Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Hole 13GC (Bloomington)
0 - 26 Surfaceal
- 29 [illegible] siltstone + fine ss
39-10 Shale + silty shale
45-2 [illegible] shale + shaly sandstone.
47-6 Sandy bastard clay, minor pyrite
47-8 Coal FH
65 [Poor rec. 47-8 to 65 = 7'] Coaly streak in middle
clay shale above, calcareous clay likely pellets.
below:
66 Shaly clay [Poor rec. in 65 to 88 interval = 10'+
80 Siltstone Loss in shaley clay? Should be to 76?
83 Fine ss
88 Siltstone + shaly siltstone
100 Poor Rec=3'2" Shale with 6" fossiliferous
limestone at base.
104 Siltstone sandy at base.
108-3 Fine to med gr. SS
118 Shale, carb zone 3" from top sandy str. 3'6",
115-4 to 116-2 sarry.
118-10 Coal H
130 Argillaceous limestone
140-9 Limey claystone & clay. To clay with
lucky pellets.
143 Silty claystone
147 Silty clay, claystone at base
149-10 Fine ss., quartzitic
156 Silty bastard clay
159 Real silty clay
166-7 Greenish silty claystone
170-6 Silty clay to siltstone
172 Fine sandstone
184 Silty claystone sandy at base
192-6 Shaly siltstone clayey at top
193-4 Carb shale.
208-8 Silty shale
210 Carb shale
211 Coal