-
rocks (claystones, shales, siltstones, sandstones, conglomerates)
interstratified with the beds of coal. In most places, the coal
measures are underlain...
-
peninsula in the
White Sea
Region of Russia. The
fossil outcrop is
interstratified sandstone and is a part of the
Valdai unit of the
Verkhova formation...
- The top of the 11,000 year-old ash fall
deposits interstratified with
paleosols overlying a
channelized debris flow and a
sequence of wet surges...
-
Tuscan alabaster occurs in
nodular m****es
embedded in limestone,
interstratified with
marls of
Miocene and
Pliocene age. The
mineral is
worked largely...
-
identified in
Isinuka clay
namely quartz (SiO2), mica,
calcite (CaCO3),
interstratified illite (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2ยท(H2O)],
aragonite (CaCO3)...
-
weathered material (i.e. corestones). The more
resistant rock is
interstratified with the less
resistant lithologies.
Sandstone and
shale in sedimentary...
-
chiefly of fine-grained gray and bluish-black
slates and gray arkoses.
Interstratified with these, but in far less amount, are
quartzose beds and occasional...
- the
Valentia Slate Formation and the U-Pb
radioisotopic dating of an
interstratified air-fall tuff bed to ca. 385 Ma,
making these tetrapod trackways some...
- quartz-rich of
interlayered red
argillite and
siltite characterized by
mudcracks and
interstratified with
abundant white,
crossbedded quartzite and sandstone....
- In the
Lough Mask
district beds of this age are found, as in Wales,
interstratified with
volcanic lavas and tuffs.
Other localities are
known in counties...
