Results 91 to 100 of about 1,794 (218)

Permian climate change recorded in palynomorph assemblages of Mozambique (Moatize Basin, eastern Tete Province) [PDF]

open access: yes, 2017
Knowledge of Late Permian biodiversity patterns, following the end-Guadalupian crisis, is still in its infancy, since most recent studies have focused on the end-Permian biotic crisis.
Götz, Annette   +2 more
core   +1 more source

How many species of fossil arachnids are there? [PDF]

open access: yes, 2008
The species-level diversity of fossil Chelicerata is summarized for each order. 1952 valid species of fossil\ud chelicerates are currently recognized, of which 1593 are arachnids.
Anderson, L. I.   +3 more
core   +1 more source

A preliminary review of the biostratigraphy of the uppermost Permian, Triassic and lowermost Jurassic of Gondwanaland [PDF]

open access: yes, 1970
Main articleThis 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 ...
Heidi M Anderson John M Anderson
core   +2 more sources

Planning for development: thematic geology maps Bridgend Area [PDF]

open access: yes, 1985
This report summarises the work carried out during Phase 4 of a contract (PECD 7/1/004) commissioned by the Department of the Environment for the Welsh Otlice.
Smith, M., Wilson, D.
core  

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

Geology of the Coventry area: description of 1:25 000 sheets SP 27/37 and 28/38 (excluding SP 38 NE) [PDF]

open access: yes, 1989
This study was commissioned by the Department of the Environment to provide an up-to-date database, including new geological maps, as a foundation for the planning of land use and development.
Bridge, D. McC, Old, R.A., Rees, J.G.
core  

A history of discovery, study and exploitation of coal in Tasmania [PDF]

open access: yes, 1989
The history of discovery of coal in Tasmania. the history of geological work on the coal and the history and methods of exploitation of the coal have been influenced by three main factors: (I) population spread and density, (2) geology, including quality,
Bacon, CA, Banks, MR
core   +3 more sources

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  

Hydrogeochemical processes of groundwater system and its mining-motivated effect in mining areas of Western China

open access: yesMeitan xuebao
The exploitation of coal resources will destroy the aquifer structure, disturb the groundwater system and produce a new water cycle model. As the focus of coal supply and production, the western mining area is short of water resources and fragile in ...
Aoshuang MEI   +9 more
doaj   +1 more source

Permian palynomorphs from the number 5 seam, Ecca Group, Witbank/Highveld coalfields, South Africa [PDF]

open access: yes, 1994
A palynological study of the number 5 seam in the Ecca group has yielded a wide variety of miospores, with a lateral and vertical consistency in their relative abundance, diversity and composition.
Aitken, G A
core  

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