glauconitic sandstone

glauconitic sandstone

[¦glȯ·kə¦nid·ik ′san‚stōn]
(petrology)
A quartz sandstone or an arkosic sandstone that has many glauconite grains.
References in periodicals archive ?
At 5,249 feet (1,600 meters) the well encountered a glauconitic sandstone unit which produced a 29% mud cut, and caused the well to flow at surface.
The outcrop shows a 4-5 m thick succession of sedimentary rocks beginning with the early Cambrian Tiskre sandstone and ending with the glauconitic sandstone of the Leetse Formation (Arenig) in the upper part of the outcrop.
The top of the bed is strongly eroded, with rather deep vertical burrows filled with glauconitic sandstone from the overlying Leetse Formation.
In the Pakri Cape section the entire glauconitic sandstone unit of the Leetse Formation belongs to the Par.
It may be concluded that glauconitic sandstone representing the Pr.
At 5,249 feet (1,600 meters) the well encountered a glauconitic sandstone unit with flow to the surface.
Fewer than 60 specimens assigned to 18 species were previously recorded from the calcareous glauconitic sandstone of the Maekula Member (Schmidt 1904, 1907; Lamansky 1905; Opik 1937; Balashova 1961, 1966).
The Maekula Member consists of alternating variously dolomitized glauconitic sandstone, calcareous sandstone, and glauconitic sandy limestone, with clay laminae or layers often covering discontinuity surfaces.
One can find the phosphatic Obolus sandstone, including brachiopod bivalves and fragments, radioactive alum shale, glauconite-rich gray bentonite clay and glauconitic sandstone.
At the upstream end of the section, hard, very fossiliferous glauconitic sandstone forms a shoal across the channel (Locality 1).
A few hundred meters downstream, below the mouth of Little Piney Creek, the glauconitic sandstone of the lower portion of the Reklaw Formation (Newby member) is exposed in the right bank of the river (Locality 6).
The 69 Ordovician samples are mainly from Estonia and comprise 27 glauconitic sandstones (Fig.