Field Notebook: 1963a
Page 52
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
7-12-1 Gypsum here in good quantity Zone appears DARK purple in weathered slope. 13.1 5.1 Dark grey fossil plant fragment bearing shale top. 6" becomes limonite STAINED. Frags of monocots. 14,8 Gysiferous effloren ces. Clay becoming silty with occ. silt stringers. Dark Brownish grey (3.7) 16,5- Dark Br. grey limonite stained SILTY CLAY. Gypsum & some plant frags. 18",9 Olive drab silty clay with 2" very dark grey shale with carb frags. 18.2 8.8 Olive drab silty clay with 5? mica flash.