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Alta Zinc Ltd.

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Summary

Project:

Gorno

Deposit:Colonna Zorzone
Location:Italy
Commodities:Zinc-Lead-Silver
Date:12/8/2017
Report Code:JORC
Report Type:Resource Estimation
Project Stage:Pursuing Feasibility Study
Report details:8-12-2017: Alta Zinc Ltd. announces a Resource Estimation report for its Colonna Zorzone deposit at the Gorno project. Mineral Resource update for Gorno project. Alta Zinc Limited (ASX: AZI or “Alta Zinc”) (formerly Energia Minerals, ASX: EMX) has receive
Resources:(Resource, I+I): 3.3Mt @ 4.9% Zn, 1.3 % Pb, 27.2ppm Ag at Colonna Zorzone
CP/QP:[Resources]: Stephen Godfrey (Jorvik Resources Pty Ltd.)
ABSTRACT:Alta Zinc Limited (ASX: AZI or “Alta Zinc”) (formerly Energia Minerals, ASX: EMX) has received an updated Mineral Resource Estimate (Table 1) for the Colonna Zorzone Deposit at its 100% owned Gorno Zinc Project (“Project”) in northern Italy from its consultants, Jorvik Resources Pty Ltd. Alta Zinc commissioned a mineral resource estimation revision to include all drilling results obtained to date. The revision was primarily focused on using the resource estimation to inform metallurgical and mining parameters for studies being completed on the Project, and to increase the level of geological knowledge and confidence in the mineral resource. The updated information underpins: The only material difference in data used in the new estimate compared to the previous May 2017 Mineral Resource Estimate was the inclusion of eight diamond drill hole results received subsequent to the information cut-off date for the prior estimation. After consultation with Alta Zinc’s mining and metallurgical consultants, during this revised estimate significant attention was given to the encapsulation of geological, metallurgical, and mining parameters within the geological wireframes, and estimation blockmodel. Particular attention was given to faulting, oxide/sulphide mineralisation distribution controls and locations, and the grade and dispersion of pyrite in the mineralisation.

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