Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Mahantango Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Devonian | |
| ....Middle Devonian | |
| .....Mahantango Formation | |
| RT | Pennsylvania |
| Hamilton Group | |
| SN | Central Pennsylvania. In Hamilton Group. Consists principally of greenish-gray, thin- to medium-bedded slightly carbonaceous shale. Sporadic sandstone zones appear throughout area and thicken eastward. In central Pennsylvania. |