Field Notebook: Arizona 1925b
Page 74
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Pine - Jerome, Ariz., April 6, 1920 Started away from the "Mulberry Inn" at 8 A.M. in a chilly cloudy morning. Pine is at 5600 foot above the sea in front of Plateau escarpment. On the great cliffs one can readily see the red Dupai dolmo, and near the middle a peg band, and down up some red beds but mostly beds of something smally the upper fold escarpment. Leaving Pine after not one-half mile, one begins to as- cend the escarpment, and often one get on the Flagstaff road one see that it is cut into the Cremonia sandstones. The top of the Plateau is about 7200 foot, so there is 1600 foot to be accounted for. The lower red Dupai is exposed all about the level of Pine and it goes up to at least to the grey band that may be 50 to 65 foot thick. I judge this to be near the middle of the 1600 foot to be accounted for. Apparently this is the "compact fragli, with floriflora camera- tuo" of the Canyon Creek section described in page 35. If this is correct then the Lower Dupai is at least 565 feet thick. I do not know if this takes in the lower limestone collected in Saturday last of Pine, and that was the floriflora molyntanae - D. camarius fauna. The Upper Dupai one did not make out, but seemingly it is present above the grey band, and if so it is far more a sand- stone series with then beds of shale. I estimate this gone