Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
August 6, 1963
Sec. 8-6-1
Picture
Section of G.V. fm. s of G.V.
Sec. 33 NW¼ Sec 33
T4N R9W
H' T' Covered.
0 Grey SILSTONE with PLANT
STEM FRAGS.
CLAY WITH much CARBONACE
OUS MATTER ON BEDDING
PLANS. CLAY DARK BROWN
WITH FREE CARBON on
bedding MAKING IT BLACK
1-2 INCHES THICK
1.2' YELLOW ORANGE AND LIGHT
GREY MOTTLED SILSTONE.
BOTTOM 2" GREY & bedded
abt ½"
VERY MANY TINY .5- 1.5mm.
SPHERICAL CONES ON
WEATHERED FACES, CONES Fe₂O₃
Some PLANT FRAGS SCATTERED
IN POCKETS.
5' Cones Composed of
cemented masses of Fe₂O₃
globules.