Abstract
Extraction of mineral resources is the backbone of the national economy in many developed and developing countries of the world. However, the exploitation can have many negative impacts on the immediate environment of the exploitation sites. In this study performed on some mining areas of the Moroccan Anti-Atlas, four principal negative effects were detected: effect on the physiognomy, on safety, on health, and on recovery rate. The principal source of this situation is the exploitation of the ore deposits from top to bottom without using any geological preparation and the use of non-adapted exploitation technics. To minimize these impacts, we propose to establish a geological study and advanced mining exploration before starting exploitation, and follow an exploitation technic well adapted to the morphology of the ore deposit like cut-and-fill mining and sublevel stoping methods.
Highlights
In the last times, the world had experienced several and rapid changes in population habits and it knew more technological innovations
We propose to establish a geological study and advanced mining exploration before starting exploitation, and follow an exploitation technic well adapted to the morphology of the ore deposit like cut-and-fill mining and sublevel stoping methods
The exploitation began always from the top to the bottom of the filonian ore bodies, and they continue laterally and vertically without having a clear idea about their characteristics. This situation has many negative consequences on the environment like: On the physiognomy: since studied mineralization is exclusively filonian, and since its exploitation is done from top to bottom, this type of mining operations leads to the development of long, broad and deep trenches that disfigure the general landscape of the region (Figure 2)
Summary
The world had experienced several and rapid changes in population habits and it knew more technological innovations. In a large part of the Eastern Anti-Atlas, exploitation of barite, lead and zinc ores is managed by a Central Regional Development Commission (or CADETAF for Centrale d’Achat et de Développement de la région minière de Tafilalet et de Figuig). This governmental agency offers a wide range of services to artisanal miners extracting high-grade barite, lead and zinc ore in studied area. It operates seven regional ore purchasing centers that provide basic materials and essential services to miners. Exploitations of the Eastern Anti-Atlas affect the immediate environment by the deformation of its natural appearance
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