| Run ID# | 40/39 | 37/39 | 36/39 | 39K moles | K/Ca | %40* | Age | ± Err | SEM | ||
| H95-63, Q4:34, Sanidine, lower flow, Canyon Rhyolite, Virgin Valley, J=0.001506005+0.000002 | |||||||||||
| 5283-09 | 6.51 | 1.70E-02 | 1.98E-03 | 4.9E-15 | 29.9 | 91.1 | 16.038 | 0.062 | |||
| 5283-08 | 6.05 | 1.38E-02 | 3.58E-04 | 4.3E-15 | 37.0 | 98.3 | 16.071 | 0.058 | |||
| 5283-01 | 6.04 | 1.12E-02 | 2.39E-04 | 1.0E-14 | 45.7 | 98.8 | 16.139 | 0.045 | |||
| 5283-07 | 5.98 | 1.25E-02 | 4.57E-05 | 6.3E-15 | 40.7 | 99.8 | 16.150 | 0.052 | |||
| 5283-04 | 6.91 | 1.03E-02 | 3.13E-03 | 4.0E-15 | 49.6 | 86.6 | 16.192 | 0.069 | |||
| 5283-02 | 6.01 | 1.14E-02 | 5.48E-05 | 4.9E-15 | 44.7 | 99.7 | 16.205 | 0.056 | |||
| 5283-10 | 6.12 | 1.48E-02 | 4.40E-04 | 4.7E-15 | 34.5 | 97.9 | 16.207 | 0.052 | |||
| 5283-05 | 6.00 | 1.12E-02 | 1.53E-05 | 3.0E-15 | 45.4 | 99.9 | 16.208 | 0.068 | |||
| 5283-06 | 6.03 | 1.10E-02 | 1.41E-06 | 2.5E-15 | 46.5 | 100.0 | 16.317 | 0.081 | |||
| 5283-03 | 6.06 | 1.25E-02 | 2.39E-05 | 2.7E-15 | 40.7 | 99.9 | 16.382 | 0.072 | |||
| mean | n=10 | 16.191 | 0.103 | 0.033 | |||||||
| n=8 | 16.151 | 0.066 | 0.023 | ||||||||
| H95-71, Q5:34, Sanidine, uppermost flow, Canyon Rhyolite, Virgin Valley, J=0.001506005+0.000002 | |||||||||||
| 5284-08 | 6.01 | 1.00E-02 | 5.54E-04 | 2.6E-15 | 50.8 | 97.3 | 15.822 | 0.080 | |||
| 5284-07 | 6.01 | 1.19E-02 | 4.87E-04 | 2.2E-15 | 42.9 | 97.6 | 15.883 | 0.103 | |||
| 5284-04 | 6.02 | 1.16E-02 | 4.54E-04 | 3.5E-15 | 43.9 | 97.8 | 15.925 | 0.070 | |||
| 5284-06 | 6.03 | 1.05E-02 | 3.03E-04 | 3.2E-15 | 48.5 | 98.5 | 16.064 | 0.074 | |||
| 5284-03 | 6.01 | 1.28E-02 | 1.86E-04 | 4.9E-15 | 39.8 | 99.1 | 16.108 | 0.055 | |||
| 5284-10 | 6.03 | 1.55E-02 | 2.39E-04 | 4.0E-15 | 32.9 | 98.8 | 16.115 | 0.063 | |||
| 5284-02 | 6.00 | 1.11E-02 | 1.50E-04 | 6.4E-15 | 45.9 | 99.3 | 16.115 | 0.050 | |||
| 5284-01 | 6.02 | 1.13E-02 | 2.01E-04 | 4.9E-15 | 45.1 | 99.0 | 16.118 | 0.057 | |||
| 5284-05 | 6.08 | 1.14E-02 | 3.81E-04 | 6.1E-15 | 44.9 | 98.2 | 16.145 | 0.052 | |||
| 5284-09 | 6.09 | 1.17E-02 | 2.35E-04 | 3.4E-15 | 43.7 | 98.9 | 16.273 | 0.066 | |||
| mean | n=10 | 16.057 | 0.138 | 0.044 | |||||||
| n=6 | 16.111 | 0.026 | 0.011 | ||||||||
| H95-72, Q6:34, Sanidine, Tuff of Big Mountain, Virgin Valley, J=0.001506005+0.000002 | |||||||||||
| 5285-08 | 6.04 | 1.00E-02 | 3.70E-04 | 3.1E-15 | 50.8 | 98.2 | 16.036 | 0.074 | |||
| 5285-01 | 5.98 | 1.23E-02 | 1.41E-04 | 7.7E-15 | 41.5 | 99.3 | 16.063 | 0.047 | |||
| 5285-07 | 6.03 | 1.02E-02 | 2.81E-04 | 9.1E-15 | 50.1 | 98.6 | 16.089 | 0.047 | |||
| 5285-03 | 6.01 | 1.03E-02 | 1.93E-04 | 4.9E-15 | 49.7 | 99.1 | 16.095 | 0.056 | |||
| 5285-04 | 6.00 | 1.01E-02 | 8.68E-05 | 6.6E-15 | 50.5 | 99.6 | 16.158 | 0.051 | |||
| 5285-02 | 6.01 | 9.94E-03 | 1.38E-04 | 1.3E-14 | 51.3 | 99.3 | 16.159 | 0.041 | |||
| 5285-06 | 6.00 | 9.84E-03 | 8.19E-05 | 5.6E-15 | 51.8 | 99.6 | 16.165 | 0.050 | |||
| 5285-05 | 6.00 | 9.47E-03 | 5.56E-05 | 5.3E-15 | 53.9 | 99.7 | 16.175 | 0.055 | |||
| 5285-10 | 5.99 | 9.50E-03 | 7.77E-06 | 5.9E-15 | 53.7 | 100.0 | 16.185 | 0.054 | |||
| 5285-09 | 6.01 | 1.07E-02 | -8.66E-05 | 4.9E-15 | 47.8 | 100.4 | 16.330 | 0.061 | |||
| mean | n=10 | 16.146 | 0.083 | 0.026 | |||||||
| n=9 | 16.125 | 0.055 | 0.018 | ||||||||
| H95-74, Q7:34, Sanidine, Idaho Canyon Tuff, Virgin Valley, J=0.001506005+0.000002 | |||||||||||
| 5286-08 | 6.38 | 5.36E-03 | 1.30E-03 | 5.0E-15 | 95.2 | 94.0 | 16.231 | 0.063 | |||
| 5286-02 | 6.15 | 8.63E-03 | 5.08E-04 | 9.5E-15 | 59.1 | 97.6 | 16.236 | 0.046 | |||
| 5286-09 | 6.18 | 7.63E-03 | 5.71E-04 | 2.9E-15 | 66.9 | 97.3 | 16.250 | 0.078 | |||
| 5286-10 | 6.20 | 1.26E-02 | 6.52E-04 | 5.1E-15 | 40.4 | 96.9 | 16.260 | 0.062 | |||
| 5286-03 | 6.14 | 8.65E-03 | 3.57E-04 | 4.6E-15 | 59.0 | 98.3 | 16.328 | 0.056 | |||
| 5286-05 | 6.25 | 3.84E-03 | 7.23E-04 | 7.1E-15 | 132.7 | 96.6 | 16.339 | 0.049 | |||
| 5286-07 | 6.61 | 3.77E-03 | 1.91E-03 | 3.3E-15 | 135.4 | 91.5 | 16.362 | 0.078 | |||
| 5286-06 | 6.11 | 6.64E-02 | 2.06E-04 | 6.2E-15 | 7.7 | 99.1 | 16.370 | 0.052 | |||
| 5286-04 | 6.46 | 1.17E-02 | 1.07E-03 | 7.4E-15 | 43.5 | 95.1 | 16.609 | 0.054 | |||
| 5286-01 | 10.38 | 7.52E-03 | 6.17E-05 | 1.4E-14 | 67.8 | 99.8 | 27.949 | 0.072 | |||
| mean | n=9 | 16.332 | 0.117 | 0.039 | |||||||
| n=8 | 16.297 | 0.058 | 0.021 | ||||||||
| H95-57, Q1:34, Sanidine, Porphyritic Rhyolite, Virgin Valley, J=0.001506005+0.000002 | |||||||||||
| 5280-04 | 5.85 | 2.15E-03 | 2.20E-04 | 7.0E-15 | 237.0 | 98.9 | 15.650 | 0.049 | |||
| 5280-09 | 5.81 | 2.34E-03 | 4.33E-05 | 5.7E-15 | 218.4 | 99.8 | 15.676 | 0.053 | |||
| 5280-07 | 5.81 | 2.47E-03 | 5.99E-05 | 6.9E-15 | 206.4 | 99.7 | 15.682 | 0.047 | |||
| 5280-03 | 5.86 | 2.29E-03 | 2.00E-04 | 1.7E-14 | 223.3 | 99.0 | 15.689 | 0.037 | |||
| 5280-06 | 5.84 | 4.25E-03 | 1.20E-04 | 1.4E-14 | 120.0 | 99.4 | 15.691 | 0.039 | |||
| 5280-02 | 5.82 | 2.09E-03 | 5.72E-05 | 6.8E-15 | 244.5 | 99.7 | 15.693 | 0.048 | |||
| 5280-05 | 5.83 | 2.01E-03 | 8.11E-05 | 4.6E-15 | 253.2 | 99.6 | 15.718 | 0.057 | |||
| 5280-08 | 5.86 | 2.32E-03 | 2.98E-05 | 6.5E-15 | 219.9 | 99.8 | 15.827 | 0.048 | |||
| 5280-01 | 10.34 | 7.07E-03 | 2.16E-04 | 1.6E-14 | 72.2 | 99.4 | 27.701 | 0.064 | |||
| mean | n=8 | 15.703 | 0.053 | 0.019 | |||||||
| n=7 | 15.686 | 0.020 | 0.008 | ||||||||
| C95-107, J2:43, Sanidine, Peralkaline rhyolite lava, Moonlight Mine, J=0.000692814+0.000002 | |||||||||||
| 5989-05 | 21.15 | 4.53E-03 | 2.83E-02 | 3.0E-15 | 112.5 | 60.5 | 15.927 | 0.135 | |||
| 5989-13 | 22.54 | 3.23E-03 | 3.26E-02 | 7.3E-15 | 157.8 | 57.2 | 16.039 | 0.134 | |||
| 5989-07 | 18.35 | 2.60E-03 | 1.82E-02 | 1.1E-15 | 196.5 | 70.7 | 16.142 | 0.154 | |||
| 5989-10 | 20.91 | 3.11E-03 | 2.66E-02 | 3.9E-15 | 163.9 | 62.5 | 16.247 | 0.116 | |||
| 5989-11 | 14.99 | 5.68E-03 | 6.50E-03 | 2.3E-15 | 89.8 | 87.2 | 16.261 | 0.087 | |||
| 5989-03 | 16.75 | 3.41E-03 | 1.24E-02 | 2.9E-15 | 149.5 | 78.1 | 16.272 | 0.088 | |||
| 5989-14 | 19.49 | 4.01E-03 | 2.16E-02 | 8.6E-15 | 127.1 | 67.3 | 16.326 | 0.100 | |||
| 5989-12 | 20.76 | 4.41E-03 | 2.58E-02 | 5.6E-15 | 115.6 | 63.3 | 16.361 | 0.115 | |||
| 5989-06 | 20.72 | 2.56E-03 | 2.56E-02 | 3.9E-15 | 198.9 | 63.5 | 16.362 | 0.112 | |||
| 5989-04 | 22.77 | 4.97E-03 | 3.25E-02 | 4.3E-15 | 102.6 | 57.8 | 16.376 | 0.128 | |||
| 5989-02 | 18.27 | 4.43E-03 | 1.73E-02 | 3.9E-15 | 115.2 | 72.1 | 16.391 | 0.095 | |||
| 5989-15 | 17.71 | 3.23E-03 | 1.52E-02 | 2.7E-15 | 157.8 | 74.6 | 16.433 | 0.095 | |||
| 5989-09 | 25.44 | 2.52E-03 | 4.10E-02 | 6.3E-15 | 202.4 | 52.4 | 16.574 | 0.155 | |||
| 5989-08 | 25.88 | 3.73E-03 | 4.18E-02 | 7.7E-15 | 136.9 | 52.3 | 16.845 | 0.162 | |||
| 5989-01 | 51.85 | 5.03E-03 | 1.25E-01 | 3.8E-15 | 101.4 | 28.8 | 18.571 | 0.389 | |||
| mean | n=14 | 144.7 | 36.8 | 16.325 | 0.222 | 0.059 | |||||
| C95-103A, J10:43, Sanidine, Biotite rhyolite, Moonlight Mine, J=0.000681846+0.000002 | |||||||||||
| 5997-15 | 14.54 | 1.84E-02 | 4.07E-03 | 3.0E-15 | 27.7 | 91.7 | 16.333 | 0.064 | |||
| 5997-03 | 14.49 | 1.82E-02 | 3.88E-03 | 4.1E-15 | 28.1 | 92.1 | 16.336 | 0.063 | |||
| 5997-13 | 14.84 | 1.80E-02 | 5.05E-03 | 3.0E-15 | 28.4 | 90.0 | 16.349 | 0.068 | |||
| 5997-14 | 15.11 | 1.37E-02 | 5.87E-03 | 6.2E-15 | 37.3 | 88.5 | 16.375 | 0.060 | |||
| 5997-11 | 15.25 | 1.92E-02 | 6.33E-03 | 2.2E-15 | 26.6 | 87.7 | 16.378 | 0.083 | |||
| 5997-10 | 15.12 | 1.50E-02 | 5.88E-03 | 1.9E-15 | 33.9 | 88.5 | 16.387 | 0.087 | |||
| 5997-04 | 14.37 | 1.24E-02 | 3.34E-03 | 2.8E-15 | 41.1 | 93.1 | 16.394 | 0.076 | |||
| 5997-12 | 16.68 | 2.15E-02 | 1.10E-02 | 5.2E-15 | 23.8 | 80.5 | 16.440 | 0.072 | |||
| 5997-02 | 15.87 | 1.71E-02 | 8.22E-03 | 7.0E-15 | 29.8 | 84.7 | 16.458 | 0.063 | |||
| 5997-08 | 15.63 | 1.09E-02 | 7.38E-03 | 2.7E-15 | 46.8 | 86.1 | 16.471 | 0.079 | |||
| 5997-09 | 14.78 | 1.83E-02 | 4.46E-03 | 2.7E-15 | 27.9 | 91.1 | 16.484 | 0.067 | |||
| 5997-07 | 15.85 | 1.91E-02 | 8.01E-03 | 4.4E-15 | 26.6 | 85.1 | 16.515 | 0.069 | |||
| 5997-06 | 15.95 | 1.60E-02 | 8.25E-03 | 3.0E-15 | 31.8 | 84.7 | 16.549 | 0.078 | |||
| 5997-01 | 15.01 | 1.93E-02 | 4.92E-03 | 2.2E-15 | 26.4 | 90.3 | 16.603 | 0.076 | |||
| 5997-05 | 17.41 | 1.62E-02 | 1.28E-02 | 4.1E-15 | 31.5 | 78.3 | 16.700 | 0.082 | |||
| mean | n=15 | 31.2 | 6.3 | 16.451 | 0.106 | 0.027 | |||||
| H95-103, P8:43, Sanidine, Vitrophyric tuff dike above Moonlight Mine, J=0.0006918373+0.000002 | |||||||||||
| 6056-06 | 12.66 | 7.49E-02 | 7.01E-03 | 1.0E-15 | 6.8 | 83.7 | 13.179 | 0.094 | |||
| 6056-09 | 15.97 | 1.89E-01 | 1.56E-02 | 1.4E-16 | 2.7 | 71.2 | 14.139 | 0.583 | |||
| 6056-08 | 20.47 | 1.17E-01 | 2.75E-02 | 2.9E-16 | 4.4 | 60.3 | 15.351 | 0.391 | |||
| 6056-20 | 20.48 | 1.63E-01 | 2.70E-02 | 7.5E-16 | 3.1 | 61.2 | 15.565 | 0.175 | |||
| 6056-11 | 14.88 | 9.35E-02 | 7.90E-03 | 3.8E-16 | 5.5 | 84.4 | 15.602 | 0.216 | |||
| 6056-30 | 17.33 | 1.97E-01 | 1.60E-02 | 6.3E-16 | 2.6 | 72.8 | 15.679 | 0.160 | |||
| 6056-10 | 24.62 | 1.66E-01 | 4.06E-02 | 2.8E-16 | 3.1 | 51.3 | 15.708 | 0.416 | |||
| 6056-13 | 17.00 | 8.89E-02 | 1.48E-02 | 3.9E-16 | 5.7 | 74.4 | 15.712 | 0.258 | |||
| 6056-29 | 14.16 | 2.01E-01 | 5.18E-03 | 3.7E-16 | 2.5 | 89.3 | 15.721 | 0.196 | |||
| 6056-28 | 15.01 | 8.44E-02 | 7.76E-03 | 2.0E-16 | 6.0 | 84.8 | 15.815 | 0.378 | |||
| 6056-16 | 17.15 | 1.37E-01 | 1.50E-02 | 7.3E-16 | 3.7 | 74.2 | 15.818 | 0.151 | |||
| 6056-12 | 16.09 | 1.13E-01 | 1.12E-02 | 2.2E-15 | 4.5 | 79.5 | 15.884 | 0.076 | |||
| 6056-23 | 16.07 | 9.88E-02 | 1.11E-02 | 2.9E-16 | 5.2 | 79.6 | 15.893 | 0.295 | |||
| 6056-14 | 21.20 | 1.03E-01 | 2.82E-02 | 8.2E-16 | 5.0 | 60.7 | 15.989 | 0.160 | |||
| 6056-17 | 17.78 | 1.55E-01 | 1.67E-02 | 5.8E-16 | 3.3 | 72.4 | 15.989 | 0.195 | |||
| 6056-26 | 14.01 | 1.16E-01 | 3.87E-03 | 5.3E-16 | 4.4 | 91.9 | 15.996 | 0.165 | |||
| 6056-31 | 14.01 | 1.25E-01 | 3.80E-03 | 1.2E-15 | 4.1 | 92.1 | 16.023 | 0.079 | |||
| 6056-24 | 17.25 | 7.58E-02 | 1.47E-02 | 9.4E-16 | 6.7 | 74.9 | 16.048 | 0.134 | |||
| 6056-01 | 18.12 | 1.46E-01 | 1.76E-02 | 5.3E-16 | 3.5 | 71.3 | 16.055 | 0.232 | |||
| 6056-32 | 14.61 | 9.07E-02 | 5.47E-03 | 1.1E-15 | 5.6 | 89.0 | 16.151 | 0.113 | |||
| 6056-07 | 18.12 | 1.57E-01 | 1.74E-02 | 1.1E-15 | 3.3 | 71.7 | 16.154 | 0.122 | |||
| 6056-02 | 15.46 | 7.37E-02 | 8.25E-03 | 1.9E-15 | 6.9 | 84.3 | 16.188 | 0.084 | |||
| 6056-22 | 22.40 | 9.20E-02 | 3.17E-02 | 5.1E-16 | 5.5 | 58.2 | 16.199 | 0.260 | |||
| 6056-18 | 14.72 | 9.34E-02 | 5.54E-03 | 2.3E-16 | 5.5 | 88.9 | 16.270 | 0.353 | |||
| 6056-27 | 16.73 | 6.20E-02 | 1.22E-02 | 1.2E-15 | 8.2 | 78.4 | 16.297 | 0.100 | |||
| 6056-19 | 18.18 | 7.85E-02 | 1.71E-02 | 8.3E-16 | 6.5 | 72.3 | 16.330 | 0.153 | |||
| 6056-03 | 17.85 | 1.05E-01 | 1.59E-02 | 1.4E-15 | 4.9 | 73.7 | 16.352 | 0.101 | |||
| 6056-25 | 13.82 | 1.21E-01 | 2.08E-03 | 2.2E-16 | 4.2 | 95.6 | 16.420 | 0.312 | |||
| 6056-21 | 16.66 | 1.03E-01 | 1.16E-02 | 3.2E-16 | 5.0 | 79.5 | 16.468 | 0.313 | |||
| 6056-05 | 20.83 | 9.39E-02 | 2.52E-02 | 2.6E-16 | 5.4 | 64.3 | 16.638 | 0.371 | |||
| 6056-04 | 19.12 | 9.44E-02 | 1.92E-02 | 8.4E-16 | 5.4 | 70.4 | 16.722 | 0.184 | |||
| 6056-15 | 19.49 | 2.52E-01 | 2.00E-02 | 3.8E-16 | 2.0 | 69.8 | 16.907 | 0.290 | |||
| mean | n=30 | 4.7 | 1.4 | 16.065 | 0.360 | 0.066 | |||||
| mean | n=7 | #VALUE! | #VALUE! | 16.150 | 0.159 | 0.060 | |||||
| C95-147, B14, NM-101, Sanidine, Rhyolite of Buff Peak, J=0.000764805±0.10%, D=1.00361±0.00157, NM-101, Lab#=9946 | |||||||||||
| 10 | 10.71 | 9.90E-03 | 7.17E-01 | 6.9E-01 | 51.5 | 98.0 | 14.431 | 0.064 | |||
| 08 | 10.66 | 7.67E-03 | 4.40E-01 | 2.4E+00 | 66.5 | 98.8 | 14.467 | 0.039 | |||
| 09 | 11.13 | 8.42E-03 | 1.97E+00 | 2.0E+00 | 60.6 | 94.8 | 14.493 | 0.041 | |||
| 11 | 10.88 | 6.89E-03 | 1.05E+00 | 1.5E+00 | 74.1 | 97.2 | 14.529 | 0.041 | |||
| 04 | 10.83 | 5.44E-03 | 8.14E-01 | 2.0E+00 | 93.8 | 97.8 | 14.548 | 0.044 | |||
| 05 | 10.95 | 4.65E-03 | 1.23E+00 | 1.4E+00 | 109.7 | 96.7 | 14.548 | 0.056 | |||
| 12 | 13.46 | 9.20E-03 | 9.67E+00 | 8.9E-01 | 55.5 | 78.8 | 14.566 | 0.097 | |||
| 06 | 10.83 | 5.17E-03 | 7.55E-01 | 2.2E+00 | 98.8 | 97.9 | 14.580 | 0.038 | |||
| 03 | 11.88 | 6.15E-03 | 4.30E+00 | 1.5E+00 | 82.9 | 89.3 | 14.581 | 0.062 | |||
| 14 | 11.09 | 8.60E-03 | 1.55E+00 | 3.5E-01 | 59.3 | 95.9 | 14.606 | 0.113 | |||
| 07 | 10.84 | 7.58E-03 | 6.94E-01 | 2.9E+00 | 67.3 | 98.1 | 14.612 | 0.040 | |||
| 16 | 11.60 | 4.35E-03 | 3.23E+00 | 6.7E-01 | 117.3 | 91.8 | 14.623 | 0.073 | |||
| 01 | 10.81 | 4.97E-03 | 4.61E-01 | 3.3E+00 | 102.7 | 98.7 | 14.672 | 0.037 | |||
| 02 | 10.79 | 6.98E-03 | 3.01E-01 | 1.8E+00 | 73.1 | 99.2 | 14.700 | 0.043 | |||
| 13 | 11.26 | 5.85E-01 | -1.51E-01 | 1.1E-01 | 0.9 | 100.8 | 15.601 | 0.288 | |||
| weighted mean ± Taylor err | n=14 | 79.5 ±21.5 | 14.570 | 0.013 | |||||||
| GC-133, B1:62, Sanidine, Tuff of Chimney Springs, J=0.000840342±0.09%, NM-62, Lab#=7452 | |||||||||||
| 21 | 16.56 | 1.33E-02 | 3.46E-01 | 3.3E+00 | 38.5 | 99.400 | 24.775 | 0.137 | |||
| 2 | 16.60 | 2.92E-02 | 4.61E-01 | 5.2E+00 | 17.5 | 99.200 | 24.788 | 0.113 | |||
| 6 | 16.53 | 1.96E-02 | 1.58E-01 | 5.2E+00 | 26.0 | 99.700 | 24.817 | 0.120 | |||
| 7 | 16.51 | 2.21E-02 | 7.47E-02 | 4.4E+00 | 23.1 | 99.900 | 24.826 | 0.119 | |||
| 3 | 16.64 | 1.24E-02 | 4.62E-01 | 3.5E+00 | 41.1 | 99.200 | 24.844 | 0.121 | |||
| 1 | 16.67 | 1.16E-02 | 5.31E-01 | 3.7E+00 | 43.9 | 99.100 | 24.857 | 0.128 | |||
| 8 | 16.57 | 1.14E-02 | 1.56E-01 | 4.7E+00 | 44.7 | 99.700 | 24.883 | 0.118 | |||
| 4 | 16.56 | 1.14E-02 | 9.32E-02 | 4.1E+00 | 44.7 | 99.800 | 24.889 | 0.119 | |||
| 22 | 16.58 | 9.90E-03 | 1.73E-01 | 5.0E+00 | 51.5 | 99.700 | 24.890 | 0.108 | |||
| 26 | 16.62 | 1.92E-02 | 3.01E-01 | 2.7E+00 | 26.6 | 99.500 | 24.896 | 0.130 | |||
| 27 | 16.65 | 1.99E-02 | 3.13E-01 | 1.8E+00 | 25.6 | 99.500 | 24.928 | 0.130 | |||
| 23 | 16.59 | 1.72E-02 | 1.15E-01 | 3.6E+00 | 29.6 | 99.800 | 24.934 | 0.124 | |||
| 20 | 16.65 | 1.09E-02 | 2.84E-01 | 2.8E+00 | 46.6 | 99.500 | 24.945 | 0.126 | |||
| 24 | 16.68 | 1.37E-02 | 3.34E-01 | 2.6E+00 | 37.4 | 99.400 | 24.961 | 0.130 | |||
| 5 | 16.73 | 1.31E-02 | 3.16E-01 | 3.2E+00 | 38.8 | 99.400 | 25.047 | 0.124 | |||
| 25 | 16.76 | 1.30E-02 | 2.59E-01 | 2.2E+00 | 39.1 | 99.500 | 25.114 | 0.135 | |||
| weighted mean ± S & A err | n=16 | 35.9 ±19.8 | 24.896 | 0.035 | |||||||
| Run ID# | Temp | 40/39 | 37/39 | 36/39 | 39K moles | K/Ca | Cl/K | %40* | %39Ar | Age | ± Err |
| C95-105, J3:43, adularia, altered rhyolite, Moonlight Mine, J=0.0006910611±0.000002 | |||||||||||
| 5990-01A | 750 | 1.73E+02 | 6.19E-03 | 5.37E-01 | 1.4E-15 | 8.2E+01 | 1.0E-03 | 8.2 | 3.24 | 17.467 | 1.455 |
| 5990-01B | 850 | 1.92E+01 | 3.73E-03 | 2.11E-02 | 2.8E-15 | 1.4E+02 | 5.4E-04 | 67.5 | 9.61 | 16.111 | 0.109 |
| 5990-01C | 950 | 1.35E+01 | 1.80E-03 | 1.85E-03 | 4.6E-15 | 2.8E+02 | 1.9E-04 | 96.0 | 20.25 | 16.116 | 0.049 |
| 5990-01D | 1050 | 1.34E+01 | 2.26E-03 | 1.41E-03 | 4.5E-15 | 2.3E+02 | 2.2E-04 | 96.9 | 30.53 | 16.134 | 0.050 |
| 5990-01E | 1150 | 1.35E+01 | 1.93E-03 | 1.95E-03 | 4.5E-15 | 2.6E+02 | 3.2E-04 | 95.8 | 40.90 | 16.091 | 0.048 |
| 5990-01F | 1250 | 1.41E+01 | 4.66E-03 | 3.90E-03 | 3.5E-15 | 1.1E+02 | 3.9E-04 | 91.8 | 48.95 | 16.106 | 0.059 |
| 5990-01G | 1350 | 1.58E+01 | 2.08E-02 | 9.71E-03 | 3.9E-15 | 2.5E+01 | 9.6E-05 | 81.8 | 57.98 | 16.005 | 0.071 |
| 5990-01H | 1410 | 1.69E+01 | 1.35E-02 | 1.30E-02 | 8.0E-15 | 3.8E+01 | 2.2E-04 | 77.2 | 76.39 | 16.160 | 0.073 |
| 5990-01I | 1460 | 1.81E+01 | 2.45E-02 | 1.69E-02 | 8.1E-15 | 2.1E+01 | 3.0E-04 | 72.4 | 94.93 | 16.211 | 0.080 |
| 5990-01J | 1530 | 1.82E+01 | 6.07E-02 | 1.65E-02 | 1.8E-15 | 8.4E+00 | 5.5E-04 | 73.3 | 98.95 | 16.591 | 0.111 |
| 5990-01K | 1700 | 2.18E+01 | 1.05E+00 | 3.16E-02 | 3.9E-16 | 4.9E-01 | ##### | 57.6 | 99.84 | 15.632 | 0.355 |
| 5990-01L | 1750 | 7.09E+01 | 1.96E+01 | 2.29E-01 | 4.1E-17 | 2.6E-02 | 3.8E-03 | 6.8 | 99.94 | 6.073 | 3.449 |
| 5990-01M | 1750 | 8.29E+01 | 2.08E+01 | 2.64E-01 | 2.8E-17 | 2.5E-02 | ##### | 7.8 | #### | 8.164 | 5.189 |
| total gas age | n=13 | 4.4E-14 | 1.1E+02 | 1.0E+02 | 16.174 | 0.123 | |||||
| H95-59B, Q3:34, vapor phase Alk Feld, Peralkaline rhyolite, Virgin Valley, J=0.001506005±0.000002 | |||||||||||
| 5282-01A | 700 | 2.96E+01 | 5.86E-03 | 8.28E-02 | 2.3E-15 | 8.7E+01 | 4.8E-06 | 17.2 | 0.84 | 13.777 | 0.524 |
| 5282-01B | 900 | 6.61291 | 1.19E-03 | 2.26E-03 | 4.3E-14 | 4.3E+02 | 2.1E-04 | 89.9 | 16.79 | 16.084 | 0.043 |
| 5282-01C | 1000 | 6.34814 | 8.19E-04 | 1.45E-03 | 6.7E-14 | 6.2E+02 | 2.6E-04 | 93.3 | 41.49 | 16.013 | 0.040 |
| 5282-01D | 1100 | 7.06677 | 1.47E-03 | 3.93E-03 | 7.0E-14 | 3.5E+02 | 1.9E-04 | 83.6 | 67.19 | 15.972 | 0.052 |
| 5282-01E | 1150 | 8.04286 | 1.23E-03 | 7.29E-03 | 3.6E-14 | 4.1E+02 | 1.9E-04 | 73.2 | 80.40 | 15.928 | 0.065 |
| 5282-01F | 1200 | 16.42675 | 1.04E-03 | 3.71E-02 | 2.1E-14 | 4.9E+02 | 1.0E-04 | 33.3 | 88.09 | 14.799 | 0.223 |
| 5282-01G | 1250 | 23.24028 | 9.45E-04 | 6.10E-02 | 1.6E-14 | 5.4E+02 | 1.3E-04 | 22.5 | 93.82 | 14.140 | 0.330 |
| 5282-01H | 1300 | 2.20E+01 | 1.08E-03 | 5.58E-02 | 1.2E-14 | 4.7E+02 | 3.1E-04 | 25.1 | 98.23 | 14.954 | 0.322 |
| 5282-01I | 1350 | 2.24E+01 | 1.37E-03 | 5.63E-02 | 3.3E-15 | 3.7E+02 | 8.9E-05 | 25.7 | 99.44 | 15.559 | 0.362 |
| 5282-01J | 1400 | 2.68E+01 | 2.11E-03 | 7.26E-02 | 1.5E-15 | 2.4E+02 | 1.9E-04 | 20.1 | 100.00 | 14.555 | 0.580 |
| total gas age | 2.7E-13 | n=10 | 15.723 | 0.101 | |||||||
| H95-59A, Q2:34, vapor phase Alk Feld, Peralkaline rhyolite, Virgin Valley; 6.1 mg, J=0.001506005±0.000002 | |||||||||||
| 5281-01A | 700 | 4.33E+01 | 5.85E-03 | 1.24E-01 | 3.1E-16 | 8.7E+01 | 3.2E-04 | 15.2 | 0.35 | 17.814 | 1.555 |
| 5281-01B | 900 | 6.70E+00 | 1.72E-03 | 2.04E-03 | 2.7E-15 | 3.0E+02 | 2.3E-04 | 91.0 | 3.42 | 16.494 | 0.144 |
| 5281-01C | 1000 | 6.65E+00 | 7.56E-04 | 2.60E-03 | 7.3E-15 | 6.8E+02 | 7.3E-05 | 88.4 | 11.57 | 15.903 | 0.089 |
| 5281-01D | 1100 | 6.72E+00 | 9.30E-04 | 2.66E-03 | 1.2E-14 | 5.5E+02 | 1.9E-04 | 88.3 | 25.10 | 16.046 | 0.054 |
| 5281-01E | 1200 | 6.46E+00 | 8.47E-04 | 1.90E-03 | 1.9E-14 | 6.0E+02 | 2.5E-04 | 91.3 | 46.11 | 15.962 | 0.051 |
| 5281-01F | 1300 | 7.98E+00 | 8.32E-04 | 7.27E-03 | 2.4E-14 | 6.1E+02 | 2.4E-04 | 73.1 | 73.38 | 15.775 | 0.071 |
| 5281-01G | 1350 | 7.92E+00 | 1.29E-03 | 6.66E-03 | 1.3E-14 | 4.0E+02 | 1.5E-04 | 75.1 | 87.98 | 16.086 | 0.074 |
| 5281-01H | 1400 | 8.99E+00 | 2.02E-03 | 9.95E-03 | 4.4E-15 | 2.5E+02 | 1.9E-04 | 67.3 | 92.89 | 16.359 | 0.124 |
| 5281-01I | 1500 | 1.27E+01 | 2.51E-03 | 2.17E-02 | 2.2E-15 | 2.0E+02 | 3.5E-04 | 49.4 | 95.31 | 16.946 | 0.228 |
| 5281-01J | 1750 | 9.70E+00 | 4.28E-03 | 4.56E-03 | 3.7E-15 | 1.2E+02 | 2.5E-04 | 86.1 | 99.45 | 22.544 | 0.116 |
| 5281-01K | 1750 | 9.44E+00 | 6.50E-03 | 1.13E-03 | 4.9E-16 | 7.9E+01 | 9.9E-04 | 96.5 | 100.00 | 24.562 | 0.605 |
| total gas age | 8.9E-14 | n=11 | 16.321 | 0.085 | |||||||
| H95-106, P9:43, Biotite, Rhyolite vent, Virgin Valley, J=0.0006915317±0.000002 | |||||||||||
| 6057-01A | 650 | 3.47E+02 | 5.75E-02 | 1.09E+00 | 6.1E-17 | 8.9E+00 | -3.2E-03 | 6.9 | 0.53 | 29.661 | 9.399 |
| 6057-01B | 750 | 1.50E+02 | 7.91E-03 | 4.44E-01 | 8.4E-17 | 6.5E+01 | 1.1E-03 | 12.4 | 1.27 | 22.930 | 3.400 |
| 6057-01C | 850 | 5.15E+01 | 2.69E-02 | 1.28E-01 | 1.7E-16 | 1.9E+01 | 5.2E-04 | 26.8 | 2.79 | 17.119 | 1.296 |
| 6057-01D | 930 | 18.84310 | 1.65E-02 | 2.09E-02 | 7.7E-16 | 3.1E+01 | 3.4E-04 | 67.2 | 9.53 | 15.731 | 0.188 |
| 6057-01E | 1025 | 14.25828 | 6.70E-03 | 5.47E-03 | 3.5E-15 | 7.6E+01 | 4.2E-04 | 88.7 | 40.53 | 15.703 | 0.055 |
| 6057-01F | 1100 | 14.57912 | 8.32E-03 | 6.39E-03 | 3.0E-15 | 6.1E+01 | 4.0E-04 | 87.0 | 66.45 | 15.763 | 0.071 |
| 6057-01G | 1180 | 17.09066 | 4.37E-02 | 1.45E-02 | 1.6E-15 | 1.2E+01 | 8.1E-04 | 74.9 | 80.28 | 15.896 | 0.143 |
| 6057-01H | 1230 | 15.99810 | 5.52E-02 | 1.16E-02 | 1.7E-15 | 9.2E+00 | 4.5E-04 | 78.6 | 95.22 | 15.615 | 0.091 |
| 6057-01I | 1280 | 1.54E+01 | 5.44E-02 | 7.92E-03 | 5.0E-16 | 9.4E+00 | 1.2E-03 | 84.8 | 99.63 | 16.209 | 0.249 |
| 6057-01J | 1350 | 6.72E+01 | 1.16E+00 | 2.24E-01 | 1.6E-17 | 4.4E-01 | -1.1E-02 | 1.7 | 99.77 | 1.401 | 7.004 |
| 6057-01K | 1650 | 1.16E+02 | 4.83E+00 | 3.86E-01 | 2.6E-17 | 1.1E-01 | -6.7E-03 | 2.1 | 100.00 | 3.118 | 7.758 |
| total gas age | n=11 | 1.1E-14 | 4.6E+01 | 2.8E+01 | 15.856 | 0.215 | |||||
| C98-79 B:13:101, Sanidine, Dacite intrusion, Mullen Pass, 8.75 mg, J=0.000764126±0.10%, D=1.00361±0.00157, nm-101, Lab#=9945-01 | |||||||||||
| A | 600 | 8.06E+02 | 1.22E+00 | 2.50E+03 | 3.1E-02 | 4.2E-01 | -1.9E+01 | 8.2 | 0.01 | 89.266 | 266.456 |
| B | 600 | 1.22E+02 | 3.64E-01 | 3.39E+02 | 1.6E-01 | 1.4E+00 | -6.3E+00 | 17.9 | 0.04 | 29.827 | 8.952 |
| C | 650 | 1.75E+02 | 2.59E-01 | 4.96E+02 | 1.4E-01 | 2.0E+00 | -1.0E+01 | 16.4 | 0.08 | 39.163 | 13.444 |
| D | 650 | 5.07E+01 | 1.57E-01 | 9.65E+01 | 2.7E-01 | 3.3E+00 | -9.4E+00 | 43.8 | 0.14 | 30.313 | 2.672 |
| E | 700 | 3.19E+01 | 1.90E-01 | 3.95E+01 | 1.5E-01 | 2.7E+00 | 3.4E+00 | 63.5 | 0.18 | 27.728 | 3.029 |
| F | 800 | 2.24E+01 | 8.05E-02 | 1.34E+01 | 2.0E+00 | 6.3E+00 | 3.9E-01 | 82.4 | 0.63 | 25.278 | 0.358 |
| G | 900 | 1.87E+01 | 4.25E-02 | 5.46E+00 | 5.4E+00 | 1.2E+01 | 5.4E-01 | 91.4 | 1.90 | 23.453 | 0.142 |
| H | 1000 | 1.77E+01 | 2.71E-02 | 1.69E+00 | 1.4E+01 | 1.9E+01 | 3.9E-01 | 97.2 | 5.10 | 23.532 | 0.079 |
| I | 1075 | 1.75E+01 | 2.14E-02 | 8.93E-01 | 2.0E+01 | 2.4E+01 | 5.7E-01 | 98.5 | 9.77 | 23.541 | 0.058 |
| J | 1150 | 1.79E+01 | 2.09E-02 | 2.25E+00 | 2.5E+01 | 2.4E+01 | 4.3E-01 | 96.3 | 15.65 | 23.555 | 0.058 |
| K | 1200 | 1.74E+01 | 1.94E-02 | 8.88E-01 | 3.1E+01 | 2.6E+01 | 2.6E-01 | 98.5 | 22.91 | 23.489 | 0.051 |
| L | 1250 | 1.74E+01 | 1.49E-02 | 8.30E-01 | 3.6E+01 | 3.4E+01 | 5.6E-01 | 98.6 | 31.22 | 23.551 | 0.052 |
| M | 1300 | 1.74E+01 | 1.18E-02 | 8.65E-01 | 7.2E+01 | 4.3E+01 | 2.6E-01 | 98.5 | 47.93 | 23.548 | 0.053 |
| N | 1400 | 1.73E+01 | 1.15E-02 | 8.10E-01 | 1.5E+02 | 4.4E+01 | 3.3E-01 | 98.6 | 83.17 | 23.362 | 0.064 |
| O | 1650 | 1.92E+01 | 1.42E-02 | 6.49E+00 | 7.2E+01 | 3.6E+01 | 2.5E-01 | 90.0 | 100.00 | 23.722 | 0.060 |
| total gas age | n=15 | 4.3E+02 | 3.7E+01 | 23.532 | 0.092 | ||||||
| plateau | n=8 | steps G-N | 3.5E+02 | 3.7E+01 | 82.54 | 23.514 | 0.031 |