- history.
Petrographic evidence for
these calcite sea
conditions consists of
calcitic ooids, lmc cements, hardgrounds, and
rapid early seafloor aragonite dissolution...
- are
bimineralic (layers of
calcite and aragonite).
Ancient ooids can be
calcitic,
either originally precipitated as
calcite (as in
calcite seas), or formed...
- were thus very common,
along with
calcitic ooids,
calcitic cements, and
invertebrate faunas with
dominantly calcitic skeletons.
Biogenic aragonite, like...
- Thin-section of
calcitic ooids from an
oolite within the
Carmel Formation (Middle Jur****ic) of
southern Utah...
-
stone trade, the term
marble is used for any
crystalline calcitic rock (and some non-
calcitic rocks)
useful as
building stone. For example,
Tennessee marble...
-
Originally calcitic crinoid stem (in cross-section)
diagenetically replaced by
marcasite in a
siderite concretion;
Lower Carboniferous....
- Calpionellids, an
enigmatic group of
planktonic protists with urn-shaped
calcitic tests briefly abundant during the
latest Jur****ic to
earliest Cretaceous...
- used by the
ancient physicians for the sake of its
carbonate of lime. The
calcitic s**** is
situated beneath the
hinder part of the shield, and is perceptible...
-
named for the
river over it. Much less permeable, this
formation is
highly calcitic and is
composed of
sandy s**** marl, clay, and sand.
Water underneath the...
- Platyceramus. The s**** of the
genus are
known for
being composed of
prismatic calcitic crystals that grew
perpendicular to the surface, and
fossils often retain...
