Life cycle assessment of opencast coal mine production: a
The previous studies on opencast coal mine using LCA were focused on single process, including mine haulage options (Awuah-Offei et al. 2009) and the selection of mining technologies (Chinh et al. 2007; Mangena and Brent 2006; Stanek et al. 2015); however, there was only a few research that were concerned on the whole opencast coal mining ...
Life cycle assessment of opencast coal mine production: a …
Moreover, mined land reclamation was an important process in opencast coal mine production; however, it was rarely considered in previous research. Therefore, this study attempted to perform a whole environmental impact analysis including land reclamation stage using life cycle assessment (LCA) method. The Yimin opencast coal mine was …
Hybrid opencast/underground process to mine Kuzbass …
PDF | On Jun 3, 2019, VA Fedorin and others published Hybrid opencast/underground process to mine Kuzbass coal deposits | Find, read and cite all the research you need on ResearchGate
(PDF) Selection of opencast mining equipment by a multi …
Bimal et al. (2002) applied a multi criteria decision making process to select opencast mining equipment. Elevli et al. (2002) selected a new vertical shaft or ramp system by comparing the ...
Open-Pit Mining Definition | Anglo American
What is open-pit mining? Open-pit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. Open-pit mining …
Open-Pit Mining | Method and Process | Epiroc
Open-pit mining clearly offers a number of economic advantages over underground mining, especially now that mineral-processing technology has advanced to the stage where very low-grade ores can be treated profitably. 100 to 150 years ago, this was not the case, and mining was still much more selective.
Spontaneous succession on opencast mining sites: …
ecological restoration of affected regions. Mining areas represent about 1% of the world's land area, and in particular, surface lignite mining and associated extensive disturbances influence biodiversity over large areas (Cardoso da Silva & Vickery 2002; Hu¨ttl & Gerwin 2005). A process of technical reclamation has been commonly
Spontaneous succession on opencast mining sites
species richness and rarity. In total, 72 species (listed in Table S1) entered into the analysis. Site age and management history significantly affected both species richness and rarity (Table 1).Species richness increased with age (estimate = 0·17 ± 0·030) for both reclamations and successions, while successions were richer in all …
Open-Pit Mining Definition | Anglo American
Open-pit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. ... This step in the mining process is critical to ensuring the sustainability of the land for future use. First, waste dumps are contoured to flatten them out and stabilize them. If the ore contains sulfides, it ...
Open-Cast Mining: Profit at the Expense of Our Environment
The Process of Open-cast Mining: Exploration and Planning: Geologists identify and map valuable mineral deposits near the surface. Teams create detailed …
Opencast Mining
The open-pit or open cast mining method is the obvious choice for a property with wide area of mineralization exposed or exists close to the surface and continues to greater depth. The open pit is opening the orebody from the surface by separate removal of ore and …
Open Pit Mining
Open-pit mining, also known as opencast mining, open-cut mining, and strip mining, means a process of digging out rock or minerals from the earth by their elimination from an open pit or borrow. Great mining is mainly considered by mining companies product equipments like as Aluminum, copper, gold, mercury, etc.
Underground and Opencast Coal Mining Methods in India: …
Coal is one of the most essential resources of a country. It is widely used for power generation and as a raw material in the industries. India ranks third in coal production. However, the country has to import coal in order to meet the rising demand for coal. In India, coal mining is conducted using two methods: underground and opencast …
What is Open Cut Mining? How does it work? What jobs are …
The process of open cut mining involves several distinct steps. Firstly, a resource-rich area is identified through exploratory surveys and drilling. Once a viable site is …
Opencast Mining
Opencast mining courses This form of mining differs from extractive methods that require tunnelling into the earth, such as longwall mining. Open-pit, open-cast, or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.
(PDF) Mining Methods: Part I-Surface mining
Surface mining; Classification of surface mining methods together with the desired parameters/ conditions suitable for their applications; Open pit mining; Classification of quarrying methods ...
Surface Mine Development | SpringerLink
The principal purpose of opencast mining-extraction of minerals from the earth with simultaneous removal of a large volume of capping and enclosing overburden rock-can only be achieved with a clear-cut and highly efficient organization of the leading and most expensive process of opencast mining-transfer of the mined rock from …
Selection of opencast mining equipment by a multi-criteria …
(2002). Selection of opencast mining equipment by a multi-criteria decision-making process. Mining Technology: Vol. 111, No. 2, pp. 136-142.
Detecting the effects of opencast mining on ecosystem …
Opencast mining throughout the life of mine, from exploration and development to post-closure, have been ... [- 4]. Dur ing the mining process, on the one hand, mining causes direct damage to the surface ecosystem [3], on the other hand, it also disrupts the original water cycle process, ... age land were combined as unused land based on the ...
Dynamic Changes in Carbon Sequestration from Opencast Mining Activities
Opencast coal mining causes serious damage to the natural landscape, resulting in the depletion of the carbon sequestration capacity in the mining activity. There are few studies on the variation of carbon sequestration capabilities caused by land use changes in opencast mining areas. This paper uses six images were used to quantify …
opencast mining | Encyclopedia.com
opencast mining Stripping surface layers from the Earth's crust to obtain coal, ores or other valuable minerals. Dragline excavators strip away surface layers and mechanical shovels distribute minerals and spoil. The minerals are carried away for grading and processing. In some countries, owners of opencast mines are required to restore the …
(PDF) Copper mining and smelting in the British Bronze Age: …
In book: Mining for Ancient Copper Essays in Memory of Beno Rothenberg (pp.418–434) Chapter: 29; Publisher: Eisenbrauns: Winona Lake, Indiana and Emery and Claire Yass Publications in ...
Reclamation of Degraded Landscapes due to Opencast Mining
1. Introduction. Even though it is regarded as a crucial economic activity worldwide, mining has a significant negative impact on environment. Due to its nature, especially opencast mining inevitably leads to serious degradation on ecological and aesthetic values of the landscape.
Detecting the effects of opencast mining on ecosystem …
Study area. The study area is located in Dongsheng District, Ordos City, Inner Mongolia Autonomous Region, China, in Junger and Yijinholo Banners, where the Dongsheng and Junger coal fields are distributed, and the mining method is mainly opencast mining (Fig. 1).From 2002 to 2012, rising coal prices in China drove the large …
Effect of opencast mining on soil fertility
In the process of opencast mining, several changes occur in physical, chemical, and microbiological properties of soil as a result of mining and storage. ... Different age classes of mine soil ...
Opencast Mining (Quarrying): Methods, Advantages
Opencast mining or quarrying of minerals is easier than mining by underground methods. During quarrying the alluvium and rocks below which the minerals lie, are removed and …
Zizwe Opencast Mining offers a comprehensive range of opencast mining …
With over 150 years of experience in the Mining Industry, Zizwe Opencast Mining offers a comprehensive range of opencast mining services, including crushing +2713 244 1226 Contact us
12.10: Open-Pit Mining
Open-pit mining, or open-cast mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. This form of mining …
Surface Mine Development | SpringerLink
The regime of mining work is understood as the time sequence of accomplishment of stripping and mining work which ensures planned, safe and …
Effect of opencast mining on soil fertility
In the process of opencast mining, several changes occur in physical, chemical, and microbiological properties of soil as ... different age classes (1, 3, 4, 6, 9 and 10 y old) of mine soil dumps around the working coal mine, which were not vegetated, were also collected. From each