-
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...
- 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...
-
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...
- A
photomicrograph of a thin
section of a
limestone with
ooids. The
largest is
approximately 1.2 mm in diameter. The red
object in the
lower left is a...
-
Carbonate ooids on the
surface of a limestone;
Carmel Formation (Middle Jur****ic) of
southern Utah, USA.
Largest is 1.0 mm in diameter....
-
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...
- dictionary.
Oolitic may
refer to: Oolite, a
sedimentary rock
consisting of
ooids Oolitic, Indiana, a town
whose name came from the
underlying limestone Oolitic...
