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

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
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.
Firstly, if the Carboniferous formation had constituted elongated, uprised horst, the style of tectonic deformation would have to be at least partly symmetric relative the axis of such a horst.
The actual carboniferous formation consisted of layers of coal, sandstone and a few thin layers of clay stone.
Ichnology of the Upper Mississippian Hartselle sandstone of Alabama with notes on other Carboniferous formations. Geological Survey of Alabama Bulletin, 158, pp.
Based on its stratigraphic features and structural position, the Selerpe series can be correlated with these Carboniferous formations.
Below the Carboniferous formations there are Lower Paleozoic formations, covered with Devonian and Lower Carbon limestone formations (Carboniferous limestone).
CO2storage in carboniferous formations and abandoned coal mines; proceedings.
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.
In the southwestern part of the USCB in Poland (impenetrable for water) Carboniferous formations are covered with a thick layer of impermeable rocks.