Usa

Canada

Formation(s)

Lance and Fort Union

Lance and Fort Union

Lance and Fort Union

North Horn

Scollard

Basin

Powder River

Powder River

Powder River

(Not given)

Alberta

Principal reference

Bohor et al. (1987a)

Wolfe (1991)

Nichols et al. (1992a)

Difley and Ekdale (2002)

Lerbekmo et al. (1979)

Sub decimeter

Yes

Yes

Yes

No

Yes (10)

palynology resolution

0 0

Post a comment