Concept information
Preferred term
stratotype
Definition
- A stratotype or type section is a geological term that names the physical location or outcrop of a particular reference exposure of a stratigraphic sequence or stratigraphic boundary. If the stratigraphic unit is layered, it is called a stratotype, whereas the standard of reference for unlayered rocks is the type locality. When a stratigraphic unit is nowhere fully exposed, the original type section may be supplemented with reference sections covering the full thickness of the unit. A reference section may also be defined when the original type section is poorly exposed, or for historical units which were designated without specifying a type section according to more modern standards. (Adapted from: https://en.wikipedia.org/wiki/Stratotype)
Broader concept
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/QX8-073BPC8M-S
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