Spot name | U (µg/g) | Th (µg/g) | Th/U | f206a | Concordia diagram (204Pb corr.) | 206Pb/238U Age (Ma) | ± 1σ | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
207Pb/235U | ± 1σ% | 206Pb/238U | ± 1σ% | ρ | ||||||||
Malone Valley–AV16-45 micaschist | ||||||||||||
@16 | 49 | 1 | 0.02 | 1.43 | 0.2968 | 6.29 | 0.03992 | 2.00 | 0.3187 | 252.3 | 5.0 | Possible Pb loss |
@9 | 314 | 4 | 0.01 | 2.02 | 0.3194 | 5.96 | 0.04411 | 1.21 | 0.2031 | 278.3 | 3.3 | Rim |
@12 | 417 | 2 | 0.00 | 0.26 | 0.3241 | 2.61 | 0.04479 | 1.82 | 0.6997 | 282.5 | 5.0 | Rim |
@11 | 209 | 4 | 0.02 | 1.22 | 0.2959 | 5.57 | 0.04482 | 2.34 | 0.4189 | 282.7 | 6.5 | Rim |
@20 | 253 | 3 | 0.01 | 0.50 | 0.3118 | 3.57 | 0.04517 | 2.01 | 0.5622 | 284.8 | 5.6 | Rim |
@18 | 283 | 4 | 0.01 | 0.27 | 0.3246 | 2.95 | 0.04521 | 1.96 | 0.6637 | 285.0 | 5.5 | Rim |
@8 | 240 | 3 | 0.01 | 0.32 | 0.3283 | 3.29 | 0.04521 | 2.13 | 0.6481 | 285.0 | 6.0 | Rim |
@14 | 344 | 5 | 0.01 | 0.46 | 0.3128 | 3.12 | 0.04528 | 1.85 | 0.5938 | 285.5 | 5.2 | Rim |
@10 | 236 | 3 | 0.01 | 0.39 | 0.3390 | 3.41 | 0.04580 | 2.13 | 0.6250 | 288.7 | 6.0 | Rim |
@19 | 257 | 3 | 0.01 | 0.32 | 0.3317 | 2.63 | 0.04632 | 1.13 | 0.4282 | 291.9 | 3.2 | Rim |
@4 | 257 | 4 | 0.02 | 2.01 | 0.3570 | 5.80 | 0.04633 | 2.13 | 0.3676 | 292.0 | 6.1 | Rim |
@17 | 277 | 3 | 0.01 | 0.14 | 0.3312 | 4.42 | 0.04638 | 3.98 | 0.9008 | 292.3 | 11.4 | Rim |
@13 | 265 | 4 | 0.01 | 0.16 | 0.3303 | 2.93 | 0.04640 | 2.08 | 0.7089 | 292.4 | 5.9 | Rim |
@3 | 364 | 4 | 0.01 | 0.24 | 0.3390 | 2.87 | 0.04672 | 1.77 | 0.6176 | 294.3 | 5.1 | Rim |
@5 | 251 | 4 | 0.01 | 0.69 | 0.3193 | 4.68 | 0.04692 | 2.12 | 0.4525 | 295.6 | 6.1 | Rim |
@7 | 207 | 3 | 0.01 | 1.49 | 0.3280 | 5.56 | 0.04720 | 2.27 | 0.4078 | 297.3 | 6.6 | Rim |
@6 | 170 | 8 | 0.05 | 0.69 | 0.3318 | 4.10 | 0.04783 | 2.17 | 0.5306 | 301.2 | 6.4 | Rim |
@1 | 299 | 4 | 0.01 | 0.17 | 0.3450 | 2.72 | 0.04849 | 1.93 | 0.7091 | 305.3 | 5.8 | Rim |
@15 | 479 | 5 | 0.01 | 0.15 | 0.3512 | 2.74 | 0.04862 | 2.41 | 0.8797 | 306.1 | 7.2 | Rim |
@2 | 451 | 24 | 0.06 | 0.56 | 0.6769 | 2.82 | 0.08389 | 1.08 | 0.3832 | 519.3 | 5.4 | Core |
Malone Valley–AV16-51 Lws-micaschist | ||||||||||||
@8 | 273 | 52 | 0.20 | 0.61 | 0.2810 | 5.20 | 0.04230 | 2.80 | 0.5500 | 267.0 | 7.0 | Rim |
@1 | 333 | 9 | 0.03 | 0.25 | 0.3050 | 3.50 | 0.04310 | 2.40 | 0.6700 | 272.0 | 6.0 | Rim |
@21 | 168 | 42 | 0.26 | 0.45 | 0.3222 | 5.62 | 0.04312 | 4.59 | 0.8165 | 272.1 | 12.2 | Rim |
@10 | 358 | 23 | 0.07 | 0.20 | 0.3140 | 3.50 | 0.04340 | 2.50 | 0.7100 | 274.0 | 7.0 | Rim |
@9 | 374 | 7 | 0.02 | 0.30 | 0.2980 | 3.70 | 0.04400 | 2.50 | 0.6600 | 277.0 | 7.0 | Rim |
@11b | 267 | 54 | 0.21 | 0.20 | 0.3070 | 4.10 | 0.04400 | 2.80 | 0.6700 | 278.0 | 8.0 | Rim |
@14 | 308 | 35 | 0.12 | 0.37 | 0.2960 | 4.20 | 0.04430 | 2.50 | 0.6000 | 279.0 | 7.0 | Rim |
@24 | 295 | 14 | 0.05 | 0.62 | 0.3005 | 3.82 | 0.04455 | 2.08 | 0.5443 | 280.9 | 5.7 | Rim |
@2 | 393 | 15 | 0.04 | 0.18 | 0.3290 | 3.30 | 0.04470 | 2.40 | 0.7300 | 282.0 | 7.0 | Rim |
@27 | 236 | 3 | 0.01 | 0.23 | 0.3205 | 3.29 | 0.04493 | 2.25 | 0.6837 | 283.3 | 6.2 | Rim |
@28 | 278 | 5 | 0.02 | 0.45 | 0.3206 | 3.00 | 0.04512 | 1.15 | 0.3815 | 284.5 | 3.2 | Rim |
@20 | 363 | 43 | 0.12 | 0.19 | 0.3259 | 2.89 | 0.04539 | 2.04 | 0.7054 | 286.1 | 5.7 | Rim |
@19 | 200 | 41 | 0.21 | 0.12 | 0.3323 | 5.12 | 0.04540 | 2.24 | 0.4370 | 286.2 | 6.3 | Rim |
@15 | 355 | 20 | 0.06 | 0.49 | 0.3100 | 4.00 | 0.04550 | 2.30 | 0.5700 | 287.0 | 6.0 | Rim |
@13 | 435 | 56 | 0.13 | 0.00 | 0.3300 | 3.30 | 0.04560 | 2.20 | 0.6700 | 287.0 | 6.0 | Rim |
@22 | 275 | 5 | 0.02 | 0.24 | 0.3190 | 3.07 | 0.04560 | 2.06 | 0.6694 | 287.5 | 5.8 | Rim |
@7 | 734 | 253 | 0.36 | 0.07 | 0.3360 | 2.40 | 0.04590 | 1.90 | 0.8000 | 289.0 | 5.0 | Rim |
@23 | 214 | 7 | 0.04 | 0.46 | 0.3154 | 4.57 | 0.04592 | 3.38 | 0.7389 | 289.4 | 9.6 | Rim |
@12 | 192 | 23 | 0.12 | 0.37 | 0.3270 | 5.10 | 0.04610 | 3.00 | 0.5900 | 290.0 | 9.0 | Rim |
@16b | 230 | 2 | 0.01 | 0.00 | 0.3390 | 3.37 | 0.04626 | 2.16 | 0.6395 | 291.5 | 6.1 | Rim |
@26 | 418 | 59 | 0.15 | 0.25 | 0.3246 | 2.66 | 0.04640 | 1.82 | 0.6824 | 292.4 | 5.2 | Rim |
@6 | 167 | 49 | 0.30 | 0.81 | 0.3250 | 6.60 | 0.04660 | 3.20 | 0.4800 | 294.0 | 9.0 | Rim |
@18 | 210 | 14 | 0.07 | 0.26 | 0.3362 | 3.48 | 0.04709 | 2.27 | 0.6516 | 296.6 | 6.6 | Rim |
@25 | 333 | 18 | 0.06 | 0.25 | 0.3261 | 3.55 | 0.04712 | 2.86 | 0.8062 | 296.8 | 8.3 | Rim |
@17 | 339 | 16 | 0.05 | 0.48 | 0.3195 | 3.25 | 0.04720 | 1.87 | 0.5753 | 297.3 | 5.4 | Rim |
@3 | 322 | 92 | 0.30 | 0.08 | 0.4000 | 3.30 | 0.05520 | 2.50 | 0.7400 | 346.0 | 8.0 | Core |
Monte Mucrone–AV17-07 micaschist | ||||||||||||
@5 | 119 | 9 | 0.08 | 1.33 | 0.1364 | 6.14 | 0.01974 | 2.89 | 0.4701 | 126.0 | 3.6 | Possible Pb loss |
@7 | 348 | 17 | 0.05 | 1.13 | 0.1573 | 6.50 | 0.02366 | 2.48 | 0.3815 | 150.7 | 3.7 | Possible Pb loss |
@26 | 330 | 2 | 0.01 | 0.04 | 0.1769 | 12.10 | 0.02413 | 12.00 | 0.9922 | 153.7 | 18.2 | Possible Pb loss |
@6 | 271 | 2 | 0.01 | 0.28 | 0.1933 | 3.26 | 0.02697 | 2.05 | 0.6295 | 171.5 | 3.5 | Possible Pb loss |
@9 | 345 | 5 | 0.01 | 0.51 | 0.2143 | 3.37 | 0.03078 | 1.82 | 0.5410 | 195.4 | 3.5 | Possible Pb loss |
@29 | 266 | 3 | 0.01 | 0.25 | 0.2488 | 2.92 | 0.03301 | 1.91 | 0.6541 | 209.4 | 3.9 | Possible Pb loss |
@11 | 243 | 2 | 0.01 | 0.14 | 0.2394 | 3.05 | 0.03308 | 2.01 | 0.6577 | 209.8 | 4.2 | Possible Pb loss |
@2 | 392 | 2 | 0.00 | 0.36 | 0.2313 | 6.35 | 0.03412 | 5.82 | 0.9161 | 216.3 | 12.4 | Possible Pb loss |
@32 | 221 | 4 | 0.02 | 0.43 | 0.2771 | 4.43 | 0.03800 | 2.06 | 0.4649 | 240.4 | 4.9 | Possible Pb loss |
@31 | 332 | 8 | 0.03 | 0.47 | 0.2709 | 3.21 | 0.03900 | 1.79 | 0.5586 | 246.6 | 4.3 | Possible Pb loss |
@3 | 220 | 3 | 0.01 | 0.29 | 0.2731 | 3.41 | 0.03958 | 2.13 | 0.6252 | 250.2 | 5.2 | Possible Pb loss |
@12 | 285 | 3 | 0.01 | 0.43 | 0.2856 | 3.87 | 0.04132 | 1.97 | 0.5093 | 261.0 | 5.0 | Possible Pb loss |
@27 | 45 | 2 | 0.04 | 1.00 | 0.2768 | 6.05 | 0.04289 | 1.15 | 0.1894 | 270.7 | 3.0 | Possible Pb loss |
@10 | 507 | 5 | 0.01 | 0.91 | 0.3026 | 3.48 | 0.04328 | 1.64 | 0.4720 | 273.1 | 4.4 | Possible Pb loss |
@22 | 291 | 3 | 0.01 | 1.79 | 0.2968 | 5.59 | 0.04461 | 1.91 | 0.3411 | 281.3 | 5.3 | Rim1 |
@20 | 178 | 3 | 0.02 | 0.12 | 0.3194 | 2.86 | 0.04512 | 2.53 | 0.8831 | 284.5 | 7.0 | Rim1 |
@17 | 232 | 5 | 0.02 | 0.25 | 0.3097 | 3.02 | 0.04558 | 1.91 | 0.6321 | 287.3 | 5.4 | Rim1 |
@19 | 1010 | 12 | 0.01 | 0.38 | 0.4202 | 7.81 | 0.04624 | 3.00 | 0.3843 | 291.4 | 5.5 | Rim1 |
@4 | 279 | 4 | 0.01 | 0.95 | 0.3347 | 3.99 | 0.04624 | 1.92 | 0.4814 | 291.7 | 5.5 | Rim1 |
@24 | 211 | 6 | 0.03 | 2.55 | 0.3743 | 14.47 | 0.04629 | 3.70 | 0.2554 | 292.9 | 10.6 | Rim1 |
@8 | 196 | 4 | 0.02 | 0.62 | 0.3232 | 4.16 | 0.04649 | 2.19 | 0.5257 | 293.4 | 6.3 | Rim1 |
@30 | 237 | 6 | 0.03 | 0.68 | 0.3558 | 14.32 | 0.04657 | 1.90 | 0.1324 | 296.9 | 5.5 | Rim1 |
@33 | 239 | 62 | 0.27 | 1.41 | 0.5544 | 4.05 | 0.04714 | 2.03 | 0.5027 | 419.8 | 8.3 | Core |
@35 | 205 | 98 | 0.49 | 0.21 | 0.5560 | 2.68 | 0.06730 | 2.05 | 0.7644 | 445.5 | 8.8 | Core |
@21 | 370 | 107 | 0.30 | 0.04 | 0.5671 | 1.97 | 0.07155 | 1.67 | 0.8477 | 451.5 | 7.3 | Core |
@16 | 229 | 123 | 0.55 | 0.07 | 0.5864 | 2.44 | 0.07256 | 2.02 | 0.8283 | 463.3 | 9.0 | Core |
Monte Mucrone–AV17-16 eclogite | ||||||||||||
@6 | 12 | 1 | 0.06 | 2.21 | 0.2901 | 25.77 | 0.03508 | 8.02 | 0.3113 | 222.3 | 17.5 | Possible Pb loss |
@7b | 48 | 16 | 0.34 | 0.00 | 0.2588 | 9.14 | 0.03689 | 8.00 | 0.8751 | 233.5 | 18.3 | Possible Pb loss |
@4 | 43 | 14 | 0.33 | 0.29 | 0.3114 | 6.91 | 0.04214 | 4.13 | 0.5974 | 266.1 | 10.8 | Core |
@11 | 16 | 4 | 0.27 | 2.29 | 0.2535 | 26.99 | 0.04236 | 7.21 | 0.2671 | 267.4 | 18.9 | Core |
@12 | 41 | 13 | 0.33 | 1.76 | 0.2713 | 15.17 | 0.04270 | 4.21 | 0.2776 | 269.5 | 11.1 | Core |
@9 | 289 | 48 | 0.17 | 0.26 | 0.3281 | 3.76 | 0.04357 | 2.75 | 0.7306 | 275.0 | 7.4 | Core |
@9 | 50 | 20 | 0.42 | 0.58 | 0.3406 | 9.73 | 0.04772 | 3.93 | 0.4039 | 300.5 | 11.5 | Possible inheritance |
@10 | 78 | 42 | 0.56 | 1.06 | 0.4848 | 6.35 | 0.06240 | 3.20 | 0.5046 | 390.2 | 12.1 | Possible inheritance |