| 释义 |
ˌRhæto-Liˈassic, a. Geol.
[f. as prec. + Liassic a.]
Of or pertaining to the Rhætic and Liassic series or the geological epochs during which they were deposited. Also ˌRhætic-Liˈassic a.
1963D. W. & E. E. Humphries tr. Termier's Erosion & Sedimentation xviii. 357 The Rhaetic-Liassic Basin of Northwest Scania, Sweden, which is of paralic type, has been partly supplied by rivers, and partly by the sea. It provides an example of rhythmic sedimentation comprising at least twelve cycles in the Rhaetic and the Hettangian. 1965Senckenbergiana Lethaea XLVI. 127 (heading) Rhaeto-Liassic plant microfossils from the Leigh Creek coal measures, South Australia. 1970B. E. Balme in B. Kummel Stratigraphic Boundary Probl. 387/1 Species of Falcisporites..are typically Triassic in Australia and are especially abundant in coals and other sediments of Middle to Late Triassic, and Rhaeto-Liassic age. |