- 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...
-
Originally calcitic crinoid stem (in cross-section)
diagenetically replaced by
marcasite in a
siderite concretion;
Lower Carboniferous....
- were thus very common,
along with
calcitic ooids,
calcitic cements, and
invertebrate faunas with
dominantly calcitic skeletons.
Biogenic aragonite, like...
- Calpionellids, an
enigmatic group of
planktonic protists with urn-shaped
calcitic tests briefly abundant during the
latest Jur****ic to
earliest Cretaceous...
- Calpionellids, an
enigmatic group of
planktonic protists with urn-shaped
calcitic tests briefly abundant during the
latest Jur****ic to
earliest Cretaceous...
- the
composition of its
calcitic, non-aragonitic skeleton. It is the only
known scleractinian so far to have an
entirely calcitic skeleton. Coelosmilia...
-
March 2018). "Nanostructure, osteopontin, and
mechanical properties of
calcitic avian eggs****".
Science Advances. 4 (3): eaar3219. Bibcode:2018SciA.....
-
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...
- 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...
