Discovery Metals Limited has reported assay results from 17 Reverse Circulation (RC) drill holes at the Zeta NE deposit. Zeta NE is located within the company’s 100% owned prospecting licences in the Kalahari Copper belt in north-west Botswana and is located approximately 10 kilometres east of the Boseto concentrator.
The Zeta NE deposit is within the Boseto Zone and approximately seven kilometres north-east of and directly along strike from the Zeta Deposit, which is currently being mined.
The assay results reported are from the first 18 holes drilled as part of a 54 hole program designed to test the vertical depth to the top of the sulphide zone at Zeta NE. They were drilled on six sections spaced 200m apart, covering a strike length of one kilometre at the north-east end of the deposit. Previous drilling has shown that the vertical depth to the top of the sulphide zone may be variable across Zeta NE. This program was designed to improve confidence in the oxide and sulphide boundaries.
From logging and assay data, vertical depth to the base of the oxide zone in these six sections varies between 30 m and 40 m. The depth to the top of the sulphide zone varies from between 42 m to 64 m. Average thickness of the transition zone is approximately 15 m. Figures 5 to 7 are cross-sections showing the base of the oxide zone and top of the sulphide zone.
Assay results confirm the conclusions of previous drilling. The four south-western sections reported here extend the higher grade and/or thicker mineralisation identified in previous drilling to a strike length of approximately 1,000 m. In this zone, every drilled section and most holes return individual intercepts of greater than 5 m @ 1.5% Cu within up to three mineralised zones. The best intercept reported here, 11 m @ 4.0 % Cu & 125 g/t Ag in GDRC3326, compares favourably with other intercepts in this zone, including 26 m @ 1.7% Cu & 22 g/t Ag in GDDD2812 and 18.7 m @ 2.0% Cu & 13 g/t Ag in GDDD2813, reported in December 2012.
The two north-eastern most sections confirm the continuity of mineralisation albeit at lower grades and thickness. One hole, GDRC3334, failed QA/QC checks and is being re-assayed.
Silver grades in the sulphide zone are regionally high in the four south-western sections. One interval in GDRC3329 returned a silver grade of 1110 g/t Ag from 65 to 66 m; the highest silver assay returned at Zeta NE. The high grade silver zone is co-incident with the higher grade copper zone identified above.
The current drill program is nearing completion with the final assays to be reported in early 2014. In Q1 of 2014, an in-fill drill program is planned to begin, aiming to allow an estimation of an Indicated Mineral Resource for Zeta NE. The updated Mineral Resource estimate is expected to be complete in late Q2 of 2014.
