-
ooid cortex. Both in
tangential and in
radial ooids, the
cortex is
composed of many very fine
increments of growth. Some
modern (and ancient)
ooids partially...
-
irregular in shape.
Limestone composed mostly of
ooids is
called an
oolite or
sometimes an
oolitic limestone.
Ooids form in high-energy environments, such as...
- from
ooids,
spherical grains composed of
concentric layers. Strictly,
oolites consist of
ooids of
diameter 0.25–2 millimetres;
rocks composed of
ooids larger...
-
temperature about 3 °C (5.4 °F) and the
salinity by 0.5 per cent.
Cemented ooids are
referred to as grapestone. Additionally,
giant stromatolites are found...
- are
concretionary grains –
typically of
calcium carbonate which resemble ooids, but are more than 2 mm in diameter.
These grains are
approximately spherical...
- to air or water, and its
ooids do not have a
calcite mosaic around the nucleus. Uranium-thorium
dating indicates that the
ooids in the Fort
Dallas and Key...
-
turbulence that
causes ooids to form such
concentric shapes is
indicative of
intensity of the current. The more
circular the
ooids, the
higher the turbulence...
-
describe the
recognisable "grains" in
carbonate rocks.
Examples would include ooids, peloids, oncolites, pellets,
fossil or pre-existing
carbonate fragments...
- of
ooids with some s****y fragments, with a
crystalline matrix,
would be
termed a biooosparite. Thin-section of a
biooosparite with
calcitic ooids and...
-
constraints on the last aragonite–calcite sea
transition from
early Jur****ic
ooids". Facies. 64 (1): 3. Bibcode:2018Faci...64....3V. doi:10.1007/s10347-017-0516-x...
