Field Notebook: 1984b
Page 101
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
Sec. 8455 GRIT of UNIT 3 Shows no signs of water TRANSPORT & COARSING upward Represents a debris flow Showing slopes of CRATER Still unstable at START of LAKE DEPOSITION. Means LAKE started to fill CRATER soon after IMPACT. So mid Miocene DATE on RHINO fixes THE date of IMPACT as not long before. OFFSET SECTION 8455 d' 30m N of 8455 to CATCH ADDITIONAL beds at BASE of ORIGINAL section UNIT Thickness Description base of section ~ 1 meter above breccia 1 135 corner interval in lake beds