Page 237 - Geochemistry of Oil Field Waters

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Strontium Zirconium Vanadium Titanium md q25 q75 md q25 q75 md q25 q75 md q25 - _____. ~ __. ND <1 op <lop 400 300 140 <lop <lop ND <lop ND <lop <lop ND 200 85 45 <lop <lop <lop ND ND ND ND ND 750 350 75 ND < 1P ND ND <lop 700 450 150 lop <lop 7P 2OP ND 400 15 ND ND ND ND <lop <lop 200 <lop ND ND ND <lop <lop ND 300 90 65 ND ND ND ND <lop

Number of samples 22 79 88 24 148 74 34 15 21 118 25 55 22 28 18 116 - - - *' Medium (md; from Rittenhouse et al., 1969) and quartile (4) ** No data, less sensitive methods of analysis used. Includes Oklahoma Platform and Ardmore Basin.

Illinois Basin Louisiana and Texas Gulf Coast East Texas North Texas West Texas and New Mexico Permian only Pennsylvanian only Silurian and Devonian only Ordovician and Cambrian only Anadarko Basin Williston Basin, postPaleozoic Williston Basin, Paleozoic Powder River Basin Other Wyoming Colorado California Sea water Estimated detection limit ~ in ppb, otherwise ppm. *3