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 ls., 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 |
| Tarkio ls., 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 ls., 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 ls., 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 ls., 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 ls., 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 ls., 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 ls., 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 ls., 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 ls., 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 ls., 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 ls., 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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