Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
The lava at the top lies flat and is of considerable
thickness. It belongs to the young Tertiary flows, as
it is on the top of this erosion remnant it must
once have extended much further than now. The
amount of erosion takes place since then that these
flows are not or recent as is often believed.