- when soft, are
often called marls. Similarly,
argillaceous sandstones such as greywacke, are
sandstones consisting primarily of
quartz grains, with the...
-
Torridon Group is a
series of
Tonian (lower Neoproterozoic)
arenaceous and
argillaceous sedimentary rocks,
which occur extensively in the
Northwest Highlands...
-
Specimen IVPP V32 was
collected by
Young in 1938 in dark red,
argillaceous sandstone that is
believed to have been
deposited during the
Hettangian stage...
- the base,
followed by a
calcareous sandstone member,
marine shale,
glauconitic sandstone and salt and
pepper sandstone. An
additional non-marine sequence...
-
Burgsvik Sandstone and the
Burgsvik Oolite. The beds
consists of thin to very
thick layers of a
light grey, fine
grained argillaceous sandstone, containing...
- siltstone,
argillaceous sandstone 460 m (1,510 ft)
Monteith Formation Late Jur****ic (Tithonian) to
Early Cretaceous (Berriasian)
quartzose to
argillaceous sandstone...
-
consists of
silty sandstones, with
varying argillaceousness.
Typically intensely bioturbated and with many
bedding structures. "Staithes
Sandstone Formation"...
- pre-Tapeats
Sandstone erosion. The
strata of this
member consist mainly of
interbedded fine grained, slope-forming,
argillaceous sandstone and
sandy argillite...
-
consists of silty,
argillaceous mudstones, silty,
calcareous mudstones, and
dolomitic mudstones and dolomites. The silty,
argillaceous mudstones contain...
-
terms based on
grain size,
avoiding the use of
terms such as "clay" or "
argillaceous",
which carry an
implication of
chemical composition: ψαμμίτης, ψάμμος...
