From: Enhanced diffusion of Uranium and Thorium linked to crystal plasticity in zircon
Spot | U (ppm) | Th (ppm) | Th/U | Pb (ppm) | c206Pb (%) | 207Pb/206Pb | ±1σ error | 206Pb/238U | ±1σ error | 207Pb/235U | ±1σ error | 207Pb/206Pb age | ±1σ error |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
16 | 33 | 42 | 1.25 | 21 | 1.47 | 0.1653 | 0.0041 | 0.4530 | 0.0080 | 10.33 | 0.33 | 2511 | 42 |
17 | 30 | 51 | 1.69 | 20 | 1.16 | 0.1708 | 0.0039 | 0.4557 | 0.0076 | 10.73 | 0.32 | 2565 | 38 |
18 | 23 | 31 | 1.35 | 15 | 2.21 | 0.1601 | 0.0053 | 0.4616 | 0.0082 | 10.19 | 0.41 | 2457 | 56 |
19 | 23 | 31 | 1.36 | 15 | 2.80 | 0.1528 | 0.0045 | 0.4799 | 0.0084 | 10.11 | 0.37 | 2378 | 51 |
20 | 26 | 36 | 1.36 | 17 | 1.91 | 0.1562 | 0.0037 | 0.4730 | 0.0079 | 10.19 | 0.31 | 2415 | 41 |
21 | 30 | 45 | 1.52 | 19 | 1.30 | 0.1602 | 0.0044 | 0.4442 | 0.0073 | 9.81 | 0.33 | 2457 | 47 |
22 | 36 | 56 | 1.58 | 23 | 1.60 | 0.1561 | 0.0032 | 0.4528 | 0.0069 | 9.75 | 0.26 | 2414 | 35 |
23 | 38 | 64 | 1.65 | 25 | 1.81 | 0.1518 | 0.0035 | 0.4562 | 0.0074 | 9.55 | 0.28 | 2366 | 39 |
24 | 41 | 66 | 1.61 | 27 | 1.37 | 0.1592 | 0.0028 | 0.4638 | 0.0068 | 10.18 | 0.25 | 2447 | 30 |
25 | 40 | 69 | 1.72 | 26 | 1.51 | 0.1585 | 0.0030 | 0.4527 | 0.0066 | 9.89 | 0.25 | 2439 | 32 |
26 | 27 | 42 | 1.55 | 18 | 2.00 | 0.1632 | 0.0044 | 0.4626 | 0.0077 | 10.41 | 0.35 | 2489 | 45 |
27 | 33 | 55 | 1.63 | 23 | 1.42 | 0.1616 | 0.0034 | 0.4824 | 0.0077 | 10.75 | 0.30 | 2473 | 35 |
28 | 28 | 46 | 1.67 | 19 | 2.28 | 0.1601 | 0.0043 | 0.4596 | 0.0077 | 10.14 | 0.34 | 2457 | 45 |
29 | 37 | 67 | 1.81 | 25 | 1.18 | 0.1616 | 0.0029 | 0.4588 | 0.0071 | 10.23 | 0.26 | 2473 | 30 |
30 | 27 | 47 | 1.76 | 18 | 3.73 | 0.1536 | 0.0053 | 0.4427 | 0.0077 | 9.37 | 0.38 | 2386 | 58 |
31 | 34 | 60 | 1.77 | 24 | 2.56 | 0.1597 | 0.0037 | 0.4737 | 0.0076 | 10.43 | 0.31 | 2452 | 39 |
32 | 43 | 76 | 1.78 | 29 | 2.24 | 0.1549 | 0.0033 | 0.4515 | 0.0068 | 9.64 | 0.27 | 2401 | 36 |
33 | 37 | 65 | 1.76 | 25 | 2.08 | 0.1621 | 0.0034 | 0.4607 | 0.0071 | 10.30 | 0.29 | 2478 | 36 |
34 | 30 | 51 | 1.68 | 20 | 1.90 | 0.1653 | 0.0046 | 0.4538 | 0.0076 | 10.35 | 0.35 | 2511 | 47 |
35 | 37 | 65 | 1.73 | 25 | 2.90 | 0.1544 | 0.0040 | 0.4484 | 0.0070 | 9.54 | 0.30 | 2395 | 44 |
36 | 32 | 53 | 1.66 | 22 | 2.97 | 0.1587 | 0.0045 | 0.4634 | 0.0075 | 10.14 | 0.35 | 2442 | 48 |
37 | 35 | 60 | 1.70 | 23 | 2.67 | 0.1567 | 0.0045 | 0.4445 | 0.0081 | 9.60 | 0.35 | 2420 | 49 |
38 | 44 | 80 | 1.82 | 30 | 2.64 | 0.1516 | 0.0032 | 0.4490 | 0.0067 | 9.39 | 0.26 | 2364 | 36 |
39 | 57 | 103 | 1.80 | 37 | 2.58 | 0.1616 | 0.0034 | 0.4296 | 0.0063 | 9.57 | 0.26 | 2473 | 36 |
40 | 50 | 92 | 1.83 | 34 | 1.51 | 0.1647 | 0.0028 | 0.4524 | 0.0065 | 10.27 | 0.24 | 2504 | 29 |
41 | 45 | 81 | 1.79 | 30 | 0.78 | 0.1636 | 0.0026 | 0.4527 | 0.0067 | 10.21 | 0.23 | 2494 | 27 |
42 | 25 | 34 | 1.37 | 16 | 2.28 | 0.1617 | 0.0072 | 0.4497 | 0.0084 | 10.03 | 0.50 | 2474 | 75 |
43 | 30 | 42 | 1.41 | 19 | 3.08 | 0.1525 | 0.0050 | 0.4434 | 0.0074 | 9.32 | 0.36 | 2374 | 55 |
44 | 37 | 48 | 1.29 | 24 | 1.84 | 0.1597 | 0.0034 | 0.4660 | 0.0071 | 10.26 | 0.29 | 2453 | 36 |
45 | 31 | 35 | 1.13 | 19 | 2.27 | 0.1594 | 0.0041 | 0.4571 | 0.0078 | 10.04 | 0.33 | 2449 | 44 |
46 | 26 | 40 | 1.53 | 18 | 2.99 | 0.1599 | 0.0053 | 0.4625 | 0.0081 | 10.20 | 0.40 | 2455 | 56 |
47 | 37 | 60 | 1.62 | 24 | 2.51 | 0.1557 | 0.0038 | 0.4487 | 0.0071 | 9.63 | 0.29 | 2410 | 41 |
48 | 24 | 35 | 1.51 | 16 | 1.94 | 0.1644 | 0.0047 | 0.4594 | 0.0081 | 10.41 | 0.37 | 2502 | 48 |
49 | 27 | 42 | 1.53 | 18 | 3.66 | 0.1545 | 0.0052 | 0.4568 | 0.0080 | 9.73 | 0.39 | 2396 | 58 |
50 | 35 | 63 | 1.80 | 25 | 2.83 | 0.1567 | 0.0041 | 0.4735 | 0.0076 | 10.23 | 0.33 | 2421 | 44 |