Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Monday Sep. 18-1922. Highgate Center
Started out at 8.30 for the little shale quarry
in the creek [illegible] formation,
about one mile N.W. of Highgate Center.
C3246 Black Shales at Milton with Dictyoceras, about 3
feet can be seen. These shales like those of Parkes Quarry.
Sandy dark blue shales with many very thin lenses
of rounded grain sandstones from [illegible] thickness to 2
inches. Thickness about 10 feet. No fossils.
Intraformational dolomite from 6 to 18 meters
Rounded pebbled heavy bedded dolomitic sandstone.
About 45 feet thick. Has angular pieces of the thin folded
dol. from the lagoon below.
Thin bedded dsl. with Lepernaemia tucnica, about
12 to 66 meters.
See above at X
From the Milton thick bedded massive Milton dsl.
The above is on the east side of road.
In the road cutting lies the west of the Colchester
from 200 to 500 feet thick,
On the other side of the road is a slice of Mallett
dol. showing about 250 feet of thickness.
Then went north to the farm
cross-road going east across the High-
gate about 13/4 miles N.W. of Highgate Center. Crossed
the thin bedded limestone but got only [illegible] about