subage

subage

[′səb‚āj]
(geology)
A subdivision of a geologic age.
Mentioned in ?
References in periodicals archive ?
1999) there is yet no definitive referral to a Clarendonian subage.
0 Ma], but may contain faunal assemblages from differing Clarendonian subages.
ii) If this ideal is irreducible then A' is a subage of A.