· The underground impacts are caused by the influx of water into the underground workings and the subsequent dewatering of the aquifer [ 39 ]. Another source of environmental pollution from gold mines is the chemicals used in processing the gold.

The main objective of this study was to assess the impact of LGM on its local population by 1) evaluating the LGM activities impacts on the environment; 2) Identifying the impacts on the socioeconomic and the natural resources; 3) Proposing mitigation measures. 2. Materials and Methods 2.1. Description of the Study Area

 · Gold placer mining is generally practiced using draglines from gold mining placer dredges to remove topsoil, vegeta-tion, and up to 10 m of overlying layers of alluvium. Gold is sifted out of the gravel by a massive tumbler inside the dredge, and the resulting gravel is deposited behind the dredge. More than 4,000 m3 of gravel and sand is ...

 · Although the impact of gold mining on local environmental quality is largely negative 6, 7, the impacts on local communities are less clear-cut, with communities experiencing both costs...

In the mountainous headwaters of the Yeroo River, tributary drainages undergoing mining had TP concentrations 8 to 15 times higher than the main stem. TSS was 7 to 12 times …

It pollutes water and land with mercury and cyanide, endangering the health of people and ecosystems. Producing gold for one wedding ring alone generates 20 tons of waste. Poisoned Waters Gold mining can have devastating effects on nearby water resources. Toxic mine waste contains as many as three dozen dangerous chemicals including: …

A systems dynamics (SD) model was developed to simulate the impact of gold mining on water quality, focusing on groundwater contamination risk, within the context of competing developmental priorities around water resource development and the socio-economic gains from gold mining.

The focus of this research work is on the determination of the impact of mining on the groundwater quality in the historical mining region of SW Ashanti region in Ghana. This work describes the characteristics of the groundwater chemistry and pollution of the aquifer in the gold-ore bearing formation, which is highly weathered and fractured.

 · The chemical analysis of the samples showed that the major elements resulting from mining activities has also impaired the groundwater quality as there is high …

The focus of this research work is on the determination of the impact of mining on the groundwater quality in the historical mining region of SW Ashanti region in Ghana. This …

Earthworks (2004) stated that gold and precious metals mining can come at expense of communities and the environment. Long term effects include acid mine drainage, regular disposal of toxic waste such as cyanide used in leaching gold from ore and mercury used to purify gold and/or soupy semi-solid mine waste (tailing) on water resources.

 · One mined ounce of gold from mined ore has the potential to create 20 tons of solid waste using significant amounts of mercury and cyanide. Gold mining causes the potential of significant environmental impacts to water, soil, air, and habitats because of the numerous amounts of risks and incidents that can take place.

Data of 623 surface water and groundwater samples collected in the west and south Birrimian of Mali from 2002 to 2010 were used. Among these more than 200 samples were collected in gold mine sites as well as some artisanal gold extraction sites. The chemical species analysed were major anions and cations as well as, Cu, Fe, Mn.

T08:07:43+00:00 Impact of mining activities on ground water quality status ... Impact of mining activities on ground water quality status, Dareta Village, Zamfara, Nigeria *1Udiba Udiba. ... mined by artisans in the state for Gold extraction which necessitated an immediate remediation of the affected ...

 · Gold mining generates trace elements in the environment that are often associated with adverse effects on human health. This study determines trace elements …

 · chemical form of the metal contaminant influences its solubility, mobility, and toxicity in ground-water systems and depends on the source of the metal waste, the soil …

 · Exploratory modelling of the impact of gold mining on groundwater in a strategic water area of South Africa was undertaken. A systems dynamics (SD) model was developed to simulate the impact of gold mining on water quality, focusing on groundwater contamination risk, within the context of competing developmental priorities around water …

 · Acidic, metal-laden drainage from abandoned coal mines can have substantial effects on aquatic resources. Problems that can be associated with mine drainage include contaminated drinking water disrupted growth and reproduction of aquatic plants and animals the corroding effects of the acid on parts of infrastructures such as bridges

 · The environmental problems arising due to mining activities are Land degradation, Degradation of forest and loss of biodiversity, Soil contamination, Air pollution, Surface and ground water...

 · The Environmental Impact of Mining on Water Resources Next, to plastic pollution, water-pollution problems caused by mining include metal contamination, acid mine drainage, along with increased sediment levels.

 · Mining of mineral sands resulted in the substantial increase of iron levels. The level of increase itself being very site specific. Several processes were identified as being …

Mining has the potential to have severely adverse effects on the environment including loss of biodiversity, erosion, contamination of surface water, ground water, and soil. Impact of Mining on Ground and Surface Waters surface reliefs are rocked, and so on. One of the major effects of mining is its impact on ground and surface waters.

 · Mining of mineral sands resulted in the substantial increase of iron levels. The level of increase itself being very site specific. Several processes were identified as being responsible for such increases. If water were to be extracted from the mined area, additional treatment would be required to remove excess iron.

 · The overall chemical quality analysis of groundwaters showed that 20%, 28%, 40%, 4% and 8% had excellent, good, poor, very poor and unsuitable drinking water …

Abstract.Currently, exploration of gold ores is under discussion in Turkey, without considering its adverse affect on the environment. Studying the adverse affect on environment is extremely important because significant civic activities are already taking place on the geological units that contain gold ore bodies in Turkey. Such an area is …

the interactions between surface- and groundwater systems and the biosphere are delicate and intricate mining affects surface- and groundwater flows in complicated ways, and mining impacts can spread kilometres …

 · Indeed, without preventive measurements, the mining activities can have a negative effect on the environment: hazardous tailings, the mine drainage, infiltration of the polluted liquid effluents in the underground, the degradation of the water quality, and the ecological environment (vegetal and animal biodiversity).

1  · IMPACTS OF GOLD MINING ... significant impacts of mining activity due directly influence in quality of life/health. The impact of mining on surface and groundwater is due to acid mine drainage (AMD), heavy metal and processing chemicals, erosion and sedimentation [2,22,23]. Sulfide–containing minerals, in the

 · In the Witwatersrand Basin–South Africa underground gold mining has largely ceased, but groundwater levels are main - tained below 'environmentally critical' levels by pumping and treatment prior to discharge or utilization.

Land, water, and air pollution are all a byproduct of goldmining through the cyanide heap-leaching method. Gold mining disrupts the landscape, the water table, the geological stability and the surrounding ecosystems because large amounts of ore have to be removed to get small amounts of gold.

 · The waters of the gold mining zone were acidic to slightly basic (5.1–8.1), weakly conductive (28.2–40 µm cm −1 ), turbid (29–721 NTU) and polluted by suspended solids …