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De Grey Mining Limited has made new gold discoveries at its Hemi and Antwerp targets

De Grey Mining Limited makes new gold discoveries at its Hemi and Antwerp targets at the Mallina Gold Project, located in the Mallina Province of Western Australia.

De Grey Mining Ltd -

De Grey Mining Limited (ASX:DEG) has made new gold discoveries at its Hemi and Antwerp targets at the Mallina Gold Project, located in the Mallina Province of Western Australia 

A wide-spaced air-core regional drill programme focused on the Scooby to Antwerp Structural Trend has returned significant gold intercepts from the Hemi and Antwerp targets (Figure 1). This air-core drill programme is part of a wider regional programme consisting of 47,500 meters (m).

Figure 1: Map showing the location of the Manilla gold project (also known as Pilbara Gold Project)

Source: Company website

The Scooby to Antwerp Structural Trend is a 15-kilometer (km) long trend that is 2km south of, and subparallel to, the Mt Berghaus trend, which contains the 181,000 ounce Mt Berghaus Gold Deposit (Figure 3).

Drilling at the Hemi target returned 43m at a grade of 3.7 grams per tonne (g/t) gold (Au) from 36m (BWAC245) and 25m at a grade of 2.7g/t Au from 32m (BWAC258) (Figure 2). These two intercepts are 700m apart and additional work is required to see if the two areas of veined gold mineralisation are related.

Assay results from the Antwerp target, which is 5km southwest of the Hemi target, include 6m at a grade of 10.7g/t Au from 4m (BWAC185) and 4m at a grade of 21.7g/t Au from 32m (BWAC211) (Figure 2).

Figure 2: Location of latest discoveries

Source: De Grey Mining Ltd, New Gold Discoveries at Hemi and Antwerp, 17th December 2019

Both of these discoveries for De Grey Mining were blind discoveries, with both areas of gold mineralisation lying under a blanket of sand cover, making the discoveries all the more impressive.

De Grey has already established a total JORC 2012 compliant mineral resources of 1.7 million ounces at an average grade of 1.8g/t gold at the Mallina Gold Project (Figure 3) and its diligent approach to exploration appears likely to expand its significant resource base. With only around 10% of the shear zones tested to shallow depths of 100-150m, the project has the potential to get much bigger.

Figure 3: Map showing the deposits that make up the 1.7m ounces of gold at the Manilla project

Source: Company website

Both of these latest discoveries remain open, and follow-up reverse circulation (RC) programs are being planned to define potential resources, as well as continuing wide-spaced and infill air-core drilling.

Quick facts: De Grey Mining Limited

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