porcupine hills formation造句
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- The Paskapoo grades into the equivalent Porcupine Hills Formation south of Calgary.
- The Porcupine Hills Formation is exposed at surface or is overlain by Quaternary sediments.
- The "'Porcupine Hills Formation "'is a Western Canada Sedimentary Basin.
- In the north near the Bow River, the Porcupine Hills Formation grades into the equivalent Paskapoo Formation.
- Cochrane 2 has also been interpreted as correlating to the Porcupine Hills Formation, but recent studies suggest that it is part of the Paskapoo, as originally concluded by Russell in 1929.
- Fossil remains of this animal have been found in strata dating to the Upper Paleocene of Wyoming ( United States ) and the Porcupine Hills Formation near the Bow River of Alberta, Canada.
- It's difficult to see porcupine hills formation in a sentence. 用porcupine hills formation造句挺难的
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