Estimations of limestone resources using three dimension …

Paper • The following article is Open access. Estimations of limestone resources using three dimension block kriging method, a case study: limestone sediment at PT Semen …

Enhancing rock fragmentation assessment in mine blasting …

The optimization of blasting operations greatly benefits from the prediction of rock fragmentation. The main factors that affect fragmentation are rock mass characteristics, blast geometry, and explosive properties. This paper is a step towards the implementation of machine learning and deep learning algorithms for predicting the extent of fragmentation (in …

International Journal of Mining Science and Technology

This paper deals with the above mentioned issues, illustrating a rational approach applied on the case of a large limestone quarry where the thickness of the overburden is relevant and the spoil material has to be dumped in a flooded pit. The proposed multidisciplinary approach led to the selection of most suitable methods for

Stability Analysis of an Underground Limestone Mine …

This paper was selected for presentation at the symposium by an ARMA Technical Program Committee based on a technical and critical review of the paper by a minimum of two …

Semantic information extraction and search of mineral …

The future development of our method involves the following three aspects: 1) finding more accurate methods for topic extraction to extract mineral resource topics and fusing the association between topic graphs and knowledge graphs to provide more accurate and intelligent services for mineral resource semantic queries; 2) mining more hidden ...

A new query expansion method based on query logs mining …

This paper presents a simple and intuitive method for mining search engine query logs to get fast query recommendations on a large scale industrial strength search engine, and combines this method with a traditional content based similarity method to compensate for the high sparsity of real query log data, and more specifically, the shortness of most query sessions.

A review on environmental impact assessment of limestone …

Abstract. Environmental Impact Assessment (EIA) is a superior tool use for assessing environmental changes in the opencast limestone mining region. In mining and its …

Changes in Soil Quality in Limestone Mining Area of

Extraction of limestone is done mainly by adopting opencast method of mining. Mining activities have deteriorated the environment of the area in terms of deforestation, biodiversity loss,

Massive Pillar Collapses in US Underground Limestone …

From 2015 to 2021, five massive pillar collapses occurred at four underground stone mines in the eastern USA. These events resulted in powerful airblasts that damaged mine infrastructure and mobile equipment, seriously injured miners, and disrupted underground travelways. Each of these pillar collapses propagated through the overlying strata, causing a …

A review on environmental impact assessment of limestone mining

Environmental Impact Assessment (EIA) is a superior tool use for assessing environmental changes in the opencast limestone mining region. In mining and its development, there is currently ...

(PDF) Impacts of limestone mining and processing on …

PDF | On Jan 1, 2016, Okunlola I. A. and others published Impacts of limestone mining and processing on water quality in Ashaka Area, Northeastern Nigeria | Find, read and cite all the research ...

Ultimate Pit Limit Optimization Methods in Open Pit …

Abstract Ultimate pit limit optimization plays a major role in the mining industry as it serves as the elementary foundation of all the activities in mine planning. This paper reviews and documents some methods used in ultimate pit limit optimization and gives a clear insight of these algorithms, their functionalities and limitations to open up more research opportunities. The …

A GIS-based method of risk assessment on no. 11 coal-floor …

The no. 11 coal seam in the deep area of Hancheng mining area is mining in recent years, which is threatened by the water inrush from the Ordovician limestone aquifer. Coal-floor water inrush is governed by the water abundance of coal-floor aquifer, the water-resisting performance of coal-floor aquitard, and the pathway connecting the water source and …

A novel environmental restoration method for an abandoned limestone …

The engineering measure, that is, the construction of an artificial slope by using local abandoned construction materials, solved the environmental problems in this quarry and provided site conditions favourable for revegetation, which restored the local ecosystem. In general, exploitation of rock materials, such as limestone or granite exploitation, can cause …

[PDF] LIMESTONE MINING AND ITS ENVIRONMENTAL

Meghalaya, a small state in north eastern region of India is abundantly blessed with coal and limestone. About 9% of the country's total limestone reserves are distributed in the state. Mining is carried out by open cast method of mining which is taking place at both large scale and small scale levels. The limestone mined is used chiefly for the manufacturing of cement, lime and …

Critical Evaluation of Industrial Mineral Mining Methods …

traditional mining methods in Sri Lanka. 1.2 Mining Method in Bogala Graphite Mine In Bogala Mine, the overhand cut and fill mining method is practised with the deepest operation level of 503 m. Prior to the mining, 1.1 m * 60 m * 60 m (W*L*H) block is defined, including two main levels and two winzes. Then 1.1 m * 2.0 m (W*H) area

Groundwater monitoring of an open-pit limestone quarry: …

The open-pit limestone quarry in this study is located in the mountainous region of Chichibu city in Saitama prefecture, Japan (Fig. 1).The quarry mainly consists of three rock …

DeepQFM: a deep learning based query facets mining method …

Download Citation | DeepQFM: a deep learning based query facets mining method | Search results from the search engine may be not enough to satisfy users' search intent when the issued query is ...

Rock slope stability analysis of a limestone quarry in a case …

Field description of the study area. The National Cement Factory in Ethiopia, a major cement producer, operates a limestone quarry using open-pit mining with a multi-bench system.

An Optimized Open Pit Mine Application for Limestone …

titled "Methodology," and its application to a limestone deposit is covered in the section titled "Description of Case Study Mine." The paper is finished with the sections …

MINERAL MINING TECHNOLOGY Limestone Quarry …

Abstract—A long term production planning of limestone quarry is presented to supply consistent quantity and quality of limestone to a cement plant. A case study from Indian cement industry …

Monitoring and Assessment of Airborne Respirable …

of limestone. Limestone frequently contains magnesium carbonate, either as dolomite or magnesite mixed with calcite, becoming 'dolomitic' or 'magnesian' limestone. Limestone containing a minimum of 45% calcium oxide is generally used in cement manufacture. Most major mining activities directly or indirectly contribute to air pollution. 2

Optimized Burden-Spacing for Improvement of Rock …

The following paper deals with burden-spacing determination with varying approaches for rock excavation in openpit limestone mining. Discover the world's research 25+ million members

Groundwater monitoring of an open-pit limestone quarry: …

The open-pit limestone quarry in this study is located in the mountainous region of Chichibu city in Saitama prefecture, Japan (Fig. 1).The quarry mainly consists of three rock strata: (1) limestone as a covering rock layer, (2) an interbedded layer of limestone and slaty greenstone underlying the covering rock, and (3) slaty greenstone as basement rock (Fig. 2 a).

DeepQFM: a deep learning based query facets mining method

This paper presents a simple and intuitive method for mining search engine query logs to get fast query recommendations on a large scale industrial strength search engine, and combines this method with a traditional content based similarity method to compensate for the high sparsity of real query log data, and more specifically, the shortness of most query …

Quantitative Prediction of Water Volumes Within a

DOI: 10.1007/s10230-016-0394-4 Corpus ID: 131538319; Quantitative Prediction of Water Volumes Within a Coal Mine Underlying Limestone Strata Using Geophysical Methods @article{Yang2017QuantitativePO, title={Quantitative Prediction of Water Volumes Within a Coal Mine Underlying Limestone Strata Using Geophysical Methods}, author={Cai Yang and …

LIMESTONE MINING AND MEGHALAYA, INDIA

method of mining which is taking place at both large scale and small scale levels. The limestone mined is used chiefly for the manufacturing of cement, lime and edible lime etc. Scientific studies ...

Limestone extraction – underground mining …

Limestone is a sedimentary rock comprising about 15% of the earth's sedimentary crust. Limestones are generally mined using the methods of open-pit mining and underground mining based on economic and environmental …

Environmental impact assessment of limestone quarry using …

(PDF) Application of UBC methodology for underground mining method

Learn how to apply the UBC methodology to choose the best underground mining method and reduce operating costs. Read the full PDF on ResearchGate.