The Mount Simon Formation extends into the subsurface as far east as western Ohio where it is described as tan, friable, moderately sorted, rounded, coarse- to very coarse-grained, siliceous quartz arenite
with minor heterolithic sandstone-mudstone couplets (rhythmites) and a quartz granule conglomerate (Saeed and Evans, 2012).
Despite color differences caused by hematite staining, these bodies are composed of lithic arenite
sandstone comparable to that in the overlying multistorey bodies.
2002, Organic mats, evaporite pseudomorphs and soft-sediment deformation in quartz arenites
of the Cambro-Ordovician Nepean Formation: GAC-MAC, Saskatoon 2002, Program with Abstracts, [http://gac.
The carbonate always has a different behavior than arenite
, which is more homogenous.
The sediments were affected by minor tectonism which ultimately led to the development of mature sandstones nomenclature as Quartz arenite
and Quartzose arenite
The Unicoi Formation contains basalt flows in its basal units but largely consists of immature conglomerate, arkose and sub-arkosic arenite
The marine unit is characterized by a well-sorted, subrounded, low sphericity, fine-grained quartz arenite
representing sediments of the Princess Anne terrace.
Apparently, scientists first discovered the mineral in 1876 and called it arenite
, which means "blue sky" in Greek.
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The adjacent lithologies of the Horton Group vary from fine-grained, typically micaceous, quartz arenite
to conglomerate or breccia.
The Liard Formation is mainly a calcite-cemented, fine- to medium-grained, well- to sub-rounded to sub-angular, 90 percent quartz arenite
of marine shoreface origin (Hickin and others, 2010).
The TST sandstones are mineralogically quartzose and feldspathic arenite
with the quartz content of 70-85%.
In that structural context, the well-mineralized veins appear to be preferentially developed near the upper contacts of coarsening-upward turbiditic sequences of fine- to coarse-grained quartz arenite
that are interbedded locally with quartz and chert pebble conglomerate (grits).
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
ANALYSIS OF MICROCRACK DENSITY IN FOLDED QUARTZ ARENITE
NEAR KEYSER, WEST VIRGINIA.