Stratotype Point Base of Ludfordian

label Stratotype Point Base of Ludfordian
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.
see also
Silurian2.pdf original
Sheinwoodian-Ludfordian.pdf original
index.html original
image.php?periodid=122&top_parentid=0&imageid=314 original
Episodes 5/3, p. 2123, 1982
Geol. Series, Nat. Mus. Wales, 9, p. 73 90, 1989
Lethaia 14
status Ratified 1980
StratigraphicPoint original
Resource original
Concept original
has geometry Location of Stratotype Point Base of Ludfordian original
represents boundary
Base of Ludfordian Stage original
stratotype BaseLudfordianSP original