Results 91 to 100 of about 1,800 (220)

The stratigraphy of the Penarth Group (Late Triassic) of the East Devon coast [PDF]

open access: yes, 2008
The cliff and foreshore exposures in the Devon part of the Dorset and East Devon Coast World Heritage Site expose an unbroken late Triassic to early Jurassic succession.
Gallois, Ramues W
core  

Logging identification of karstified Jurassic conglomerate aquifer in the Zhuxianzhuang coal mine: implications for water abundance heterogeneity and mining risk mitigation

open access: yesFrontiers in Earth Science
The Jurassic conglomerate aquifer in the coal seam roof of Zhuxianzhuang Coal Mine in the Huaibei Coalfield exhibits significant karst and water-rich heterogeneity, and its geological patterns remain poorly understood.
Zhu Guanyu   +9 more
doaj   +1 more source

Risk assessment of water loss in deep coal seam mining in Jurassic coalfield in Shaanxi and Inner Mongolia contiguous area

open access: yesMeikuang Anquan, 2023
This paper takes Taigemiao Mining Area in the middle and upper reaches of the Yellow River Basin as the research object, analyzes the relationship between the spatial structure of water-bearing(isolated) layer and the development height of water flowing fractured zone, excavates the main control factors affecting the water loss of aquifer in the study ...
SHANG Hongbo   +4 more
openaire   +1 more source

The role of airborne EM methods for environmental applications in different geological terrains [PDF]

open access: yes, 2001
This paper reviews the increasing role of Airborne EM (AEM) methods for environmental purposes in a variety of geological contexts. The ability of AEM data to differentiate geological, cultural and environmental influences is considered using fixed ...
Beamish, D., Mattsson, A.
core   +1 more source

High specific activity of radium isotopes in baryte from the Czech part of the Upper Silesian Basin- An example of spontaneous mine water treatment [PDF]

open access: yes, 2020
Radium-bearing barytes (radiobarytes) have been known since the beginning of the 20th century. They are mainly found as precipitates of low-temperature hydrothermal solutions. In anthropogenic environments, they frequently occur as crusts on oil industry
Alexa, Petr   +5 more
core   +1 more source

Summary of potential oil and gas formations in England for use in groundwater vulnerability assessments [PDF]

open access: yes, 2016
The joint Environment Agency (EA) and BGS project “3D Groundwater Vulnerability” (3DGWV) will develop a methodology for attributing vulnerability of groundwater to pollution from sub-surface oil and gas exploration and production activities, including ...
Loveless, S., Smith, N.
core  

A PRELIMINARY REVIEW OF THE BIOSTRATIGRAPHY OF THE UPPERMOST PERMIAN, TRIASSIC AND LOWERMOST JURASSIC OF GONDWANALAND [PDF]

open access: yes, 1970
This review pager was born out of a desire to visualize in some detail the picture of the evolving Gondwana Triassic landscape and the story of life and ecology upon it; a desire to provide a general setting in which to view the details of the work ...
Anderson, H. M., Anderson, J. M.
core   +2 more sources

Water filling intensity assessment of a coal seam roof in the Dahaize Coal Mine, northern Ordos Basin

open access: yesMeitian dizhi yu kantan
BackgroundAssessing water filling intensity in coal seam floors lays a foundation for the prevention and control of water hazards in mines. However, in the Jurassic coalfield in the northern Ordos Basin, complex hydrogeological structures and sedimentary
Xi LIU   +5 more
doaj   +1 more source

Palaeozoic petroleum systems of the Irish Sea [PDF]

open access: yes, 2016
This report synthesises the results of the 21CXRM Palaeozoic project in the Irish Sea to describe the Palaeozoic petroleum systems of that area. One hydrocarbon play system dominates the basin system: Namurian organic-rich marine shales (Bowland Shale
Gent, C.   +6 more
core  

Primer registro de leño de conifera de la formación Cañadón Asfalto (Jurásico temprano–medio), provincia de Chubut, Argentina [PDF]

open access: yes, 2013
Se describe una nueva especie de madera fósil de conífera, Brachyoxylon currumilii sp. nov., del Jurásico Inferior a Medio de la provincia de Chubut, Argentina.
Bodnar, Josefina   +3 more
core   +2 more sources

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