the Feasibility Study.

The acquisition was completed on 27 August 2019, after RFR’s Board confirmed that terms approving the acquisition had been either waived or met.

The company announced that drilling commenced on 16 September 2019, through experienced Spanish contractor, Geonor Sondeos y Peforaciones, S.L. and the Atlas Copco diamond drilling rig was mobilised to the project.

The adjacent Eliseo and Barrilingo prospects will be tested, though the drilling has commenced at the Quarry North prospect.

RFR further aims to increase the number of drilling rigs at the site to as many as four over the coming months, subject to operational constraints.

Completion of the acquisition led to the change in the Board structure of the company. Robert Wrixon is appointed as an Executive Director and Steven Turner is appointed on the Board as a Managing Director.

(Source: RFR’s Report)

Share Price Information

The RFR stock settled the day’s trade at $0.120, with a market capitalisation of $7.75 million and 70.43 million shares outstanding.


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