Company announcements Home » Investors » News » Company announcements » First Doornkop stope commences 2007 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 First Doornkop stope commencesJuly 18, 2007Johannesburg. 18 June 2007. Harmony Gold Mining Company Ltd (Harmony) announced that the first stope of the Doonkop South Reef commenced today with its scheduled blast. It is anticipated that the build-up phase will be slow during the first month as only stope blasting will be performed. The momentum should pick up in months two and three when blasting will increase from three to six stopes. Harmony’s Doornkop South Reef Project involves the deepening of the Doornkop mine shaft to 1 973 metres, to mine and develop towards the mining areas.