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Start
Table of Contents
Introduction
Geography
Stratigraphy
Igneous Rocks
Structural Geology
Economic Geology
References
Detailed Measured Sections
Stratigraphc Columns
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Detailed Sections, continued
| Tarkio limestone (12.5 feet exposed) |
Feet |
 |
 |
Limestone, brown granular, thinner beds than in unit
below, fusulinids smaller than in unit below |
4 |
 |
 |
Limestone, shaly |
2 |
 |
 |
Limestone, brown massive, giant fusulinids |
6.5 |
| Willard shale |
 |
 |
 |
Shale, gray, blue when wet, somewhat blocky |
25 |
| Elmont limestone |
 |
 |
 |
Limestone, dark-blue to gray, brittle, fossils and fossil fragments |
2.1 |
| Harveyville shale |
 |
 |
 |
Shale, gray |
5 |
| Tarkio limestone |
Feet |
 |
 |
Limestone, very brown |
0.7 |
| Willard shale |
 |
 |
 |
Shale, gray and green |
20 |
| Elmont limestone |
 |
 |
 |
Limestone, dark-blue, calcite crystals, fusulinids |
1 |
| Harveyville shale |
 |
 |
 |
Shale, gray, to water of Deep creek |
2 |
| Dover limestone |
Feet |
 |
 |
Limestone, light in color, weathered into slabs, fusulinids |
2 |
| Table Creek shale |
 |
 |
 |
Shale greenish-gray, more green in upper part,
nodular, calcareous zones near top |
16 |
| Maple Hill limestone |
 |
 |
 |
Limestone, dark-gray to yellow, granular, calcite
crystals, mottled on fresh exposures, small fusulinids |
1.4 ± |
| Pierson Point shale |
 |
 |
 |
Shale, partly covered |
20 |
| Tarkio limestone |
 |
 |
 |
Limestone, brown, giant fusulinids, (top only exposed) |
|
View stratigraphic column for this section.
| Permian System |
Feet |
| Towle shale |
 |
 |
Indian Cave sandstone member |
 |
 |
 |
Sandstone, gray fine micaceous, covered in road but exposed
in weathered condition in cultivated field south of road |
12 |
| Carboniferous System,
Pennsylvanian Subsystem |
 |
| French Creek shale |
 |
 |
 |
Shale |
10 to 15 |
| Jim Creek limestone (4.65 feet) |
 |
 |
 |
Limestone, blue to brown, nodular, "Osagia" and cryptozoa |
0.55 |
 |
 |
Shale, yellow |
2.5 |
 |
 |
Limestone or mudstone, soft yellow limonitic |
0.1 |
 |
 |
Limestone, crystalline |
0.2 |
 |
 |
Covered |
1 |
 |
 |
Limestone, blue to gray, hard crystalline, pelecypods |
0.3 |
| Dry-Friedrich shale |
 |
 |
 |
Covered slope |
64 |
| Dover limestone |
 |
 |
 |
Limestone, covered |
|
View stratigraphic column for this section.
| Doyle shale (31.1 feet exposed) |
Feet |
 |
Towanda limestone member (9.1 feet exposed) |
 |
 |
 |
Limestone, solid, coquina-like to
fine conglomerate, cross-bedded |
2.5 |
 |
 |
Limestone, somewhat porous, small Murchisonia |
3.8 |
 |
 |
Shale, calcareous |
0.8 |
 |
 |
Limestone |
2 |
 |
Holmesville shale member (22 feet) |
 |
 |
 |
Mudstone, geodiferous in lower half |
8 |
 |
 |
Shale, calcareous |
1 |
 |
 |
Shale, small geodes |
0.5 |
 |
 |
Shale, calcareous, to mudstone |
1.5 |
 |
 |
Limestone, porous, geodes |
0.5 |
 |
 |
Shale, calcareous |
0.5 |
 |
 |
Limestone, in two beds, small geodes |
3 |
 |
 |
Shale, calcareous, Pleurophorus and Aviculopecten,
and rod-like impressions |
2.5 |
 |
 |
Shale, calcareous |
4.5 |
| Barneston limestone |
 |
 |
Fort Riley limestone member (9.0 feet exposed) |
 |
 |
 |
Limestone, massive, Derbyia, Meekella,
Aviculopecten, and Straparollus |
1.8 |
 |
 |
Limestone, shaly |
0.5 |
 |
 |
Limestone, massive |
6.7 |
View stratigraphic column for this section.
| Doyle shale |
Feet |
 |
Towanda limestone member |
 |
 |
Holmesville shale member |
 |
| Barneston limestone |
 |
 |
 |
Covered interval, Towanda limestone at top;
upper part of Fort Riley limestone member
of Barneston limestone at base |
65 |
| Barneston limestone (55 feet exposed) |
 |
 |
Fort Riley limestone member (18 feet exposed) |
 |
 |
 |
Limestone, thin beds |
10 |
 |
 |
Limestone, "rim rock," massive near top,
thinner beds below |
8 |
 |
Oketo shale member(?) |
 |
 |
 |
Shale, some limestone |
5.5 |
 |
Florence limestone member (31.5 feet) |
 |
 |
 |
Limestone, small amount of flint |
2 |
 |
 |
Shale |
1.5 |
 |
 |
Limestone, flinty |
5 |
 |
 |
Shale |
1.5 |
 |
 |
Limestone, flinty |
3 |
 |
 |
Shale, calcareous |
1.5 |
 |
 |
Limestone, very flinty, limestone and flint
in beds, limestone, granular, weathers into pitted
blocks; limestone in beds about 0.7 foot thick;
flint in bands and nodules 0.1 to 0.5 feet, few fossils |
17 |
| Matfield shale (48.6 feet exposed) |
 |
 |
Blue Springs shale member (44.6 feet) |
 |
 |
 |
Shale, calcareous |
1.4 |
 |
 |
Limestone, impure silty gray |
0.5 |
 |
 |
Shale, gray, chocolate-color, and green, gray near
base,fossliferous and calcareous near top |
42.7 |
 |
Kinney limestone member (4 feet) |
 |
 |
 |
Limestone, gray dense, fossils as fragments |
0.9 |
 |
 |
Shale, yellow to gray |
1.6 |
 |
 |
Shale, calcareous |
1.5 |
 |
Wymore shale member |
 |
| Wreford limestone |
 |
| Speiser shale |
 |
 |
 |
Covered slope, part of Blue Rapids shale and
Crouse limestone exposed at base |
|
View stratigraphic column for this section.
| Barneston limestone (70.4 feet exposed) |
Feet |
 |
Fort Riley limestone member (22.2 feet exposed) |
 |
 |
 |
Limestone, light in color, thin beds |
15 |
 |
 |
Limestone, massive "rim rock" |
4 |
 |
 |
Shale, yellow |
1.6 |
 |
 |
Limestone, yellow |
0.6 |
 |
 |
Limestone, yellow impure |
1 |
 |
Oketo shale member |
 |
 |
 |
Shale, bluish-gray to yellow, calcareous |
4 |
 |
Florence limestone member (44.2 feet) |
 |
 |
 |
Limestone, yellow soft, small amount of flint |
2.3 |
 |
 |
Shale, calcareous |
1 |
 |
 |
Limestone, small amount of flint |
3 |
 |
 |
Limestone, much flint |
1.4 |
 |
 |
Shale, fossiliferous |
3 |
 |
 |
Limestone, thin beds near base, flint near base |
5 |
 |
 |
Shale, yellowish-gray |
0.8 |
 |
 |
Limestone, somewhat thin-bedded, flinty |
5 |
 |
 |
Limestone, shaly |
1 |
 |
 |
Limestone, light in color, weathers brown, steel-gray flint |
19 |
 |
 |
Limestone, impure flinty fossiliferous |
1.6 |
 |
 |
Limestone, shaly fossiliferous |
1.1 |
| Matfield shale (75 feet) |
 |
 |
Blue Springs shale member (26.6 feet) |
 |
 |
 |
Shale, yellow and gray, calcareous concretions |
3 |
 |
 |
Shale, varicolored, mostly red and green |
23.6 |
 |
Kinney limestone member (31.4 feet) |
 |
 |
 |
Limestone, fossiliferous |
0.5 |
 |
 |
Shale |
10.8 |
 |
 |
Limestone, yellow flaky, pelecypods |
0.6 |
 |
 |
Shale, yellow to gray, fossiliferous |
7.5 |
 |
 |
Shale, gray blocky |
1.5 |
 |
 |
Shale, gray |
5.5 |
 |
 |
Limestone, covered |
5 |
 |
Wymore shale member (17 feet) |
 |
 |
 |
Shale, purple near top, red and green |
12 |
 |
 |
Covered interval |
5 |
| Wreford limestone (24.3 feet exposed) |
 |
 |
Schroyer limestone member (18.3 feet) |
 |
 |
 |
Limestone, gray crystalline |
0.8 |
 |
 |
Limestone, flinty, large bryozoa |
11 |
 |
 |
Shale, light-gray, maximum thickness |
2 |
 |
 |
Limestone, yellow to brown, steel-gray flint,
shaly near base, productids |
4.5 |
 |
Havensville shale member |
 |
 |
 |
Shale, gray, soft and powdery near top, more calcareous near base |
6 |
View stratigraphic column for this section.
| Barneston limestone |
Feet |
 |
Florence limestone member |
 |
 |
 |
Limestone, flinty |
|
| Matfield shale (61.7 feet) |
 |
 |
Blue Springs shale member (20 feet) |
 |
 |
 |
Shale, yellow, calcareous zones |
10 |
 |
 |
Shale, mostly red, calcareous zones |
10 |
 |
Kinney limestone member (22 feet) |
 |
 |
 |
Limestone, chalky, stained red from shale above |
2.5 |
 |
 |
Shale, gray, some red and green, not well exposed |
12 |
 |
 |
Limestone, gray, pelecypods |
0.5 |
 |
 |
Shale, gray |
4 |
 |
 |
Limestone, gray, massive in lower part |
3 |
 |
Wymore shale member (19.7 feet) |
 |
 |
 |
Shale, gray, calcareous zones |
6 |
 |
 |
Shale, calcareous |
0.1 |
 |
 |
Shale, mostly gray, small amount of red |
6.5 |
 |
 |
Limestone, gray |
0.6 |
 |
 |
Shale, gray, green, and red |
6 |
 |
 |
Limestone, red, chalky |
0.5 |
| Wreford limestone (35.1 feet) |
 |
 |
Schroyer limestone member (10.9 feet) |
 |
 |
 |
Limestone, abundant flint |
5 |
 |
 |
Shale, light-yellow powdery |
1.5 |
 |
 |
Limestone, yellow, thin beds |
0.4 |
 |
 |
Shale, green nodular |
2 |
 |
 |
Limestone, partly silicified |
0.2 |
 |
 |
Shale, gray calcareous |
0.6 |
 |
 |
Limestone, gray, weathers brown |
1.2 |
 |
Havensville shale member (16 feet) |
 |
 |
 |
Shale, gray to yellow, thin limestone in middle part |
6 |
 |
 |
Covered interval |
10 |
 |
Threemile limestone member (82 feet) |
 |
 |
 |
Limestone, abundant flint |
1 |
 |
 |
Limestone, light in color, soft, tough, no flint,
weathered to pitted surfaces, makes bold outcrop line |
2 |
 |
 |
Limestone, flinty |
0.8 |
 |
 |
Limestone, three bands of flint |
1.7 |
 |
 |
Limestone, yellow impure |
0.4 |
 |
 |
Shale, gray, abundant fossils |
0.9 |
 |
 |
Limestone, light-gray, steel-gray flint |
1.4 |
| Speiser shale (15.6 feet) |
 |
 |
 |
Shale |
0.1 |
 |
 |
Limestone |
0.2 |
 |
 |
Shale, yellow and gray, many fossils, more abundant in upper part |
2.5 |
 |
 |
Limestone, very persistent over entire area |
0.5 |
 |
 |
Shale, gray, bands of red and green |
10.6 |
 |
 |
Limestone, in thin beds, interbedded with shale |
0.7 |
 |
 |
Shale, green and yellow |
1 |
| Funston limestone (15.4 feet) |
 |
 |
 |
Limestone, yellow dense |
0.6 |
 |
 |
Shale, few limy zones or limestone beds |
14 |
 |
 |
Limestone, nonresistant to Weathering |
0.8 |
| Blue Rapids Shale |
 |
 |
 |
Shale, not well exposed, green near top, weathers into gentle slope |
11 |
| Crouse limestone |
 |
 |
 |
Limestone, not well exposed, brown and
platy near top, more massive in lower part |
12 |
| Easly Creek shale |
 |
 |
 |
Shale, gray, not well exposed |
5 |
| Bader limestone (15.3 feet) |
 |
 |
Middleburg limestone member |
 |
 |
 |
Limestone, gray, some iron rust, massive in lower part, fragments of fossils |
1 |
 |
Hooser shale member (9.8 feet) |
 |
 |
 |
Shale, yellow, bands of green |
4 |
 |
 |
Limestone, impure shaly |
0.3 |
 |
 |
Shale, yellow and gray, bands of red |
5.5 |
 |
Eiss limestone member |
 |
 |
 |
Limestone, light-gray, in thin beds, weathers
lighter in color, upper part slightly limonitic and
irregular in mode of weathering |
4.5 |
| Stearns shale |
 |
 |
 |
Shale, yellow and gray |
5 |
| Wreford limestone |
Feet |
 |
Threemile limestone member |
 |
 |
 |
Limestone, light in color, massive, small amount of flint |
3 |
 |
 |
Limestone, abundant flint |
3.5 |
 |
 |
Limestone, shaly fossiliferous |
0.5 |
 |
 |
Shale, gray |
0.2 |
 |
 |
Limestone, few thin beds |
? |
| Speiser shale |
 |
| Funston limestone |
 |
| Blue Rapids shale |
 |
| Crouse limestone |
 |
| Easly Creek shale |
 |
| Bader limestone |
 |
 |
 |
Covered slope, Crouse limestone and Eiss limestone member
of Bader limestone partly exposed, latter at base |
50 |
View stratigraphic column for this section.
| Wreford limestone |
Feet |
 |
Threemile limestone member (8 feet exposed) |
 |
 |
 |
Limestone, flinty |
5 |
 |
 |
Limestone, small amount of flint |
3 |
| Speiser shale (15 feet exposed) |
 |
 |
 |
Shale, gray fossiliferous |
2 |
 |
 |
Limestone, gray crystalline |
1 |
 |
 |
Shale, red and green |
12 |
| Doyle shale (27.9 feet exposed) |
Feet |
 |
Towanda limestone member |
 |
 |
 |
Limestone, yellow impure, contains some red,
green, and yellow shale |
5.4 |
 |
Holmesville shale member |
 |
 |
 |
Covered interval, (measurement may be too small
because of slumping of Towanda limestone) |
22.5 |
| Barneston limestone |
 |
 |
Fort Riley limestone member (12.5 feet exposed) |
 |
 |
 |
Limestone, somewhat silicified |
2 |
 |
 |
Covered interval |
4.5 |
 |
 |
Limestone, yellow, in thin beds |
1 |
 |
 |
Shale, yellow chalky |
5 |
 |
 |
Limestone, light-yellow, weathers white, massive "rim rock" |
? |
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