Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Locality 98 Rattlesnake Butte.
Section - Notice - measured down from top.
(8) 23.0-?
A952
Butte cap, a fq to vfg sandstone of "Colgate"
type, silicified. Crossbedded to x1em, good
current bedding + ripples, intersecting
channels, loczl indurated clay pellet cgl,
and salty clay lenses, fossil wood and
some fairly well preserved leaves. A
highly variable cap in its sed features
but all indicate current.
uncont.
(7) 8.0
Clay, silty to sandy. In upper 5.0, blocky,
grey, weathers light gray with ob strm
and chips near top. I'ze stdt plznt
fragz throught. (Bszl ll:ot is brn gray
finely silty clay shale with plant frags,
grades to lq shale below and into
about 1.5 of gray, vfg sand, x1zm
above.
(6) 5.0
Clay, brownish gray, plant frags & lq streaks
and pockets with prominent ledgey
hard liquidtic red-gray weath shale at
top and a tough dk gray clay of
bosal 1.0 to 1.5 with lq streaks.
It purplish cast.
(5) 3.8
Clay, tough, gray, plant frags, silty,
with a few layers & laminae silty vfg
sand. At base becomes hard massive silty
clay + grades to unit below.
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