释义 |
ˌPermo-Pennsylˈvanian, a. Geol. [f. as Permo-Carboniferous a. + Pennsylvanian n. and a.] Belonging either to the lowest Permian or the uppermost Pennsylvanian. Also absol. The equivalent in the U.S. of Permo-Carboniferous.
1937Bull. Amer. Assoc. Petroleum Geologists XXI. 1252 Late Pennsylvanian and Permo-Pennsylvanian. Figure 2 represents a composite of late Pennsylvanian and early Permian time. 1965Ibid. XLIX. 1572/2 An early sequence of Permo-Pennsylvanian sediments accumulated in this bay. |