| This section uses citations that link to broken or outdated sources. Please improve the article by addressing link rot or discuss this issue on the talk page. (March 2024) (Learn how and when to remove this message) |
The Oswego Formation is a geologic formation in West Virginia. It dates back to the Ordovician period.
References
|
|---|
| Ph | | Pz | | C | | ⁋ | | Moscovian |
- Betsie Shale
- Grundy Formation
- Hyden Formation
- Kendrick Shale
- Pikeville Formation
|
|---|
| Bashkirian |
- Bee Rock Formation
- Hensley Shale
- Sewannee Formation
- Warren Point Formation
|
|---|
|
|---|
| M | |
|---|
|
|---|
| D | |
|---|
| S | |
|---|
| O | |
|---|
| Є | |
|---|
|
|---|
|
|---|
| pЄ | |
|---|