Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Feb?y 2030
El. 2410 ±
2420
Hole 21.
1st dug of spring (1915)
0 to 22 Overburden.
26 Weathered med gr. SS, clay partings.
44-6 Fine gr. SS, grading to siltstone with sandy zones.
46-6 Dark gray to black, carb. silty bastard clay.
48-11 Coal
X 56 Soft gray bastard clay
69 Silty bastard clay and claystone with limestone pellets.
77 Silty gray claystone and siltstone, calcareous stringers and band Fe carbonate (concretions)
(GC 211)
concretions. Limestone inclusions at base.
80-9 Clasterlaminated fine sandstone and siltstone
92-6 Dark to gray silty shale, shaly siltstone at top.
Plant remains throught.
94 Laminated fine and med, clinks light sandstone
95 Dark shale, plant remains.
197 Clasterlaminated silty shale and sandstone.
115-10 Dark gray shale.
117-6 Coal
125 Silty siliceous claystone, locally shales, grading to fine siltstone.
136-6 Calcareous fine grained sandstone, silty in upper part. Scattered lime pellets in upper 4'.
137-6 Conglomeratic limestone, quartz pebbles (up to ¼") in argillaceous limestone matrix. (Subangular) limestone fragments also present.
140 Argillaceous limestone.
143 Calcenous claysone and bastard clay, with large slightly calcareous inclusions
149 Clutlerbedded siltstone and silty claystone.
150 Fine grained sandstone
153 Shelly claystone
165 Silty shelly claystone and shelly siltstone
43