1-11 of about 11 matches for site:stratigraphy.org primary datum
https://stratigraphy.org/gssps/coniacian
the Grauweisse Wechselfolge and its turnover to the Upper Limestone Member. Primary Markers: The FO
https://stratigraphy.org/gssps/cenomanian
the base of the overlying, unnamed unit of limestone-marl alternations. Primary Markers: The base
https://stratigraphy.org/gssps/
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/#cretaceous
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/#quaternary
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/#jurassic
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/#archean
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/#hadean
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/#silurian
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/#carboniferous
content of the strata, for example the first appearance datum of a
https://stratigraphy.org/gssps/
content of the strata, for example the first appearance datum of a