Table 1
Table 1--Chemical analyses of selected outcropping limestone from Osage County. (Analyzed under the supervision of Russell T. Runnels in State Geological Survey laboratories.)
| Stratigraphic unit, thickness, and type of sample |
Location | SiO2 | Al2O3(1) | Fe2O3 | CaO | MgO | P2O5 | SO3 | Ignition loss |
Calculated CaCO3(2) |
Calculated MgCO3(3) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ervine Creek Is., composite of 9.8 ft. | NE NW 32-14-17E | 2.77 | 0.85 | 1.32 | 52.12 | 1.03 | Trace | Trace | 42.02 | 93.02 | 2.15 |
| Tarikio Is., spot sample, lower 2.5 ft. | SE SE 12-15-13E | 5.34 | 1.64 | 2.24 | 49.32 | 0.95 | 0.07 | Trace | 38.85 | 87.8 | 1.99 |
| Curzon Is., composite of 6 ft. of bed | SE NE 27-15-15E | 3.61 | 0.81 | 1.22 | 52.75 | 0.47 | 0.11 | Trace | 41.18 | 93.83 | 0.98 |
| Ozawkie Is., composite of 11.7 ft. (without shale partings) | NW NE 4-15-17E | 3.87 | 0.82 | 2.73 | 51.28 | 0.88 | Trace | Trace | 40.81 | 91.52 | 1.84 |
| Upper Elmont Is., spot sample, 1.5ft. Bed | NW NE 23-16-13E | 2.17 | 1.57 | 1.42 | 51.73 | 1.32 | 0.1 | 0.47 | 41.9 | 91.44 | 2.76 |
| Middle Elmont Is., spot sample, 1.5 ft. bed | NW NE 23-16-13E | 5.75 | 1.76 | 1.08 | 49.5 | 0.91 | 0.1 | 0.37 | 39.9 | 87.59 | 1.9 |
| Lower Elmont Is., composite of 3.5 ft. bed | NW NE 23-16-13E | 4.89 | 1.06 | 1.21 | 49.43 | 1.38 | 0.06 | 0.32 | 40.73 | 87.7 | 2.89 |
| Hartford Is., composite of 5 ft. bed | NW SE 12-18-14E | 0.74 | 0.24 | 0.53 | 54.37 | 0.51 | 0.07 | 43.13 | 96.81 | 1.07 | |
| Curzon Is., compostie of 5.8 ft. bed | SE SW 14-18-14E | 3.45 | 0.75 | 0.66 | 51.84 | 0.96 | 0.06 | Trace | 41.62 | 92.39 | 2.01 |
| Hartford Is., upper 3.5 ft. of 8.5 tf. bed | SE SW 14-18-14E | 2.88 | 3.89 | 5.01 | 30.77 | 13.54 | 0.2 | 0.13 | 42.59 | 54.3 | 28.14(4) |
| Hartford Is., lower 5 ft. of 8.5 ft. bed | SE SW 14-18-14E | 0.82 | 0.25 | 0.67 | 54.56 | 0.53 | 0.08 | 43.07 | 97.11 | 1.11 | |
| Plattsmouth Is., composite of 20.2 ft. bed | NW SW 3-18-16E | 3.89 | 1.04 | 1.32 | 49.59 | 2.15 | Trace | 0.16 | 41.24 | 88.31 | 4.5 |
(1) Includes MnO and TiO2
(2) At 1,000 deg. C.
(3) Not corrected for small percentages of Ca in phosphates and sulfates
(4) Calculated FeCO3, 7.27
Kansas Geological Survey, Geology
Web version April 2002. Original publication date May 1955.
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