Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
This must be
incorrect
Angostura offset #1
Measuring up from top of unit 29 of
preceding section, which is here a
bench of purple-red weathering SS
and siltstn about 2' thick.
(1) 1.7
Interbedded siltstone + very fine-gr
sandstone, Fe impreg loc., weathers
purplish gray and red, thin-
bedded to laminated, with some gray
white weathering shaly siltst, in
upper part.
(2) 1.5
Sandstone, fine-grained, thin-bedded,
beds to 0.5t, ripple mark, worm
track(?) weather rusty brown,
(3) 2.8
Siltstone, shaly + silty shale,
gray
(4) 3.6
Sandstone thinly interbedded
with silty dk gray Sh and
siltstn, forms platy outcrop
(5) 8'6
Sandstone, fine-grained, well-bedded
in beds up to 1.0t, partings of
gray shaly silt, current ripples
16'.2
42