-
defining a
lithostratigraphic unit. The
descriptions of
strata based on
physical appearance define facies. The
formal description of a
lithostratigraphic unit...
- The
South Wales Coal
Measures Group is a
lithostratigraphical term
referring to the coal-bearing
succession of rock
strata which occur in
South Wales within...
-
above and
below it. In the
classification hierarchy of
sedimentary lithostratigraphic units, a bed is the
smallest formal unit. However, only beds that...
-
chronostratigraphic chronozone.
These correlate with magnetostratigraphic,
lithostratigraphic, or
biostratigraphic units as they are
based on
previously defined...
- ****ociated lithology.
Formally identified lithostratigraphic units are
structured in a
hierarchy of
lithostratigraphic rank,
higher rank
units generally comprising...
-
biostratigraphical indicator is used, then
technically the Lias Group—a
lithostratigraphical division—spans the Jur****ic / Tri****ic boundary.
There are extensive...
- The
Aptian is an age in the
geologic timescale or a
stage in the
stratigraphic column. It is a
subdivision of the
Early or
Lower Cretaceous Epoch or Series...
- this
usage is now
discouraged to make a
clear distinction between lithostratigraphic and geochronologic/chronostratigraphic units. The Late Jur****ic is...
- Grid
Haggerston railway station, in
London Harlech Grits Group, a
lithostratigraphic group in
Wales Heilig-Geist-Gymnasium, a
Christian secondary school...
-
inclusion of iron
oxides (hematite) Old Red Sandstone, a
British lithostratigraphic unit (a
sequence of rock strata) to
which stratigraphers accord supergroup...
