Results 21 to 30 of about 43,967 (245)
Clarification and Changes in Permian Stratigraphic Nomenclature in Kansas [PDF]
, 2008 This paper outlines Permian nomenclature changes to Zeller (1968) that have been adopted by the Kansas Geological Survey. The Permian System/Period, Cisuralian Series/Epoch, and Asselian Stage/Age are established at the base of the Bennett Shale Member ...
Franseen, Evan K. +4 more
core +3 more sources
Energy Exploration & Exploitation, 2018 Studies have found that the Permian is another important stratum for petroleum exploration except the Jurassic coal measures within Turpan–Hami Basin recently.
Jian Song +15 more
doaj +1 more source
The Middle and Upper Permian Deposits in Gorski Kotar: Facts and Misconceptions
Geologia Croatica, 2010 The frequent occurrence of sandstones and other coarse-grainedsedimentary rocks in Gorski Kotar indicates molasse type sedimentationas a consequence of the intensive erosion of all uplifted terrain ina tectonically active area.
Dunja Aljinović, Jasenka Sremac
doaj +1 more source
Climate simulation of the latest Permian: Implications for mass extinction [PDF]
, 2005 This report presents the results of climate modeling research which indicates that elevated levels of carbon dioxide in the atmosphere at the end of the Permian period led to climatic conditions inhospitable to both marine and terrestrial life.
Benton +22 more
core +1 more source
Petroleum Exploration and Development, 2012 Permian-Triassic natural gas migration paths and accumulation patterns in the central-west Sichuan region have been studied by way of examining the three-dimensional shape, light intensity excitation and fingerprint characteristics of aromatic ...
Wei LI
doaj +1 more source
Upper Permian foraminifera from East Greenland
Bulletin Grønlands Geologiske Undersøgelse, 1996 Foraminiferal assemblages recorded from limestones of the Upper Permian Wegener Halvø Formation in the Wegener Halvø, Karstryggen and Clavering Ø areas of East Greenland mostly consist of the nodosariid genera Dentalina, Frondina, Geinitzina and Ichtyolaria, and the miliolid genera Agathammina and Calcitornella.
Pattison, J., Stemmerik, Lars
openaire +2 more sources
Geologia Croatica, 2018 The evaporite deposits examined in this study are located in the central part of middle Dalmatia, Croatia. In this region, Upper Permian evaporite sediments were deposited under favourable conditions onto the Variscan basement around the northern margins
Željko Dedić +2 more
doaj +1 more source
, 1997 The Upper Devonian and Carboniferous comprise a southern and a northern succession separated by the Ancestral Aklavik Arch. The southern succession, deposited in the Mackenzie Basin and the Prophet Trough, consists of Frasnian to Gzhelian strata. The northern succession comprises Viséan to Moscovian strata that onlapped the Yukon Fold Belt from the ...
B C Richards, E W Bamber, J Utting
openaire +1 more source
An Odontogriphid from the Upper Permian of Australia [PDF]
Palaeontology, 2001 A problematic organism, Bowengriphus perphlegis gen. et sp. nov., is described based on two specimens from the Late Permian Rangal Coal Measures of eastern central Queensland. It displays a double‐looped feeding apparatus bearing small conical elements, considered homologous with that of the supposed lophophorate Odontogriphus omalus Conway Morris ...
Alexander Ritchie, Gregory D. Edgecombe
openaire +1 more source
Report of Investigations No. 123 Petroleum Potential of the Palo Duro Basin, Texas Panhandle [PDF]
, 1982 UT ...
Dutton, Shirley P. +2 more
core +1 more source