- when soft, are
often called marls. Similarly,
argillaceous sandstones such as greywacke, are
sandstones consisting primarily of
quartz grains, with the...
- the base,
followed by a
calcareous sandstone member,
marine shale,
glauconitic sandstone and salt and
pepper sandstone. An
additional non-marine sequence...
- environment.
Bentonite is
present in the shale, and it is
interbedded with
sandstone,
siltstone and conglomerates. The Fort St. John
Group occurs in the subsurface...
-
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...
- G. Lintner,
circa 1939. The site was
recorded as bone-bearing
argillaceous sandstone overlaying Ocala Limestone containing macrofossils. "The
bones are...
-
consists of
muddy siltstone in
thick beds
interbedded with red
argillaceous sandstone. The
lower two
thirds of the
upper portion of the
formation consist...
- 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"...
-
Burgsvik Sandstone and the
Burgsvik Oolite. The beds
consists of thin to very
thick layers of a
light grey, fine
grained argillaceous sandstone, containing...
- to
medium grained argillaceous sandstone, dark shale, ironstone, greywacke, shale, siltstone, coal and dark
shale with thin
sandstone and
siltstone stringers...
