- 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 extensively across southern England on the
Salisbury Plain and the
Marlborough Downs in Wiltshire;...
- 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...
-
official state rock is
bituminous coal, and the
official state gemstone is
silicified Mississippian fossil Lithostrotionella coral. The
limestone also produced...
- such as
holes bored by
crustaceans or
molluscs and that this
becomes silicified. This
hypothesis would certainly explain the
complex shapes of
flint nodules...
-
California Orbicular "ocean jasper" (not, strictly, a jasper, but a
highly silicified rhyolite or tuff)
Analalava District Madagascar,
polished slab Orbicular...
-
Stonehenge megaliths include smaller bluestones and
larger s****ns (a term for
silicified sandstone boulders found in the
chalk downs of
southern England). The...
- S2CID 233820331. Liljedahl,
Louis (January 1985). "Ecological
aspects of a
silicified bivalve fauna from the
Silurian of Gotland". Lethaia. 18 (1): 53–66. Bibcode:1985Letha...
-
preserved uncompacted in
three dimensions. The
fossils are
phosphatized and
silicified, thus the
delicate chitinous cuticle and soft
parts are not
affected by...
-
these circular structures was found. Finally,
field observations found silicified sandstone ****s and
igneous rocks, such as syenite, porphyries, tephrites...
