Upper Permian

Upper Permian

[′əp·ər ′pər·mē·ən]
(geology)
The latest epoch of the Permian period of geologic time, beginning about 245 million years ago.
References in periodicals archive ?
In these ranges the Upper Permian to Middle Triassic is represented by mixed siliciclastic carbonate sediments, named (in ascending order) the Chhidru, Mianwali, and Tredian formations.
Preliminary study of the sequence stratigraphy of Upper Permian Lucaogou and Hongyanchi Formations on the southern edge of Jungar Basin.
The main target consisting of Upper Permian spiculites and carbonates was encountered and cored, but the reservoir quality was poorer than expected.
Escopeta Oil and Gas now plans to begin drilling the Cogdell number 1-02 well to test the Upper Permian Cogdell Formation.
However, in the vicinity of the study area the Upper Permian (Choiyoi Group and equivalents) is clearly extensional and unconformably covers the Gondwanan structures (Heredia et al.
The Kazan AND Tatar of Upper Permian sediments are most common.
Rocks of upper Permian age that contain a large fusulinid fauna occur in a narrow belt that extends from the eastern part of the Mediterranean Sea of Africa and Europe, across Asia Minor, across southern Asia and Japan, from British Columbia to Oregon in northwestern North America.
The Upper Permian sedimentary sequence in the area being studied included limestone continuing with dolomite; limestone has been assig ned to the Jamal Formation.
3 million years ago, which coincides with the time range of the Upper Permian to Triassic period that overlapped or followed shortly after the end of Permian extinction.
By analogy with the Korat syncline, a complex system of graben may be present and may be filled with Upper Carboniferous to Lower Permian and Upper Permian to Middle Triassic terrigenous-carbonate and volcanoclastic units, with a total thickness exceeding 1000m.
The following Upper Permian to lower Triassic period comprises fluvial and aeolian deposition (Lorenc and Mroczkowski, 1978; Zajic, 1998).

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