Field Notebook: SD, ND 1962
Page 23
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
of deformation. This deformed zone varies in thickness here, locally expanding into unit (10) below H just above top mzs. E2st end St. Patricks exposures - N 26° E1, 9° NW at base bluff near road, e2st side. Steepest clip exposures to be in this area. First butte SE of rd up bluff - coll. from base SS channel near top, about 17' above the key SS cones... for 6' I above the key SS cones is contorted zone then banded zone to base fig channel sand. Loc. 212, Section B Section C- begins on wash slope at base of popcorn with obvious though obscure wedding. Mud butte in center w½ SWly NE¼ sec. 26 T:15N R 21E (1) 5.t Popcorn slope, fastened bend about 2.0 from top. At top sczt sw3ll, crumbly grey-weather cones. (2) 4.4 Popcorn slope, steepening in upper foot, (3) 3.5 B.B. with sand layers up to O.4, one of letter at base. At top sandy zone with local cone masses, small to 2' long. (4) 5.8 BB. popcorn crust, zlt, silty cl & fine clayey silt & snd. 10