-
Dolomitization is a
geological process where magnesium ions
replace calcium ions in the
mineral calcite,
resulting in the
formation of dolomite. Dolomitization...
- has been
dated from 5 Mya to 0.3 Mya. The
original limestone has been
dolomitised by
magnesium from seawater. The
coral was
raised above sea
level about...
-
surface has been
dated from 5 to 0.3 Ma. The
original limestone has been
dolomitised by
magnesium from sea water. The
coral was
raised above sea
level about...
-
composed of a
series of fine
grained sandstones, silts, mudstones, and
dolomitised limestones. The
sediments were
deposited in a
freshwater influenced low...
-
occur at the
junction of an
argillaceous bioclastic limestone beneath dolomitised Waulsortian limestone. "Galmoy Lead/Zinc Mine".
Mining Technology. Retrieved...
- Top of a
metric regressive cycle with desiccations,
surface of bed
dolomitised.
Middle li****ic of the High Atlas, Morocco. Washover,
ammonites and belemnites...
- shoals. The
summit wall is made of more than 500 m of m****ive,
partly dolomitised limestone belonging to the
Schlern Formation,
which represents the renewed...
-
South Wales Coalfield and in the
south east the rock is
increasingly dolomitised (where some
calcium is
replaced by magnesium). This
subgroup was deposited...
-
Reworked calcretes concretions from the
supratidal environment in a
marine (
dolomitised)
sediment displaced by
hurricanes on the
inner platform flat. Top of...
-
workings have been
traced in the Bryniau,
Poethion and
Pyllau valley. The
dolomitised limestone deposits are rich in
copper which early miners must extract...
