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Tombill Mines Ltd
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Tombill begins exploration program at Tombill Main

2021-04-01 09:55 ET - News Release

Mr. Adam Horne reports


Tombill Mines Ltd. has begun an extensive integrated exploration program at its 100-per-cent-controlled, royalty-free flagship and patented Tombill Main group property within the Geraldton gold camp.

Exploration and drilling plan highlights:

  • The first phase 1 diamond drill hole, TB-21-001, has been completed to a downhole depth of 1,219 m. Drill core is presently being logged and sampled. A wedge daughter hole, TB-21-001A, was started at a downhole depth of 500 m and is responding well with directional wedging. Such wedge drilling has been utilized successfully at the Hardrock deposit immediately east of Tombill Main group.
  • A second drill has been added to the deep-drilling campaign as per plans to accelerate the phase 1 drilling. Drilling has begun on hole TB-21-002, which is currently at a downhole depth of 750 m and is on track to intersect target.
  • An unmanned aerial vehicle magnetometer survey has been completed on the Tombill Main group. Tombill's geological personnel has identified crosscutting features associated with refolded lithologies and structures. These new targets are being added to the near-surface exploration campaign:
    • Eight surface targets were defined, including the past-producing Talmora mine.
    • This campaign is the first conducted at historic near-surface targets utilizing modern exploration techniques.
  • Areas of near-surface targets are being accessed with bulldozer trails in preparation for stripping of overburden, allowing detailed mapping and channel sampling:
    • Tombill is continually utilizing a Bayesian ranking system to target as more data are acquired.
    • The goal of the current surface campaign is to identify near-surface targets down to 300 m depth to be tested by future drilling.

Deep drilling program:

  • The phase 1 drill plan comprises a 15 drill hole (five hub holes plus 10 daughter holes) campaign encompassing approximately 16,000 m.

The deep drilling program is focused on delineating extension and continuity from the neighbouring Hardrock project's east to west resource plunge, especially the F zone where its westernmost drill hole, MM170, encountered 18.49 grams per tonne over 20.5 metres. All mineralized zones at Hardrock continue onto Tombill Main's property:

  • The phase 2 drill plan comprises a 63-drill-hole campaign encompassing approximately 70,000 m. This program is contingent on the success of phase 1 drilling.

Near-surface program

Past producers and explorers at Tombill did not emphasize the search for open-pittable low-grade gold resources. This strategy was successful at the adjacent Hardrock property, resulting in the delineation of 5.5 million ounces of proven and probable reserves, 2.6 million ounces of measured and indicated resources, and 3.4 million ounces inferred resources, associated with past-producing mines and the identification of 17 separate gold zones. Tombill geologists are presently:

  • Conducting 3-D modelling and interpretation of historical geologic data coupled with detailed drone magnetic data;
  • Putting in bulldozer trails to open access to near-surface targets in preparation for stripping of overburden.

Upon opening surface exposures at these targets, the focus will be on:

  • Conducting detailed mapping and sampling of stripped areas, and reconciling magnetics interpretation with observations of zone extensions and plunges;
  • Continual ranking of targets using a Bayesian system for the selection of future drill targets.

Qualified person

Glen Kuntz, PGeo, of Nordmin Engineering Ltd., is the company's designated qualified person for this news release within the meaning of National Instrument 43-101 -- Standards of Disclosure for Mineral Projects, and has reviewed and approved its scientific and technical content.

The company cautions that its qualified person has been unable to verify the information concerning the Hardrock project and that this information is not necessarily indicative of the mineralization on the Tombill Main group.

About Tombill Mines Ltd.

Tombill owns various royalty-free mineral exploration and past-producing gold properties in the Geraldton and Beardmore camp, Ontario. The company's business is mineral exploration, primarily gold. It has 74 claims: 60 are owned and patented, five leased, and nine where it owns the mineral rights. Of these, the Tombill Main group property comprises 58 claims: 54 owned patents and four owned mineral rights. The Tombill Main group claims were originally staked in the first Geraldton gold rush in the 1930s by Tom Johnson and his brother, Bill.

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