Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
(W4B)
6/27/98 On IA9, 0.3 miles east of Frankville Rd
junction about 7 mile southeast of Decorah
locality 9 of L,G,B (our 1995 loc. 13) red
2 photos
Near Postville, Iowa
6/27/98 - A large quarry about 0.4 miles east
of the junction of US 52 and W 4B (east)
(Receptaculites, v. burrowed dolostone.)
1' beds
2' beds
some th gray siltstone on bedding
surfaces.
burrowed mudstones w/itl
calcisillite burrow filling,
2'-spherical micritic structures w/
sp?calcite fillings (Photos)
5 photos
prominent cracks
and X lacer
Receptaculites
silty zones (duratites?)
Magnolites
Lithloport
Luane
Frankville
bed 64
Ref. Hise