Geological Timescale

Stratotype Point Base of Ludfordian

http://resource.geosciml.org/classifier/ics/ischart/BaseLudfordianSP

ratified GSSP true
boundary level coincident with the Base of the Leintwardine Formation
comment near Ludlow, UK
correlation event Imprecise. May be near Base of Saetograptus leintwardinensis Graptolite zone.
dc source
Episodes 5/3, p. 2123, 1982
Geol. Series, Nat. Mus. Wales, 9, p. 73 90, 1989
Lethaia 14
see also
Silurian2.pdf original
Sheinwoodian-Ludfordian.pdf original
index.html original
status Ratified 1980
type
StratigraphicPoint original
Resource original
shape Location of Stratotype Point Base of Ludfordian original