Results 61 to 70 of about 1,794 (218)

Geological technological innovations and contributions in the exploration and development of the Shenfu coalfield

Meitian dizhi yu kantan
BackgroundThe discovery and exploration of the Shenfu coalfield (i.e., a Jurassic coalfield in northern Shaanxi Province) represent the most significant achievement in China’s coal industry during the 6th Five-Year Plan of the country, marking the onset ...
Limin FAN
doaj   +1 more source

Distribution, Occurrence and Enrichment Causes of Sodium in Middle Jurassic Coal from Zhundong Coalfield, Xinjiang

Minerals
The coal found in the Zhundong Coalfield is highly suitable for power generation and gasification. However, the high sodium content within the coal leads to severe boiler slagging and contamination. Additionally, sodium disperses into the gaseous phase to form haze, adversely affecting the local atmospheric environment.
Yulong Wang, Wenfeng Wang, Wenlong Wang, Piaopiao Duan, Xin He, Qingfeng Lu   +5 more
openaire   +1 more source

Geochemical and Mineralogical Characteristics of the Middle Jurassic Coals from the Tongjialiang Mine in the Northern Datong Coalfield, Shanxi Province, China [PDF]

Minerals, 2019
There is limited information available on the minerals and elements present in the Jurassic coals from Datong Coalfield. This paper investigates the geochemical and mineralogical characteristics of the Middle Jurassic coals from the Tongjialiang Mine using X-ray powder diffraction (XRD), X-ray fluorescence spectrometry (XRF), inductively coupled plasma
Yuan, Tang, Zhang
openaire   +1 more source

A geological fence diagram for England and Wales [PDF]

, 2012
This report contains a brief description of the data and methodology used to compile the National Geological Fence Diagram (NGFD). The NGFD comprises a network of intersecting geological cross-sections covering England and Wales, to a minimum depth of
Ambrose, K., Barron, A.J.M., Hopson, P.M., Mathers, S.J., Myers, A.H., Schofield, D.I., Terrington, R.L., Waters, C.N.   +7 more
core  

Underground mining impact on groundwater in Kuye River Basin, China: A coupling model study

River, Volume 4, Issue 1, Page 106-115, February 2025.
The Kuye River Basin has experienced a rapid depletion of groundwater due to the increased coal production. In this study, by introducing the empirical equations derived from the three zone theory in the coal mining industry in China as a boundary condition, a calculation model was developed by coupling the soil and water assessment tool and visual ...
Shu Li, Yi Jing, Xiangyu Zhang, Fengran Zhang, Qingsong Qi, Ningbo Li, Le Bai   +6 more
wiley   +1 more source

Potential Unconventional Gas Plays in Mature Basin of the Czech Republic [PDF]

, 2016
The presence of unconventional resources has been proven in deeper parts of mature oil and gas provinces and coal basins of the world. In this context, it is worth to focus also on the prospects of unconventional gas production from within hydrocarbon ...
Bujok, Petr, Klempa, Martin, Matýsek, Dalibor, Porzer, Michal, Skupien, Petr   +4 more
core  

Towards a new generation of fluvial facies models for the interpretation of ancient deposits, based on inter‐annual peak discharge variance of modern rivers

Sedimentology, Volume 72, Issue 1, Page 275-329, January 2025.
ABSTRACT Fluvial facies models based on river planform are flawed and not fully fit for purpose. An alternative approach to classifying fluvial deposits is based on river discharge characteristics. A recent paper showed that the co‐efficient of variance of annual peak discharge (CVQp) correlates well with the characteristics of preserved alluvium for a
Christopher R. Fielding, Jan Alexander, Adam Argiro   +2 more
wiley   +1 more source

Differential roof water hazards and comprehensive utilization of mine water in the Dongsheng coalfield

Meitian dizhi yu kantan
ObjectiveThe Dongsheng coalfield exhibits various types of mine water hazards, complex water filling mechanisms, and high water inflow with high total dissolved solids (TDS) content in mining areas.
Haiyu HUANG, Xiang DING, Xi LIU, Jiangwei FAN, Zhuochen JI, Zhaoyang LI   +5 more
doaj   +1 more source

Research on Strata Movement Control in Deep Composite Lithologic Gangue Backfill Mining of Super‐Thick and Weak Cementation Overburden Based on PFC–FLAC Coupling Simulation

Advances in Civil Engineering, Volume 2025, Issue 1, 2025.
In order to alleviate geological disasters such as rock burst, mine earthquake, and surface subsidence and realize the coordinated development of coal resources safe mining and environmental protection in Ordos coalfield, this article proposes a local filling and multiface coordinated mining rock movement control method.
Yonglei Li, Jiangning Gan, Guojian Zhang, Zhiyong Liu, Guangli Guo, Baode Guo, Shuo Sun, Dawei Yin   +7 more
wiley   +1 more source

Geochemical characteristics of Jurassic high-sodium coal in Tatuo Coal Mine, Qinghai Province, China

Energy Exploration & Exploitation, 2023
Sodium in the coals of West China has received persistent attention due to its high contents and severe pollutions’ problems during coal utilization.
Jun Wang, Zewei Wang, Zhi Yu, Panchal Balaji, Jie Shi, Yanli Yang   +5 more
doaj   +1 more source