Middle Cretaceous


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Related to Middle Cretaceous: Middle Cambrian, Middle Jurassic, Middle Triassic

Middle Cretaceous

[′mid·əl krə′tā·shəs]
(geology)
The geologic epoch between the Upper and Lower Cretaceous, beginning approximately 120,000,000 years ago.
References in periodicals archive ?
2A-E) from the middle Cretaceous (Cenomanian) Woodbine Formation at the Arlington Archosaur Site, northeastern Tarrant County, Texas, and one SMU specimen from Woodbine exposures in the Lake Grapevine spillway (Fig.
Additional production is possible from the Upper Cretaceous Shiranish limestone (27[degrees] API oil) and the Middle Cretaceous Qamchuqa limestone.
A paucity of large theropod taxa from the middle Cretaceous of North America and Europe severely hampers a detailed assessment of biogeography of this age.
Middle Cretaceous, Spanish and French localities were especially well represented in the contributions of the research groups of X.
Middle Cretaceous deposition closed with some up-lift and renewed subsidence resulting in the deposition of the Late Cretaceous Aruma Group.
It went on stream in 1953, and its Middle Cretaceous reservoir proved to be water-wet.
It has similar Lower and Middle Cretaceous (L&MC) Fms.
MPC), has produced since 1955 from Cretaceous carbonates: the fractured Shiranish marly limestone of the Maestrichtian/ Campanian (Upper Cretaceous) age where 32[degrees] API, 3% sulphur oil has been depleting; and the Middle Cretaceous Qamchuqa Fm (29[degrees] API oil, 2.
A naturally fractured field, Fahud has Lower and Middle Cretaceous Fms.
It has produced from the Middle Cretaceous Wara and Nahr Umr sandstones, mostly 31.
It also has oil accumulations in an Upper Cretaceous fractured Shiranish limestone and a Middle Cretaceous Qamchuqa limestone.
AOC) of Japan, is a 10x7 km field containing sour oil and over 35 TCF of non-associated gas from a Middle Cretaceous formation.