open cast coal mines in nagaland

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  Ecological response of land use change in a large opencast coal mine ...

  202351 · The conceptual model of ecological response to land use change constructed on this basis can better reveal the dynamic process, action mechanism and changing trend of ecological response. The ecological environment quality of the study area is generally poor, and the ecological environment quality of the poor grade accounts for a …

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  Dynamic simulation of an opencast coal mine: a case study

  20191213 · A surface (terrace) mining operation was planned to be established at the new mine. Cast blast, rollover dozing, and truck and shovel mining processes was planned to be used to remove overburden material to expose the various coal horizons. Coal excavation was planned to be conducted using truck and shovel processes.

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  DESIGN OF STABLE SLOPE FOR OPENCAST MINES

  2009518 · It is due to low gestation perio d, higher productivity, and quick rate of investment. On the contrary, opencast mining attrac ts environmental concerns such as solid wastemanagement,landdegradationandsocioeconom icalproblems.Inadditiontothatalarge number of opencast mines, whether large or small, a re now days reaching to deeper …

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  Opencast Mining - an overview | ScienceDirect Topics

  Coal is mined either by surface methods (open-cut or open-cast mining) or by underground techniques. In surface mining, all of the rock from the ground surface to the top of the seam (material referred to as overburden) is removed and set aside to expose the coal, which is then taken out and transported from the mine for preparation and use ...

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  Evaluation of soil quality of a coal mine affected forest at …

  The present study was conducted at a coal mining affected forest and a non-affected forest to analyze the seasonal changes in soil physico-chemical properties, incorporate additive and weighted soil quality index (SQI) to determine the soil quality and check the affected forest soil pollution status.

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  The five largest coal mines in Indonesia - Mining Technology

  2024618 · The following are the five largest coal mines by production in Indonesia in 2023, according to GlobalData’s mining database, which tracks more than 33,000 mines and projects from early exploration to closure across more than 150 countries and over 100 commodities. Buy the latest mine-site profiles here.

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  Assessment on the Water Quality of Tsurang River, …

  20231210 · open cast coal mining in an unscientific manner has been taking place in large scale, along the adjoining hill slopes and plains of Changki in Mokokchung district.

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  Exclusive Ground report: How illegal coal mining continue in …

  2023119 · An April 2021 report by a one-man commission of enquiry headed by Justice (retired) BP Katakey reported serious violation of the Biological Diversity Act, 2002 by the extensive illegal coal mining that happened between 2003 and 2009 in the Tikok Open Cast Project (OCP) under the Saleki Reserve Forest (SRF), covering areas of …

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