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Chase Mining to drill deeper to test extension of high-grade Alotta deposit

The planned hole offers an exciting opportunity to extend the known high-grade nickel-copper-cobalt-PGE mineralisation to depth.

Chase Mining Corporation Ltd - Chase Mining to drill deeper to test extension of high-grade Alotta deposit
An existing drill hole will be extended from 102 metres to 180 metres

Chase Mining Corporation Ltd (ASX:CML) has received a final report for the review of its Alotta Priority 1 VTEM (versatile time domain electromagnetic) anomaly in Quebec, Canada.

The company had commissioned Perth based Southern Geoscience Consulting (SGC) to undertake a peer review of the previously reported (May 2019) plate models associated with its five Priority 1 VTEM anomaly sites within the Lorraine project area and of the Alotta Priority 1 anomaly (July 2019).

READ: Chase Mining confirms priority drill targets at Lorraine Project

The SGC review differed from the earlier interpretations by modelling a weak conductor within the mineralised lens in response to early-time VTEM data.

This shallow conductor did not explain the strong late-time VTEM response characteristic of the Alotta Priority 1 anomaly classification.

SGC concluded that a deeper, flatter conductor positioned below and outside the mineralised lens provides a better match for the observed late-time VTEM anomaly.

Planned downhole electromagnetic (DHEM) program

The 2018 drill programme at Alotta was carried out by Chibougamau Diamond Drilling Ltd (CDD) who is the contractor for the current Lorraine Project drilling.

CDD has indicated that following-on from the Lorraine drilling that they would undertake to re-enter one of the 2018 drilled holes and deepen as required.

Chase Mining has selected hole ZA-18-01 (confirmed by SGC) as providing the best ‘access’ to test for extensions to the Alotta mineralisation and to carry-out the DHEM survey targeting the modelled plates.

Alotta Cross-Section showing hole ZA-18-01

Chase Mining’s consultants Orix geoscience have already made contact with the private landowners, principally the Town of Laverlochere to extend the 2018 access approvals to cover the planned drilling and DHEM survey.

In 2018 Hole ZA-18-01 was drilled to test for a depth extension to the Alotta massive sulphide lens as outlined by 2001 drilling.

The hole successfully extended mineralisation with an intersection of 4.49 metres at 1.29% nickel, 3.73% copper, 0.14% cobalt and 2.88 g/t PGE (platinum group elements) from 72.28 metres downhole.

The hole was drilled-on to 102 metres intersecting gabbro, feldspar porphyry and ending in a mafic dyke.

The hole will now be extended from 102 metres to 180 metres.

READ: Chase Mining begins nickel-copper sulphide and gold drilling in Quebec

Drilling at Alotta by deepening hole ZA-18-01 is planned to follow-on from the Lorraine drill program which is currently underway.

Utilising ZA-18-01 not only provides the possibility of intersecting massive sulphides at depths of up to 180 metres but also provides a prime hole for the DHEM survey for testing the modelled plates.

The hole will be deepened if disseminated or net textured (20-30% matrix sulphides) are intersected in a gabbro host rock toward 180 metres downhole .

Quick facts: Chase Mining Corporation Ltd

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