Artisanal and small-scale mining and the low-carbon transition

This issue is gaining prominence in academic circles (Tokimatsu, 2018; Lee et al., 2020), policy-making (Hund et al., 2020, IEA, 2021b) and popular media (The Economist, 2021, The Economist, 2022).A component of the emerging storyline has been the role that artisanal and small-scale mining (ASM) plays in the supply of cobalt, especially from the Democratic …

North Carolina's mineral commodity producing areas

The North Carolina chapter of the Minerals Yearbook Volume II - Area Reports, Domestic - contains data and information on the nonfuel mineral commoodities produced in North Carolina including a generalized map of principal mineral …

North Carolina State Energy Profile

North Carolina rises from its Atlantic Ocean coastline to the highest peak east of the Mississippi River—Mount Mitchell, which stands more than a mile above sea level at 6,684 feet. 1,2 The state is divided into three distinct geographic regions, the Coastal Plain along the southeastern coast, the Piedmont region in the center, and the ...

Artisanal and small-scale mining methods and the Sustainable

PBMA is located in Southwestern Ghana and covers about 50 km north of the coast of the Atlantic Ocean. PBMA is one of the hotspots for ASM operations in Ghana, famous for large-scale underground mining and the co-existence of small- and large-scale mining (Arthur, 2018, Arthur-Holmes and Abrefa Busia, 2022a, Hilson and Hu, 2022). From a ...

Opportunities and challenges for small-scale LNG commercialization

The rapid development of the unconventional gas supply chain in North America could have a game-changing impact on large-scale and mega-gas processing/liquefaction facilities. However, there are relatively fewer risks and, therefore, greater opportunities associated with the development of small-scale gas processing and LNG facilities and ...

Small-scale mining and cleaner production issues in Zambia

Small-scale mining (SSM) has had unprecedented growth in Zambia during the past decade. ... A holder of a gemstone license or SSM license may be compelled to obtain a large-scale mining license if the operations are determined to be large. Table 1. ... air quality, emission standards, water standards, and the storage, handling and processing of ...

Small Scale Mining | The Profits are There — Appropriate …

A large proportion of our clients either are small scale miners who are new to the game, or miners who started out on a small to medium scale mining with APT equipment and have grown from there. This picture was sent to us showing gold recovered with APT's range of small scale mining equipment being used across various small scale mine sites ...

2024 Best Large Colleges in North Carolina

These are the top ranked large, public and private, four-year colleges in North Carolina as ranked by CollegeSimply. These schools all have undergraduate enrollment over 15,000. Leading the list for 2024 is Duke University .

Characterising the interface between large and small-scale mining

Current debates about mining and development emphasise dilemmas of the small-scale miner (Tschakert, 2009; Fisher, 2008; Tschakert and Singha, 2007), assuming that the commercial interests of large-scale miners are understood in exchanges between the sectors.

Sequential multi-scale modelling of mineral processing …

Sequential multi-scale modelling of mineral processing operations, with application to flotation cells q ... a a b CSIRO, Mineral Resources, Bayview Ave., Clayton, Vic 3169, Australia Macquarie University, 2 Technology Place, North Ryde, NSW 2109, Australia a r t i c l e i n f o Article history: Received 6 August 2015 Revised 23 September 2015 ...

Appropriate Process Technologies | Small to Medium Scale Mineral

small scale and medium-to-large scale mineral processing equipment. cost effective and efficient solutions for alluvial, eluvial, hard rock, tailings and combinations of feed types. apt specialise in gravity concentration, cyanidation and flotation systems. ... medium to large scale processing equipment. gk-x concentrator . rg scrubber (10tph ...

Is collaboration possible between the small-scale and large-scale

Artisanal and small-scale mining (ASM) is an important livelihood activity for millions of people across the globe. Often, small-scale miners operate in, or adjacent to large-scale mining (LSM ...

Top 12 Independent Mining Companies in the U.S.

With industrial growth in the U.S., mining and extraction has played a dominant role in the country's development over the years. Some large-scale independent companies have risen to prominence, making their mark on the global stage …

(PDF) Artisanal and Small-Scale Gold Mining in Ghana

Since the enactment of the Small Scale Gold Mining Law in 1989, which effectively legalized small-scale gold mining in the country, industrial operations, collectively, have made important ...

Source: NORTH CAROLINA STATE UNIV submitted to

There is a need for development of novel post-harvest processing techniques aimed at reducing operating costs and/or adding value to seafood to enhance marketplace viability. The health risk associated with consumption of raw or undercooked oysters is an ongoing concern for consumers. Found in oysters, environmental pathogenic Vibrio bacteria species are major …

Mineral Commodity Files

The North Carolina Geological Survey (NCGS) has many older mineral resource commodity files. These literally cover commodities from "A" to "Z". While these files are by no means …

Rocks, Minerals, and Gemstones Found in North Carolina

Amethyst is also a quartz crystal, just with purple coloration.While debated a bit, the color appears to come from iron trapped in the color centers of the crystal. With heat, pressure, and an amount of time best described as geological the iron impurities in the silica-laden gel that becomes quartz is trapped, creating a timeless purple crystal.

Maturing the concept of small-scale mining (SSM) in the Global North

The literature about SSM in the Global North is limited to research of: 'modern small-scale mining' in medium income nations in Europe (Moore et al., 2021; Sidorenko et al., 2020; Sydd et al., 2022, 2023); technological innovations for mechanically separating fine gold from Yukon ores (Clarkson, 1994); how technology might be diffused in the Global South (Clarkson …

Gold in Ghana: The effects of changes in large-scale mining on

Conflicts have increasingly arisen between the large-scale mining companies, which have legally acquired their mining concessions, and the numerous small-scale or artisanal miners operating illegally in the large-scale mining concessions (Hilson, 2002a, 2002b; Nyame and Blocher, 2010; Nyame and Grant, 2014; Geenen, 2014; Andrews, 2015).

Mineral Resources | NC DEQ

This section highlights activities of North Carolina's mineral industry and the state's mineral resources.

Large and artisanal scale mine development: The case

In 2009, the World Bank published Mining Together: Large-Scale Mining Meets Artisanal Mining (World Bank, 2009), a colorful document which shares ideas on why "Large-Scale Mining (LSM) companies [have] increasingly come across Artisanal and Small-scale Mining (ASM) workers during their exploration or production activities in the developing world" (p. 7). 1 …

Sequential multi-scale modelling of mineral processing …

This means that there is a lack of control at the critical scale of phase interactions. Consider, for example, the specific case of droplet–droplet collisions in a large stirred tank. Mixing energy is input to the vessel at the large scale, and is conveyed through a turbulent cascade down to small scales at which the collisions can be caused.

Rethinking the concept of small-scale mining for technologically

Throughput of an onsite processing plant at a small scale mine may be between 5 and 50 tonnes per hour. ... limits could favour SSM by sophisticated and light technologies on large deposits, as well as on small mineral and ore deposits. ... scale mining" in relation to the current dual mining paradigm of large-scale and artisanal small-scale ...

MRL Services and Capabilities

The relevance of water recirculation in large scale mineral processing

A reference value for E ˜ TTU = 0.7 J / kg solids has been estimated from data related to large scale copper district in North Chile (Rayo et al., 2009), ... large scale plants have higher energy requirements that small scale ones. This unavoidable effect is a consequence of both the nonlinear dependence of the consumed hydraulic power with ...

Pastured Pork for Small Farms in North Carolina

Pastured Pork for Small Farms in North Carolina | 1. Introduction. Pigs are among the most popular meat animals raised by small and beginning farmers. Many different sizes and types of farms make for good pig production. With proper planning and management, small farmers can often adapt their farm's existing fields, woodlots, sheds, and other

Tantalum supply from artisanal and small-scale mining: A mineral

Efficiency of Mineral Processing in Rwanda's Artisanal and Small-Scale Mining Sector 978-3-94, Federal Institute for Geosciences and Natural Resources, Hannover, Germany ( 2017 ) Available online at

Minerals Research Lab Reports

The Minerals Research Laboratory is a world leader in research, development, and implementation of mineral processing techniques. The MRL is part of the North Carolina State University College of Engineering, under the …

Technical Report Mercury-free techniques for the processing …

This is a technical report focusing on mineral processing, and the intent of this report is to present results of mineral processing test work undertaken by the project in Mauritania . The report does not rely heavily on literature review, references, or …

From Ore Body to High Temperature Processing of Complex …

HIGH TEMPERATURE PROCESSING OF COMPLEX ORES From Ore Body to High Temperature Processing of Complex Ores: Manganese—A South African Perspective JOALET DALENE STEENKAMP,1,2,3 DESHENTHREE CHETTY,1 ASHMA SINGH,1 SUSANNA ALETTA CAROLINA HOCKADAY,1 and GLEN MICHAEL DENTON1 1.—MINTEK, Johannesburg 2125, …