Saka Substage
General info
Belongs to
Type chronostratigraphy
Rank Substage
Scope regional
Status informal standard
Author Orviku
Year 1958
Etymon Saka, village (E)
Age base (Ma) 472
Age (Ma)
Age reference Webby et al., 2004 (eds)
Index
BIIα
Date added 2005-03-29
Date changed 2012-01-06