Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
J
2.7 Interbedded thin beds fine gr.
ss in tone, with light grayish
shale[311+st] Whole zone highly
colored in bands by Fe
pink, red, yellow & oranges.
Laminated to x-12m, Top ss
bed & some others Fe impreg,
shaly silts splotches pink
& yellow stains.
Along strike this unit
locally gets sandler, has
local ss lens 1.0 thick.
I
24.4 Thinly interbedded fine-grained
sandstone andl gray to light
gray shale & shaly siltstone.
Lamination common but some
sands locally massive little
lenses. Fe yellow stain common
in ss. Much worm tracking
scattered few frogs.
SS layers chiefly 0.2+
under with exceptions
local lenses,
Upper 0.5 chiefly ss &
is heavily Fe impreg.
VB + OB.
Bszl 2-4 feet generally mostly
ss with bottom foot Fe impreg
and bszl 0.2+ a hard
12.