Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
5/12/95.
2 Sogn Roadcut .01 mile E of intersection
of Goodhue roads g+114 on Rd. 117
Photo B+W upper part of section. E side of
south end of roadcut on County Blvd 117
Photo C3#3 cutto
Photo C.S.#4 middle part
Photo C.S.5 showing disturbed bedding at
top of Hidden Falls Mbr.
Road cuts on both sides of road.
East side shows better overall
features but 2 ironstained horizons
are more clearly seen in W. side cut.
E side has some large blocks that
have fallen down. See notations
on graphic sect. Fig. 20-17 Sloan, (ed.) 1987
(we had lunch at this site).
Glenwood Inn is a deeperwater clastic unit with pyrite+laurite nodules
with a "corrosion" zone at base.
Platteville is a complex of two to probably 5 or 6 packages
separated by pyritic "corrosion" zones. I take the
corrosion zones here to be deep water erosion surfaces of
mineral deposition but not sediment deposition -
beneath at least two corrosion zones there are beds of