Surface coal mining and reclamation methods in the Appalachians have changed dramatically since the passage of the Surface Mining Control and Reclamation Act (SMCRA) of 1977 and subsequent improvements in mining and reclamation technology. In this study, 30 pre-SMCRA mine soil profiles (4-20 yr old) were examined and sampled in 1980 and compared to 20 mine soil profiles (8-13 yr old) described ...

Sierra Leone is blessed with abundant natural resources but yet prone to environmental degradation due to the mining operations. Most often, the mining communities are faced with social tensions, as a result of the possible trade-off between the expected employment impact and the cost of mining operations to the environment. Over the past decades, the contribution of the mining sector to the de...

determination of stockpile weight and stockpile inventory are critical to any quarry or mining operation, whether it is required by accounting firms or used internally for the quarterly balance of production and sales. generally, errors and problems originate from two factors. volume of stockpile that is traditionally worked out from the mapping results has a low accuracy due to irregular shape...

Cameroon has a strong geological potential for a number of mineral resources that, if well managed, could support economic growth. The country contains potentially large deposits of iron ore, gold, bauxite, diamond, limestone, nickel, and gemstones, and indices of other numerous minerals and precious metals. Despite its geological wealth, mining has never played a major role in Cameroon’s econo...

In areas where mining encroaches on a previously mined area, the historic mine plans do not always provide accurate information regarding the extent of historic and existing developments. Mining into old workings may result in hazards such as flooding of advancing workings. The development of infrastructure over old workings may also be undesirable, especially in areas that are susceptible to s...

The Overburden of waste and uneconomic mineralized rock is required to be removed to mine the useful mineral resource in a surface mining operation. In this process a dump is formed by casting the waste material and dumping it in nearby area. The dump so formed is known as mine waste dump. Waste dump may be classified as internal and external dump. External dump is created outside the pit where...

This paper presents the author’s view on the main challenges for autonomous operation in surface mining environment. A brief overview of the mine operation is presented showing the number of components that needs to interact in a safe, robust and efficient manner. Successful implementation of autonomous systems in field robotic applications are presented with a discussion of the fundamental pro...

SUMMARY Proteomics technology has shown promise in identifying biomarkers for disease, toxicant exposure and stress. We show by example that the genetic algorithm/k-nearest neighbors method, developed for mining high-dimensional microarray gene expression data, is also capable of mining surface enhanced laser desorption/ionization-time-of-flight proteomics data. AVAILABILITY The source code o...

Article describes the issues related to the impact of underground mining exploitation on pipelines in Poland. For this purpose there was conducted the impact analysis of horizontal strains, curvatures and tilt changes of the surface on loads and displacements of these objects. Ground deformations can cause pipelines failures and thereby reduce their reliability. In addition, the examples of typ...

To determine the degree of mining affection on surface or in strata, the GIS technique is used, with Mapinfo as the platform. Through programming of seam inclination-based subsidence mathematical models and mining disturbance analysis visualization, Mapbasic/Vc++/Vfortran programming design is realized under Windows. The program system provides not only an effective approach for model analysis,...