Vertical variability in saturated zone hydrochemistry near Yucca Mountain, Nevada
By: G. L. Patterson and P.S. Striffler
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Abstract
The differences in the saturated zone hydrochemistry with depth at borehole NC-EWDP-22PC reflect the addition of recharge along Fortymile Wash. The differences in water chemistry with depth at borehole NC-EWDP-19PB appear to indicate that other processes are involved. Water from the lower part of NC-EWDP-19PB possesses chemical characteristics that clearly indicate that it has undergone cation exchange that resulted in the removal of calcium and magnesium and the addition of sodium. This water is very similar to water from the Western Yucca Mountain facies that has previously been thought to flow west of NC-EWDP-19PB. Water from the lower zone in NC-EWDP-19PB also could represent water from the Eastern Yucca Mountain fades that has moved through day-bearing or zeolitized aquifer material resulting in the altered chemistry. Water chemistry from the upper part of the saturated zone at NC-EWDP-19PB, both zones at NC-EWDP-22PC, and wells in the Fortymile Wash facies appears to be the result of recharge through the alluvium south of Yucca Mountain and within the Fortymile Wash channel.
Suggested Citation
Patterson, G.L., Striffler, P., 2006, Vertical variability in saturated zone hydrochemistry near Yucca Mountain, Nevada, in Proceedings of the 11th International High Level Radioactive Waste Management Conference, IHLRWM, v. 2006, Las Vegas, NV, 30 April 2006 through 4 May 2006, p. 390-394.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Vertical variability in saturated zone hydrochemistry near Yucca Mountain, Nevada |
| ISBN | 0894486918; 9780894486913 |
| Volume | 2006 |
| Year Published | 2006 |
| Language | English |
| Larger Work Title | Proceedings of the 11th International High Level Radioactive Waste Management Conference, IHLRWM |
| First page | 390 |
| Last page | 394 |
| Conference Title | 11th International High Level Radioactive Waste Management Conference |
| Conference Location | Las Vegas, NV |
| Conference Date | 30 April 2006 through 4 May 2006 |