Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
2.0
Fine to med grained ss, thinbed, x12m.
Beds to .5', silty prngs at top.
2.6
Sandstone, Med.gr. massive x12m., locally friable
[Dip & Strike on base - N.15°W, 60° W overturned]
sandstone sugary grains well rounded, frays
white weathering grains -? - concern on bedding
surfaces - looks like beach sand - Ed says.
Massive x 12m. bed. Plant fry casts on top
below surface.
1.8
Grey clayey shale, 2ft siltstone with plant frags
at base.
5.2
Sandstone, Fine grained, white in beds
1/2 to 2.0 thick, but thinner with
siltstone lower sh lamination at top, Guelder
to overlying sh. Weathering yellow-gray to
light buff.
1.0
Interbed. dk shale with
light siltstone, with
1/2 bed siltstone in middle part
2.4
Sandstone, fine grained massive,
obscurely x 12m. Scolithus-like worm
borings in upper .5'
Bottom surface has blobs of Fe.
2.2
Interbedded (loose) Dk gray silt shale with
light gray fine sandstone. Locally 2
sandstone beds highly varrable in thickness,
5.0
Sandstone, Fine grained, [illegible] cross laminated
in beds 1/4 to 2.0, weather buff to
Fe brown
gray (inter-weathering)
3.3
In upper 1/3 platy to shaley Siltstone, lower
2/3 dk gray shale, fissile weather.
34.0
Fine to medium grained locally soft
friable ss. chiefly beds .5 to 2.0 thick
cross laminated. Bedding surfaces
ripple marked. Ripples current type
indicating EtoW movement, x12m with
15