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Osisko releases latest Windfill Lake gold drilling results

Published by , Assistant Editor
Global Mining Review,

Osisko Mining Inc. (Osisko) has provided new infill drilling results from the ongoing drill definition and expansion programme at its 100% owned Windfall Lake gold project located in the Abitibi greenstone belt, Urban Township, Eeyou Istchee James Bay (Québec). The 800 000 m drill programme commenced in late 2015. The programme is currently focused on infill drilling within the main Windfall gold deposit and the adjacent Lynx deposit (located immediately NE of Windfall), exploration and expansion drilling on the main mineralised zones, and deep exploration in the central areas of the intrusive system. Significant new analytical results from 53 intercepts in 23 drill holes and 6 wedges focused on infill drilling are presented below.

The database for the Lynx interim resource update was closed on 27 October 2018.  Results are on schedule to be released prior to the end of the month. This interim resource update is focused on the Lynx zones above 500 m, and was planned in May 2018 as a follow-up to demonstrate the results of infill drilling on the May 2018 preliminary resource estimate (see Osisko press release dated 14 May 2018). The complete Windfall resource is scheduled for release in 2019 upon the completion of the ongoing infill drilling programme.

Bulk sampling in Zone 27 is also progressing, with over 1000 t of sample material already shipped to the custom processing facility in Ontario. Preliminary results from Zone 27 bulk sampling are also on schedule to be available before the end of December.


Highlights from yesterday’s new infill drilling results include: 83.9 g/t Au over 5.3 m and 89.3 g/t Au over 2.4 min OSK-W-18-1731; 56.3 g/t Au over 3.3 m in OSK-W-18-1728-W1; 29.3 g/t Au over 2.9 m in OSK-W-18-1738; 27.2 g/t Au over 2.6 m in OSK-W-18-1508; 23.7 g/t Au over 2.9 m in OSK-W-18-1754 and 13.5 g/t Au over 4.7 m in OSK-W-18-1762.

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