Field Notebook: 1985
Page 35
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
8/11/85 8513 Isolated Hill of "Cliff Sand" on Strike to STRIKE ON PHOTO DIP. 3 1/2° E. 8514 Interval Section from stream which flows on surface of breccia blanket at SE corner of lake bed deposit. Much of this lithology was described in 1984 Level set at 30N UNIT Thickness Description 1 — base in stream drainage on blanket of unmodified ejecta blanket that dips inward into crater 2 5.7 meters blanket of mixed breccia and lake bed debris, possibly lake reworked breccia CONTACT 3 "" Haughton Lake Bed. 7.4 meters homogeneous gray weathering siltstone 4 15 meters Prominent slope forming siltstone ### ### ### ironstone nodules - offset at 8meters change to 1 1/2° from 3° platy flat gray weathering concretions w/fish and bird bones at 4.3 m. limonite at 2.6, 3, 5.8, 7.8 → 3" thick