| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Carnian | Virginia | Robbins,E.I. et al. Coal deposits of the Newark Rift system (Eastern North America). | 1983 | |
| details | Triassic | North America | Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. | 1995 |