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WHITE ROCK MINERALS LIMITED

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White Rock commences drilling at its high-grade Zinc VMS Project

ASX Announcement 23 May 2018 

White Rock Minerals Ltd (“White Rock” or the “Company”) is pleased to announce that its 2018 exploration program is now underway and drilling has commenced at its globally significant1 100% owned high-grade zinc VMS project at Red Mountain in Alaska.

The field program includes:-

  • A targeted diamond drilling program aimed at in-fill and expansion of the high grade maiden Resource,
  • Surface geophysics, mapping and geochemical sampling of new targets, and 
  • A follow-up diamond drilling program on the best of the more than 30 already identified exploration targets.

The first crews have mobilised with the camp now established (Figure 1) and the field and drilling crews now occupying this camp. Drilling has commenced with the first diamond drill hole underway at the West Tundra Flats deposit (Figure 2). In addition, a geological crew has commenced reconnaissance mapping and geochemical sampling of the new target areas ahead of the planned arrival of the surface geophysics crew in early June.

Drilling Campaign

The initial drilling campaign aims to infill and extend the Maiden Resource which already has two identified deposits (Dry Creek and West Tundra Flats) and a Resource base of 16.7Mt at 8.9% ZnEq2 including a high-grade component of 9.1Mt @ 12.9% ZnEq2 (refer ASX announcement 26 April 2017 regarding the maiden Mineral Resource).

This drilling is aimed to follow-up on drilling last done in the 1990s, which included the following done at West Tundra Flats (the first deposit being drilled in the current program):-

  • 1.3m @ 21.0% Zn, 796g/t Ag, 9.2% Pb, 10.2g/t Au from 58.6m (WTF83-17), 
  • 3.0m @ 7.3% Zn, 796g/t Ag, 4.3% Pb, 1.1g/t Au from160.9m (WTF82-08), 
  • 1.7m @ 11.4% Zn, 374g/t Ag, 6.0% Pb, 1.7g/t Au from 104.3m (WTF82-05).

(refer ASX Announcement dated 15 February 2016 “White Rock Minerals proposes to acquire VMS project in Alaska”.)

1 Refer ASX Announcement dated 26 September 2017 “White Rock Minerals Independent Research Report”

2 ZnEq = Zinc equivalent grades are estimated using long-term broker consensus estimates compiled by RFC Ambrian as at 20 March 2017 adjusted for recoveries from historical metallurgical test work and calculated with the formula: ZnEq =100 x [(Zn% x 2,206.7 x 0.9) + (Pb% x 1,922 x 0.75) + (Cu% x 6,274 x 0.70) + (Ag g/t x (19.68/31.1035) x 0.70) + (Au g/t x (1,227/31.1035) x 0.80)] / (2,206.7 x 0.9). White Rock is of the opinion that all elements included in the metal equivalent calculation have reasonable potential to be recovered and sold.

Click here to view the full announcement

White Rock high-grade zinc exploration activities commence

ASX Announcement 10 May 2018 

White Rock Minerals Ltd (“White Rock” or the “Company”) is pleased to provide an update on its plans to conduct a comprehensive exploration program at its globally significant 100% owned zinc VMS project at Red Mountain in Alaska.

Mobilisation of personnel has been initiated with the first flight from Fairbanks landing into the Newman airstrip, adjacent to the summer field camp (Figure 1). This first flight mobilised the crew to establish the camp in readiness for field operations anticipated to commence with two weeks. Over the next two weeks additional crews including the drillers and the field geological crew will continue to arrive in preparation for the drilling, geological reconnaissance and geochemical sampling programs.

It is expected that the geophysics crew (Zonge International) will arrive to commence their on-ground work in mid-June.

White Rock’s exploration for the upcoming field season is planned to include:

  • A targeted diamond drilling program aimed at in-fill and expansion of the high grade maiden Resource, 
  • On-ground orientation EM and possibly geochemistry exploration across the two already identified deposits,
  • Regional application of the best geophysics and geochemistry exploration tools determined from the on-ground orientation work, and 
  • A follow-up diamond drilling program on the best of the more than 30 already identified exploration targets.

The drilling campaign will aim to infill and extend the maiden resource which already has two identified deposits (Dry Creek and West Tundra Flats) and a Resource base of 16.7Mt at 8.9% ZnEq1 including a high-grade component of 9.1Mt @ 12.9% ZnEq1 (refer ASX announcement 26 April 2017 regarding the maiden Mineral Resource).

This drilling is aimed to follow-up on drilling last done in the 1990s, which included 

68.9m @ 4% Zn, 1.8% Pb, 58g/t Ag and 0.3g/t Au (DC98-60), 

36.1m @ 6.2% Zn, 2.5% Pb, 183g/t Ag and 1g/t Au (DC98-40) and 

12.5m @ 12.5% Zn, 5.5% Pb, 160g/t Ag and 1.1g/t Au (DC97-04).

(refer ASX Announcement dated 15 February 2016 “White Rock Minerals proposes to acquire VMS project in Alaska”.)

MD & CEO Matt Gill said “A lot of preparation has gone into planning for the commencement of field activities as early as possible in the 2018 field season. It is great to see all the hard work coming together as field crews begin to mobilise with first drilling expected to be underway within two weeks. There is a real sense of anticipation that the on-ground geochemistry and geophysics teams, combined with drill testing could yield additional high grade zinc deposits that catapult the project to the next stage and realise White Rock’s aspiration to develop a new mine. This is an exciting time for White Rock”

1 ZnEq = Zinc equivalent grades are estimated using long-term broker consensus estimates compiled by RFC Ambrian as at 20 March 2017 adjusted for recoveries from historical metallurgical test work and calculated with the formula: ZnEq =100 x [(Zn% x 2,206.7 x 0.9) + (Pb% x 1,922 x 0.75) + (Cu% x 6,274 x 0.70) + (Ag g/t x (19.68/31.1035) x 0.70) + (Au g/t x (1,227/31.1035) x 0.80)] / (2,206.7 x 0.9). White Rock is of the opinion that all elements included in the metal equivalent calculation have reasonable potential to be recovered and sold.

Click here to view the full announcement

White Rock secures geophysics contractor for field season at its high-grade Zinc VMS Project

ASX Announcement 2 May 2018 

White Rock Minerals Ltd (“White Rock” or the “Company”) is pleased to provide an update on its plans to conduct a comprehensive exploration program at its globally significant 100% owned zinc VMS project at Red Mountain in Alaska. White Rock’s exploration for the upcoming field season is planned to include:

  • A targeted diamond drilling program aimed at in-fill and expansion of the high grade maiden Resource,
  • On-ground orientation EM and possibly geochemistry exploration across the two already identified deposits,
  • Regional application of the best geophysics and geochemistry exploration tools determined from the on-ground orientation work, and
  • A follow-up diamond drilling program on the best of the more than 30 already identified exploration targets.

A key part of the field program is the application of modern-day ground geophysics techniques for the first time on this project, particularly a range of surface and downhole electrical techniques to assist in identifying possible targets for subsequent drill holes that will test for high grade massive sulphide mineralisation both as extensions to the known deposits at Dry Creek and West Tundra Flats, and also some of the 30 already identified exploration targets developed from historic shallow EM and historic surface geochemistry.

White Rock is pleased to announce that Zonge International, Inc., one of the world’s leading geophysical contractors, has been selected to provide these geophysical services for the Red Mountain field program.

The next steps in the Company’s upcoming exploration field season are the construction of the field camp commencing next week, followed by full camp commissioning with drilling and field crews scheduled to commence the field program during the last week of May.

The drilling campaign will aim to infill and extend the maiden resource which already has two identified deposits (Dry Creek and West Tundra Flats) and a Resource base of 16.7Mt at 8.9% ZnEq1 including a high-grade component of 9.1Mt @ 12.9% ZnEq1 (refer ASX announcement 26 April 2017 regarding the maiden Mineral Resource).

This drilling is aimed to follow-up on drilling last done in the 1990s, which included

68.9m @ 4% Zn, 1.8% Pb, 58g/t Ag and 0.3g/t Au (DC98-60),

36.1m @ 6.2% Zn, 2.5% Pb, 183g/t Ag and 1g/t Au (DC98-40) and

12.5m @ 12.5% Zn, 5.5% Pb, 160g/t Ag and 1.1g/t Au (DC97-04).

(refer ASX Announcement dated 15 February 2016 “White Rock Minerals proposes to acquire VMS project in Alaska”.)

MD & CEO Matt Gill said “The Company is very excited about the imminent commencement of field activities at our Red Mountain project. There is a real sense of anticipation that drill testing could yield additional high grade zinc deposits that catapult the project to the next stage and realise White Rock’s aspiration to develop a new mine. This is an exciting time for White Rock”.

ZnEq = Zinc equivalent grades are estimated using long-term broker consensus estimates compiled by RFC Ambrian as at 20 March 2017 adjusted for recoveries from historical metallurgical test work and calculated with the formula: ZnEq =100 x [(Zn% x 2,206.7 x 0.9) + (Pb% x 1,922 x 0.75) + (Cu% x 6,274 x 0.70) + (Ag g/t x (19.68/31.1035) x 0.70) + (Au g/t x (1,227/31.1035) x 0.80)] / (2,206.7 x 0.9). White Rock is of the opinion that all elements included in the metal equivalent calculation have reasonable potential to be recovered and sold.

The work program for Zonge will include on-ground orientation geophysics at the known deposit at Dry Creek (located in the bottom right hand corner of Figure One), followed by the more regional application of the best identified geophysics tools on a number of the high priority conductors circled in pink in Figure One.

Click here to view the full announcement

Quarterly Activities Report - for the Quarter ended 31 March 2018

ASX Announcement 30 April 2018 


Red Mountain Zinc VMS Project 

During the Quarter the Company announced the execution of a number of important activities in preparation for the planned 2018 exploration field season at its 100% owned Red Mountain zinc – silver – lead – gold volcanogenic massive sulphide (“VMS”) Project in Alaska. 

The proposed exploration program includes: 

  • A targeted diamond drilling program aimed at in-fill and expanding the current globally significant high-grade zinc VMS maiden Resource,
  • On-ground orientation electromagnetic (EM) geophysics and geochemistry exploration across the two already identified deposits, 
  • The regional application of the best geophysics and geochemistry exploration tools determined from the on-ground orientation work, and
  • A follow-up diamond drilling program on the best of the more than 30 already identified exploration targets.

The Company has successfully mobilised heavy equipment to site including a diamond drill rig and camp. All permits required for field activities have been granted. All major contracts have been executed or are in the final stages of preparation to ensure that all the key support services are ready for the start of the field season in late May.

MD & CEO Matt Gill said ““The Company is very excited about the potential for its globally significant high-grade Zinc VMS Project at Red Mountain, and the news flow that should come from a successful exploration program here. 

Since acquiring the Red Mountain project in early 2016, we have expanded our strategic footprint 10-fold, to 143km2 , and have also released a maiden Mineral Resource that immediately placed the Red Mountain Project in the top quartile of undeveloped high-grade VMS (zinc, silver, gold) deposits globally. Importantly, the two deposits identified within the Company’s extensive land holding immediately placed the Red Mountain zinc project as one of the highest grade and more significant deposits of any zinc company listed on the ASX and an important VMS asset within a global context. 

Our drill program for the 2018 summer field season aims to further build on our geological knowledge of the mineralisation, increase confidence in the Resource base, expand the already globally significant Resources at the existing deposits and discover new deposits. 

We will, in parallel with the drilling program, also be conducting on-ground geophysics and geochemistry, testing many of the 30 already identified exploration targets developed from historic shallow EM and historic surface geochemistry, and explore the system for VMS related gold potential. We plan to drill the best of these regional targets towards the end of this drilling campaign.”

Red Mountain Zinc-Silver-Lead-Gold VMS Project

During the Quarter the Company has executed a number of activities in preparation for its upcoming 2018 exploration field season at its 100% owned Red Mountain zinc – silver – lead – gold volcanogenic massive sulphide (“VMS”) Project in Alaska. Red Mountain is a globally significant VMS project with two already identified deposits (Dry Creek and West Tundra Flats) providing White Rock with a Resource base of 16.7Mt at 8.9% ZnEq1 including a high-grade component of 9.1Mt @ 12.9% ZnEq1 (refer ASX announcement 26 April 2017 regarding the maiden Mineral Resource).

During the Quarter the Company:- 

  • engaged a local consultancy to manage field operations for the 2018 field season,
  • secured a diamond drill contractor, 
  • secured a camp contractor, 
  • secured all permits required for field activities and 
  • secured all permits and completed the overland mobilisation of heavy equipment including the diamond drill rig and camp accommodation.

Click here to view the full announcement 


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