... site in the world. metals & mining seam Siltstone Schreiber responsibility rock mass Upstream Oil & Gas extraction evaluation procedia engineering 191 pillar mining site Reservoir Characterization mining activity mining method excavation seismic activity pillar hard...

... Abstract As a relict of former subsurface basalt mining activity within the municipal area of the city of Mendig (Germany) an area of about 200,000 m 2 of disused pillar supported mining openings still exists at about 15–20 m below the current ground surface. After the shutdown of mining...

... Tenggara (NTB), Indonesia, have become gold miners. The small-scale mining in this area is sporadic, disorganized, and used the underground mining method and simple equipment such as crowbars, hammers and chisels. The mining activities are carried out at a depth of approximately 40 meters below the surface...

... criteria, during the lifetime of the excavation and after the close down of the mining activities. The case study presented using this methodology is a marble underground extraction, localized in the region of Estremoz/Borba/Vila Viçosa, Portugal. 1. INTRODUCTION The Estremoz/Borba/Vila Viçosa marble...

... In this paper, some examples of damages and property loss caused by mining activities, as well as an example of avoiding the possible damage in Yunnan Province of China, are presented. It is shown that in mountain regions, the influence areas of caving and subsidence produced by mining may...