| Disappointment Bay Formation | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Geological formation |
| Thickness | Between 85 and 90 meters thick on Lowther Island |
| Location | |
| Region | Nunavut |
| Country |  Canada |
| Type section | |
| Named by | Thorsteinsson, 1958 |
The Disappointment Bay Formation is a geologic formation in Nunavut, extending from Ellesmere Island in the east to Bathurst Island in the west.[1] It preserves fossils dating back to the Devonian period, primarily of invertebrates.
- ^ Smith, Gary P.; Stearn, Colin W. (1987-12-01). "THE DEVONIAN DISAPPOINTMENT BAY FORMATION OF ELLESMERE ISLAND, ARCTIC CANADA". Bulletin of Canadian Petroleum Geology. 35 (4): 460–468. doi:10.35767/gscpgbull.35.4.460. ISSN 0007-4802.