-
Retrieved Feb 15, 2012. Sigleo, Anne (1978). "Organic
geochemistry of
silicified wood,
Petrified Forest National Park, Arizona".
Geochimica et Cosmochimica...
- for silicification. Some
examples are
silicified limestones of
Miocene Astoria Formation in Washington,
silicified ignimbrite in El
Tatio Geyser Field in...
- S****n
stones are
silicified sandstone blocks found in
quantity in
Southern England on
Salisbury Plain and the
Marlborough Downs in Wiltshire; in Kent;...
-
Silicified (replaced with silica)
fossils from the Road
Canyon Formation (Middle
Permian of Texas)...
- and
Equisetum laterale from the
Early to
Middle Jur****ic of Australia.
Silicified remains of
Equisetum thermale from the Late Jur****ic of
Argentina exhibit...
- such as
holes bored by
crustaceans or
molluscs and that this
becomes silicified. This
hypothesis would certainly explain the
complex shapes of
flint nodules...
-
official state rock is
bituminous coal, and the
official state gemstone is
silicified Mississippian fossil Lithostrotionella coral. The
limestone also produced...
-
lacustrine deposits,
interbedded in the
basalt formations,
contain a
range of
silicified mollusc fossils. In the
Antalo Limestone:
large Paracenoceratidae cephalopods...
- to the
fresh lime
plaster using a
fresco technique,
whereby the
colours silicify with the
plaster in a
chemical reaction and the
paintings are thus able...
-
April 2023. Liljedahl,
Louis (January 1985). "Ecological
aspects of a
silicified bivalve fauna from the
Silurian of Gotland". Lethaia. 18 (1): 53–66. doi:10...
