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Lehman Formation 
Summary
The Lehman Formation is a geologic formation in Utah. It preserves fossils dating back to the Ordovician period.[3]
| Lehman Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Unit of | Pogonip Group |
| Underlies | Eureka Quartzite |
| Overlies | Kanosh Shale |
| Lithology | |
| Primary | Shale, quartzite, limestone |
| Location | |
| Region | Great Basin[1] |
| Country |  United States |
| Type section | |
| Named for | Lehman Caves |
| Named by | Lehi Hintze |
| Year defined | 1951[2] |
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