Hot Springs

Map coordinates:  39.0303, -116.666
Water temperature:   140.9°F
Site ID:   nv_dpb

Dianas Punch Bowl (Dianna's, Devils) (Sec. 22, T14N, R47E) is a cup-shaped depression about 15 m in diameter at the top of a domelike hill of travertine about 183 m in diameter. Warm water in the pool of the bowl is about 9 m below the rim, while the top of the hill is about 23 m above the level of Monitor Valley.

A small warm spring, about 43-49°C in temperature, issues from the southwest corner of the travertine dome (Fiero, 1968). Temperatures up to 59°C have been reported, and the estimated minimum reservoir temperature by several chemical geothermometers is 88-97.7°C (Mariner and others, 1974; Hose and Taylor, 1974).

Very slightly anomalous radioactivity (16 μR/hr) is reported by Wollenberg (1974b). The thermal area lies on a north-trending, concealed fault in the central part of Monitor Valley (Stewart and Carlson, 1974; Fiero, 1968). Spurr (1905, p. 257) describes a report by J.L. Butler that the water level had lowered and water became cooler in the years prior to 1905. Also, he reported that more gas was formerly emitted and occasional flames were seen.

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1. Sample date:1966-12-09
2. Sodium (Na):55
3. Potassium (K):16
4. Lab-test pH:7.3
5. Calcium (Ca):52
6. Total dissolved solids:399
7. Magnesium (Mg):11
8. Iron (Fe):n/a
9. Strontium (Sr):n/a
10. Lithium (Li):0.09
11. Boron (B):0.32
12. Silica (SiO₂):43
13. Bicarbonate (HCO₃):300
14. Sulfate (SO₄):62
15. Chloride (Cl):10
16. Fluoride (F):n/a