In this research, the environmental risk (RI) related to MEL existing in three artisanal and small-scale gold-mining areas of Ecuador was evaluated. For this purpose, data of 167 MEL including landfills, mining galleries, tailing deposits, and mineral processing plants from Macuchi, Tenguel–Ponce Enriquez, and Puyango mining areas, …

In a given year, gold mines emit more greenhouse gases than all passenger flights between European nations combined. Gold mining also accounts for 38% of annual global mercury emissions, …

This article is one of three synthesis reports resulting from an integrated assessment (IA) of artisanal and small-scale gold mining (ASGM) in Ghana. Given the complexities that involve multiple drivers and diverse disciplines influencing ASGM, an IA framework was used to analyze economic, social, health, and environmental data and to …

The mining sector in Ethiopia remains underdeveloped, constituting less than 1% of the GDP. Artisanal and small-scale mining (ASM) is a significant source of employment for over 1.2 million people, primarily in rural communities and among urban youth. This study seeks to understand challenges and opportunities for the ASM sector …

The development of a mining method selection model through a detailed assessment of multi-criteria decision methods. In the past decades, attempts were made to build a systematic approach to mining method selection (MMS) Ooriad et al, (2018). This is because MMS is a complex and irreversible process.

As findings indicate in (Table 3) that overall impacts of the mining operations the dehydration of the brook (10.6%), soil erosion (20.8%), and damage of the street (17.6%) are major consequences of the mining operations in study area. Extracting gemstones and gold mining negatively affects the environment through destruction of …

The vast majority propose sustainability indicators unilaterally without considering that the only way to make mining sustainable is by proposing holistic management forms that consider the ...

Using bibliometrics methods, it is possible to analyze the most popular areas of current research activities, trends in topic changes, and research trends in terms of regional countries, authors, highly cited documents, journals, and keywords (Saha et al. 2003). These findings provide a reference for the research in this research field.

1. Introduction. The practice of artisanal and small-scale gold mining (ASGM) is increasing in many low- and middle-income countries (LMICs) mainly due to the rising price of gold and widespread …

Gold mining is a global industry with operations on every continent except Antarctica, and gold is extracted from mines of widely varying types and scale. The World Gold Council and our member companies support the responsible mining and trading of gold from all legitimate sources. Mines and gold mining operations have become increasingly ...

The South African Human Rights Commission estimates that there are between 8000 and 30 000 illegal miners operating in South Africa. According to the Chamber of Mines, roughly between 5% and 10% of South Africa's annual gold production stems from illegal mining.The conditions in which illegal mining occurs have been …

Using a rich dataset consisting of geocoded data combined with detailed information on gold mining activities, we conduct two types of difference-in …

Mining - Prospecting, Exploration, Resources: Various techniques are used in the search for a mineral deposit, an activity called prospecting. Once a discovery has been made, the property containing a deposit, called the prospect, is explored to determine some of the more important characteristics of the deposit. Among these are its size, shape, …

This research compares and measures the topographical and socioeconomic effects of illegal gold mining in Ghana's Ashanti and Eastern Regions over 25 years using satellite remote sensing and ...

A formal large scale gold mining creates job opportunities for many people in the top 15 producing countries. And gold mining is a significant source of exports for some countries like Tanzanian, Ghana, and Papua New Guinea in 2012 (World Gold Council, 2013), and thus, gold is an investment asset (Ferland et al., 2015).

Looking at the importance of mining, despite the fact that it poses a threat to the environment and human health, this chapter provides a preliminary assessment of …

Gold mining has serious negative environmental impacts, especially due to pollution emanating from tailings storage facilities (TSFs, tailings dams, slimes dams). The most important forms of pollution from TSFs are acid mine drainage (AMD) and high levels of potentially toxic elements (PTEs). AMD arises from the high levels of pyrite in the …

The image below is from Google Earth Pro with the WMH Arizona Gold Map and the PLSS section center data from the Mining Claim Research Tools. The colored squares are townships, and are some of Yavapai …

History of Mining in Ghana. There is evidence of gold extraction activities in Ghana as far back as the 7th and 8th centuries A.D., as gold deposits attracted Arab traders into the country.7 These activities were strategically located along rivers where sediments believed to contain deposits of gold were washed constantly to separate the …

The contribution of minerals and mining to gross domestic product and exports reached a maximum at the peak of the mining boom in 2011. Although the figures for mining's contribution had declined for most countries by 2014, the levels were still considerably higher than in 1996.

open access. Highlights. •. This study describes big data analytics technique using a newly developed mining geochemistry approach for gold exploration. •. Multi …

Som e mining sites have also turned into " deserts " as the vegetation cover in those areas has been rem oved. Since small scale gold miners do not have resources to properly manage the environm ...

As a result, this study seeks to investigate illegal gold mining and its environmental implication for climate-smart agriculture in Ghana. The study used a single case study using a mixed-methods ...

For example, after combing almost 120,000 square kilometres of mining areas identified globally using satellite images 5, 6, we found that only 44% of the mines we detected had production ...

One of the attendant results of the decline in mining activity and the economic downturn in 2008 was an increase in the outflow, or seepage, of polluted and contaminated water from the old gold mining areas in Gauteng Province, especially the so-called Witwatersrand Footnote 8 mining basins Footnote 9 of South Gauteng (see map …

In 2015, over 1 million miners participated in gold mining and extraction. Objective: This study aimed to determine mercury health risk in Sudanese traditional gold mining activities area. Method ...

The United States of America and South Africa had the highest research articles published on GMIs despite their ranking in gold production. 1. Introduction. …

Threats and opportunities for post-closure development in dolomitic gold-mining areas of the West Rand and Far West Rand (South Africa) - A hydraulic view Part 2: Opportunities

Increasing artisanal and small-scale gold mining (ASGM) in developing countries has raised health concerns in mining communities. A preliminary health survey was conducted in Thabeikkyin Township, Mandalay Region, Myanmar, in February 2020 to assess the health conditions of an ASGM community. Respiratory function and other …

The best gold prospecting locations in Oklahoma are: Ouachita Mountains. Wichita Mountains. Arkansas River. Bursting with stories of gold rushes and old mining towns, the state provides an intriguing backdrop for those looking to try their hand at finding the precious metal.