Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
"encountered three toric basalt dikes.
Near the sharp turn on road the
three dikes are well exposed on both
sides of the road. One dike is very
flat across strike and dips slightly over
the granite (have a piece). The
intermediate dike is split with
very irregular walls; one side has
18" of basalt, than 12" of altered
granite, and 12" of basalt. Some
of the exposures are half inch across
and sections run in 2 feet vertically.
Shore normal pairs of it. The largest
diame is 8 feet across, having pair
of it. Obs of the granite here.
The outcrop's pair the granite
surface bottom
dike. It is near
to dikes and mostly altered basalt,