-
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...
-
Silica pseudomorph after gypsum crystals and
silicified serpulid polychaete tubes...
-
Silicified and
mineralized breccia.
Light gray is
mostly dolomite with a
little translucent quartz. Dark gray is
jasperoid and ore minerals.
Veinlet along...
- 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...
- 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...
-
diagenetic cherty nodules, and
stromatolitic limestone and is
intensively silicified. The
hydrothermal alteration,
which created this breccia, has been dated...
- S2CID 233820331. Liljedahl,
Louis (January 1985). "Ecological
aspects of a
silicified bivalve fauna from the
Silurian of Gotland". Lethaia. 18 (1): 53–66. doi:10...
- 065.0101. Schwarzhans,
Werner W.; Jagt, John W. M. (1
November 2021). "
Silicified otoliths from the
Maastrichtian type area (Netherlands, Belgium) do****ent...
