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Dakota and Kiowa Formations

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Table 4

Table 4--Report of chemical analyses of samples from calcareous sandstone in central Kansas. (Data furnished by the Corps of Engineers, War Department, Kansas City, Missouri.)

Lab
serial
no.
County Location Chemical analysis (percent)
Ignition
Loss
SiO2 Al2O3 Fe2O3 CaO MgO SO3 Na2O K2O Undetermined Soluble
in HCl
9820Lincoln6-12-7W16.0062.701.840.4218.220.370.00  0.4537.28
9819Lincoln6-12-7W15.2063.501.860.6418.080.370.00  0.3536.08
2477111Lincoln6-12-7W16.3160.620.031.4821.240.000.00  0.2840.50
6128Lincoln6-12-7W15.6861.101.320.5019.920.870.09  0.5234.78
23934LincolnNE 12-12-8W14.9563.111.750.0019.820.370.00 2 2 34.91
239343LincolnNE 12-12-8W15.2462.260.950.2120.600.550.00  0.1935.00
9819LincolnNE 12-12-8W14.5564.021.070.8319.120.380.004  35.27
2477175LincolnNE 12-12-8W15.7464.420.080.9218.460.000.00  0.3437.54
115626LincolnNE 7-12-10W16.1664.381.980.1811.585.640.00 7 70.0835.22
 8LincolnNE 7-12-10W15.7063.301.081.5212.225.610.00 9 90.4535.01
239978LincolnNE 7-12-10W16.9260.862.401.6212.935.070.00 10 100.1937.97
274238LincolnNE 7-12-10W15.0463.320.982.6614.143.680.01   34.0411
89736EllsworthE 19-16-6W16.2062.421.120.1619.180.60   0.3237.00
210926EllsworthE 19-16-6W      0.3412   
1270913EllsworthE 19-16-6W12.6565.121.341.3417.061.050.07  1.3732.00
1. Moisture, 0.04 percent.8. Crushed rock.
2. Na2O+K2O 0.09 percent; alkali as Na2O equivalent, 0.06 percent.9. Na2O+K2O 0.12 percent.
3. Sample represents material lost in L.A. abrasion test.10. Total alkali as Na2O 0.09 percent; Na2O+K2O 0.10 percent.
4. Na2O+K2O 0.03 percent, average of two tests.11. Insoluble residue, 65-96.
5. Moisture, 0.04 percent.12. Na2O+K2O 0.51 percent; alkali as Na2 equivalent, 0.34 percent.
6. Ledge rock.13. Rock dust from crusher.
7. Na2O andK2O not determined. 

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Kansas Geological Survey, Geology
Placed on web June 14, 2007; originally published Nov. 1947.
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