Also known as Kukpowruk River/Cape Lisburne floras
Where: western North Slope County, Alaska (69.5° N, 162.8° W: paleocoordinates 79.2° N, 95.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Corwin Formation, Albian to Albian (113.0 - 93.9 Ma)
• middle Albian to Cenomanian
• group of beds-level stratigraphic resolution
Environment/lithology: pond; concretionary, gray mudstone and fine-grained, gray sandstone
•weathering to orange, bearing only comminuted plant debris.
•Dark grey, poorly indurated mudstone with ironstone nodules
•containing Podozamites, small-leafed Pityophyllum and sparse-leafed
•Cephalotaxopsis. The sandstones were rooted by ?Equisetites.
•Interpretation. Channels and interfluve ponds.
Size class: macrofossils
Collection methods: quarrying,
Primary reference: R. A. Spicer and A. B. Herman. 2001. The Albian-Cenomanian flora of the Kukpowruk River, western North Slope, Alaska: stratigraphy, palaeofloristics, and plant communities. Cretaceous Research 22:1-40 [D. Royer/D. Royer/D. Royer]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 34619: authorized by Dana Royer, entered by Dana Royer on 12.09.2003
Creative Commons license: CC BY (attribution)