-
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...
- such as
holes bored by
crustaceans or
molluscs and that this
becomes silicified. This
hypothesis would certainly explain the
complex shapes of
flint nodules...
-
Silicified and
mineralized breccia.
Light gray is
mostly dolomite with a
little translucent quartz. Dark gray is
jasperoid and ore minerals.
Veinlet along...
- 065.0101. Schwarzhans,
Werner W.; Jagt, John W. M. (1
November 2021). "
Silicified otoliths from the
Maastrichtian type area (Netherlands, Belgium) do****ent...
-
Stromatolites –
laminated microbialites (Precambrian
silicified stromatolite,
Strelley Pool Chert, (Pilbara Craton), W. Australia)...
-
diagenetic cherty nodules, and
stromatolitic limestone and is
intensively silicified. The
hydrothermal alteration,
which created this breccia, has been dated...
-
evidence that
silica is
deposited directly as quartz. Wood can
become silicified very
rapidly in silica-rich hot springs.
While wood
petrified in this...
-
Stonehenge megaliths include smaller bluestones and
larger s****ns (a term for
silicified sandstone boulders found in the
chalk downs of
southern England). The...
