effects of mining at the densu basin

Assessment of Geogenic and Anthropogenic Pollution

2020-1-21 ensp 0183 ensp Mining is an important activity in Mexico however despite its economic benefits it carries potential environmental risks including mine spills On August 6 2014 40 000 cubic meters of copper sulfate acid solution was spilled from the Tinajas 1 dam of the Buenavista del Cobre mine in Cananea Sonora northwestern Mexico The solution was directly spilled into the Tinajas creek which is...

Investigations on longwall mining subsidence impacts

2020-1-1 ensp 0183 ensp As longwall mining occurs over time the subsidence basin forms as a gradual dynamic wave The dynamic subsidence wave subjects the ground first to tension and then to compression This gradual change causes the surface to experience horizontal stresses and strains within the radius of influence before and after the inflection point...

Mine Water Resources of the Anthracite Coal Fields of

2019-11-14 ensp 0183 ensp mining history water quality and geo-chemistry had by far made him one of our greatest experts in the field of abandoned mine reclamation mine drainage abatement mine drainage remediation remining predicting AMD coal ash reclamation underground mining and most importantly the topic of underground mine pools...

Application of pollution risk evaluation models in

2020-7-1 ensp 0183 ensp Similarly the recent developments in the world economy have significantly increased the number of motor vehicles in circulation in most parts of the world including Nigeria 22 23 There is an estimated 11 547 236 vehicles registered in Nigeria as at the third quarter of 2017 for a country with a population of about 193 392 517 as at 2016 24 25...

Determining the effects of past gold mining using a

2020-5-20 ensp 0183 ensp During mining operations the number of lakes in which biological effects are probable increases to 55 with a further 15 of lakes indicating biological effects were possible In the post-mine period 30 of the total number of lakes studied indicate that biological effects are probable and an additional 35 indicate that biological effects...

Geochemical and chemometric analysis of soils from a

2020-3-6 ensp 0183 ensp Data is however lacking in most regions especially developing countries for practical policy decision making and management In this study we obtain 49 high-resolution soil cores from three vertical profiles in the Densu River Basin of Ghana and measured the concentrations of major and trace metals Ca K Fe Ti Cr Cu V Ni and Zn...

The occurrence and levels of polycyclic aromatic

2020-6-16 ensp 0183 ensp In the African continent several studies have been conducted to determine PAH pollution levels with their associated health risks in the environment However these studies are very much disconnected The objective of this study is to conduct a systematic review that serves as a comprehensive report on the PAH-related studies conducted in the African continent...

Anthropogenic Effects of Coal Mining on Ecological

2020-2-15 ensp 0183 ensp Mining induced anthropogenic activities are well-known causes of contamination of ecological resources The produced effluents have drastic effects by changing the physical chemical and biological properties of the concerned resources The Central Indus Basin is a well-known coal regime where more than 160 mines are active at present...

Minister acknowledges devastating environmental

2019-9-11 ensp 0183 ensp Speaking to journalists at the Meet-the-Press event in Accra Wednesday September 11 2019 Mr Kwaku Asomah-Cheremeh said an amount of 3 3 billion has been generated by the mining sector in 2019 as export earnings as compared to 3 billion generated over the same period in 2018 making mining a major forex earner for Ghana...