Re: [dinosaur] Age of Cretaceous Formation

Subject: Re: [dinosaur] Age of Cretaceous Formation

From: Ben Creisler <bcreisler@gmail.com>

Date: Sun, 11 Aug 2019 18:05:25 -0700

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Reply-to: Ben Creisler <bcreisler@gmail.com>

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On Sun, Aug 11, 2019 at 5:38 PM John Schneiderman <john-schneiderman@cox.net> wrote:

Looking for updated information on the Windrow Formation of Minnesota.
Age of Formation.
Formation correlates with what other formations.
Environmental deposition of the formation.
Any fossils of note found.
Thank you.

References:
T. THWAITES ; W. H. TWENHOFEL, 01 Jun 1921 âWindrow formation: An upland gravel formation of the driftless and adjacent areas of the upper Mississippi Valleyâ GSA Bulletin (1921) 32 (2): 293-314. https://doi.org/10.1130/GSAB-32-293
George W. Andrews. 1958 âWindrow Formation of Upper Mississippi Valley Region a Sedimentary and Stratigraphic Studyâ. The Journal of Geology Vol. 66, No. 6 (Nov., 1958), pp. 597-624

References:

[dinosaur] Age of Cretaceous Formation
- From: John Schneiderman <john-schneiderman@cox.net>
[dinosaur] Age of Cretaceous Formation
- From: John Schneiderman <john-schneiderman@cox.net>