Table 21. Compositions of Hydrothermal fluids in Bent Hill Area. SAMPLE Cl (mM) Ca (mM) Mg (mM) Sr (microM) Li (microM) K (mM) SO4 (mM) Na/Cl B (microM) NH4 (microM) "1035A-19X-1, 140-150" 442 46 6 133 288 15 2 1 1200 "1035H-7R-1, 36-43" 443 39 11 133 252 13 9 1168 Los Alamos tool 523 18 48 122 39 10 33 399 1440 Sea Water 558 11 54 87 28 10 28 1 420 1998 Bent Hill Hydrothermal Fluid 421 41 0 166 379 14 0 1 1637 251