arkosic


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Related to arkosic: bioclastic, arkosic wacke

arkosic

[är′kōs·ik]
(petrology)
Having wholly or partly the character of arkose.
References in periodicals archive ?
Early Cambrian quartz-rich clastic sedimentary successions that overlie latest Ediacaran to earliest Cambrian volcanic and volcaniclastic to arkosic sedimentary rocks of the Belleisle Bay Group occur in all three structural panels within the NRB (Fyffe et al.
Frac sand that is referred to as "Brown" or "Brady" sand Is mined from local quartz arenites that are in the marine subarkosic to arkosic Upper Cambrian Hickory Sandstone Member (Kyle and McBride, 2014).
###Warcha Sandstone###Red and light sandstone and girt, in pads arkosic, clay intetbreects.
Fine-medium arkosic sand surrounding the concretions represents the fill of a south-flowing river channel that eventually smothered the growing forest, uprooting and toppling smaller trees that grew in the area (Fig.
Summary: A laboratory simulation study was carried out to check the possibility of alkaline in-situ leaching of uranium from an arkosic type of sandstone recovered from a specific location at a depth of 300-500 m.
The member was composed predominantly of coarse-grained, light-colored, cross-bedded arkosic sandstone and minor boulder beds.
Geologically, the project area is dominated by arkosic sediments, minor conglomerates and non-outcropping ultramafics (interpreted from aeromagnetics).
(1) with the conglomeratic arkosic sandstone of the Chalky Buttes Member (CBM) of the Chadron Formation (White River Group), which is exposed at numerous buttes in the North Dakota-South Dakota-Montana tri-state area (2).
The aquifer is composed of arkosic sandstones containing siltstone and shaly layers.
The Gowganda Formation is conformably overlain by the Lorrain Formation, which has a maximum observed thickness in excess of 300 m and is cut by an erosional surface; this thickness includes only the lower arkosic unit and not the overlying quartz arenite (Jambor 1971a).