-
Under the
Dunham classification (Dunham, 1962)
system of limestones, a
packstone is
defined as a grain-supported
carbonate rock that
contains 1% or more...
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Wackestone a mud-supported
carbonate lithology containing >10% grains.
Packstone a grain-supported
fabric containing 1% or more mud-grade fraction. Grainstone...
- v t e
Dunham classification rocks Mudstone Wackestone Packstone Grainstone Floatstone Rudstone Bafflestone Bindstone Framestone...
- and cross-bedded
packstone to grainstone,
which are
porous and
therefore less compact. B-5 was a 4 m (13 ft)-thick
layer of
packstone to
wackestone limestone...
- spp.
Nummulitic wacke-
packstone ****ilina wacke-
packstone A
foraminifera Present in
minor quantity in the
nummulitic wacke-
packstone, and as the dominant...
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cream to light-brown or tan,
poorly hardened to very hard, grainstone,
packstone and wackestone, with rare mudstone.
Fossils found throughout but not densely...
- v t e
Dunham classification rocks Mudstone Wackestone Packstone Grainstone Floatstone Rudstone Bafflestone Bindstone Framestone...
- 9 to 9.8 in) thick, is a
basal packstone,
which is also
found widely on the
bottom of
basins in the bay. The
packstone resembles stone that
commonly forms...
- the
Eramosa Formation. This
formation is
typically a
thinly laminated packstone and grainstone.
There are
stromatolite beds as well as
corals preserved...
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predominantly consists of grey-yellow limestone,
typically wackestone and
packstone with
subordinate ooidal grainstone. The
Woodeaton Quarry locality has...
