Carboniferous formation

(Geol.) the series of rocks (including sandstones, shales, limestones, and conglomerates, with beds of coal) which make up the strata of the Carboniferous age or Carboniferous period. See the Diagram under Geology.

See also: Carboniferous

References in periodicals archive ?
Jerzy Maciolek, Vice President of International Exploration, commented, "The Gorka Duchowna-1 well intersected 200 meters of tight Carboniferous formation, with shows of gas that warrant fracking in the zones of better sand development.
The well has a planned total depth of 4,700 metres and the principle target was anticipated a depth of around 4,390 metres, in the middle Carboniferous formation.
Also a new Deep Well A6, with a planned total depth of 4,700 m, will target the middle Carboniferous formation of the South Emba sub-basin from 4,390 m, with a target in the Permian formation at 4,120 m.
Based on log analysis, this well encountered three potentially significant zones with a total of approximately 215 feet of potential net pay in the Lower Carboniferous formation.
CO2storage in carboniferous formations and abandoned coal mines; proceedings.
Int'l Workshop on CO2 Storage in Carboniferous Formations and Abandoned Coal Mines (2011: Beijing, China) Ed.
The Bairds concentrated on Carboniferous formations but made their most significant discovery in rocks regarded as Lower Permian: a bonebed in the Nineveh Limestone at Clark Hill in Monroe County, Ohio (Berman 1978).
Descriptions of two new species of Crustacea, fifty-one species of Mollusca, and three species of crinoids, from the Carboniferous formations of Illinois and adjacent states.
The Biberach licence covers an area of 266,073 acres and has less historic data than the first area, but the directors of Rose believe that it has similar target zones: (a) shale oil in Tertiary black shales (Schoeneck shales); (b) shale oil in Lower Jurassic Posidonienschiefer black shales; and (c) possibly shale gas and tight gas from Early Permian & Upper Carboniferous formations.
The Nova Scotia deposits are usually found in faulted basins overlying a range of Carboniferous formations, or in sinkholes within Windsor Group evaporites.
Drilling objectives are multiple tight gas sands contained in Carboniferous formations at depths ranging from 2,000 feet to 4,500 feet.