The Geological
Timescale Versus Radiometric Dating
By
Paul Nethercott
October 2014
The Quaternary Period
0 To 3.6 Million Years Ago
1. Radiogenic Helium And Argon,
Journal Of Geophysical Research, 1968, Volume 73, Number 14, Pages 4602, 4603
|
TABLE 1. |
K-Ar |
K-Ar |
Helium |
Helium |
|
Salt Lake Crater, Oahu |
Min Age |
Max Age |
Min Age |
Max Age |
|
Million Years |
1,230 |
1,960 |
60 |
|
|
Million Years |
930 |
1,580 |
140 |
|
|
Million Years |
140 |
680 |
2.6 |
3.4 |
|
Million Years |
1,290 |
2,050 |
41 |
92 |
|
Million Years |
92 |
147 |
44 |
|
|
Million Years |
1,360 |
1,900 |
57 |
|
|
Million Years |
|
232 |
|
|
|
Million Years |
|
2,020 |
|
|
|
Million Years |
|
925 |
|
|
|
Million Years |
|
3,300 |
|
|
|
Million Years |
|
0.4 |
|
|
2. Lead Isotope Ratios In Arc Magmas,
Nature, Volume 368, 1994, Page 514 - 519
|
Sample |
207Pb/206Pb |
207Pb/206Pb |
|
Name |
Ratio |
Age |
|
87-03-01 |
0.824474005 |
4,965 |
|
87-06-01 |
0.824931159 |
4,965 |
|
87-08-02 |
0.824607885 |
4,965 |
|
87-08-09 |
0.824732436 |
4,965 |
|
87-17-02 |
0.824757565 |
4,965 |
|
Qaf70 |
0.82482371 |
4,965 |
|
Qcb1 |
0.823850103 |
4,964 |
|
Qcb7 |
0.824932422 |
4,965 |
|
Qcb12 |
0.82410251 |
4,964 |
|
Qcb16 |
0.824716601 |
4,965 |
|
Qdf1 |
0.823323985 |
4,963 |
|
Qef1 |
0.825129946 |
4,966 |
|
LUM16 |
0.822237474 |
4,961 |
|
LUM17 |
0.821586599 |
4,960 |
|
LUM18 |
0.821746693 |
4,960 |
|
LUM19 |
0.829418046 |
4,973 |
|
LUM20 |
0.821503791 |
4,959 |
|
LUM21 |
0.831138237 |
4,976 |
|
LUM22 |
0.823383347 |
4,963 |
|
LUM33 |
0.821468093 |
4,959 |
|
LUM37 |
0.82168662 |
4,960 |
|
LUM42 |
0.82176706 |
4,960 |
|
ABy9(23)t |
0.821242295 |
4,959 |
3. Sources of Labrador Sea Sediments,
Geochimica et Cosmochimica Acta, 2002, Volume 66, Number 14, Pages 2569-2581
|
Sample |
Carbon 14 |
207Pb/206Pb |
Sample |
Carbon 14 Age |
207Pb/206Pb |
|
Number |
Years |
Ma Years |
Number |
Years |
Ma Years |
|
243–244 |
7,837 |
4,958 |
410–411 |
11,482 |
4,966 |
|
256–257 |
7,972 |
4,951 |
414–415 |
11,736 |
4,968 |
|
271–272 |
8,128 |
4,957 |
418–419 |
11,990 |
4,977 |
|
282–283 |
8,243 |
4,960 |
424–425 |
12,266 |
4,963 |
|
296–297 |
8,388 |
4,976 |
428–429 |
12,450 |
4,977 |
|
309–310 |
8,523 |
4,974 |
434–435 |
12,516 |
4,969 |
|
325–326 |
8,689 |
4,974 |
439–440 |
12,560 |
4,970 |
|
329–330 |
8,731 |
4,979 |
443–444 |
13,355 |
4,960 |
|
333–334 |
8,773 |
4,970 |
448–449 |
14,150 |
4,962 |
|
339–340 |
8,840 |
4,973 |
466–467 |
15,254 |
4,980 |
|
343–344 |
8,920 |
4,971 |
479–480 |
17,122 |
4,981 |
|
347–348 |
9,020 |
4,972 |
490–491 |
18,574 |
4,971 |
|
352–353 |
9,160 |
4,963 |
497–498 |
19,489 |
4,977 |
|
356–357 |
9,200 |
4,957 |
529–530 |
22,190 |
4,964 |
|
360–361 |
9,390 |
4,955 |
109–110 |
7,792 |
4,963 |
|
364–365 |
9,710 |
4,959 |
129–130 |
8,573 |
4,966 |
|
371–372 |
10,098 |
4,961 |
179–180 |
11,395 |
4,944 |
|
374–375 |
10,157 |
4,952 |
206–207 |
12,850 |
4,955 |
|
382–383 |
10,313 |
4,967 |
232–233 |
13,249 |
4,969 |
|
387–388 |
10,410 |
4,961 |
239–240 |
14,000 |
4,976 |
|
392–393 |
10,546 |
4,965 |
246–247 |
14,235 |
4,968 |
|
397–398 |
10,691 |
4,973 |
259–260 |
14,745 |
4,969 |
|
401–402 |
10,910 |
4,966 |
286–287 |
16,548 |
4,971 |
|
406–407 |
11,228 |
4,962 |
301–302 |
17,110 |
4,982 |
4. Os And Re Distribution In The Active Mound,
Proceedings of the Ocean Drilling Program, Volume 158, Page 95
|
Today |
Age |
Age |
|
187Os/186Os |
Billion Years |
Million Years |
|
8.89 |
-154.62496 |
-154,625 |
|
7.75 |
-132.16987 |
-132,170 |
|
7.94 |
-135.91239 |
-135,912 |
|
8.04 |
-137.88213 |
-137,882 |
|
4.7 |
-72.09266 |
-72,093 |
|
5.09 |
-79.77466 |
-79,775 |
|
7.07 |
-118.77561 |
-118,776 |
|
8.38 |
-144.57926 |
-144,579 |
|
8.69 |
-150.68547 |
-150,685 |
|
8.69 |
-150.68547 |
-150,685 |
|
8.63 |
-149.50362 |
-149,504 |
|
8.6 |
-148.91270 |
-148,913 |
|
8.52 |
-147.33691 |
-147,337 |
|
8.69 |
-150.68547 |
-150,685 |
|
8.59 |
-148.71573 |
-148,716 |
|
8.81 |
-153.04916 |
-153,049 |
|
8.38 |
-144.57926 |
-144,579 |
|
1.75 |
-13.98519 |
-13,985 |
|
1.72 |
-13.39426 |
-13,394 |
5. U–Pb Systematics in Zircons
Journal Of Petrology, 2005, Volume 46, Number 1, Pages 3–32, http://petrology.oxfordjournals.org/content/suppl/2004/09/24/egh060.DC1/Table_3.xls
|
Pb208/Th232 |
Pb208/Th232 |
|
41,460 |
22,138 |
|
34,824 |
21,885 |
|
33,392 |
21,877 |
|
29,182 |
21,390 |
|
29,126 |
21,348 |
|
28,671 |
20,730 |
|
27,733 |
19,977 |
|
27,587 |
19,950 |
|
26,533 |
19,738 |
|
26,447 |
19,422 |
|
25,988 |
19,360 |
|
25,525 |
19,307 |
|
24,858 |
19,024 |
|
24,325 |
18,534 |
|
24,160 |
18,140 |
|
23,992 |
17,701 |
|
23,665 |
17,357 |
|
23,448 |
16,455 |
|
23,441 |
16,221 |
|
23,025 |
15,726 |
|
22,704 |
15,301 |
|
22,560 |
11,390 |
|
22,493 |
|
6. Ion Microprobe U-Pb Dating,
Journal of Volcanology and Geothermal Research, Volume 117, 2002, Pages 285-296
|
Sample |
206Pb/238U |
207Pb/206Pb |
Sample |
206Pb/238U |
207Pb/206Pb |
|
TH1.01.1 |
271 |
5,005 |
UZ01.1 |
1.51 |
4,978 |
|
TH1.02.1 |
18 |
4,931 |
UZ02.1 |
0.70 |
4,791 |
|
TH1.03.1 |
8 |
4,807 |
UZ03.1 |
0.48 |
4,668 |
|
TH1.03.2 |
78 |
5,135 |
UZ04.1 |
0.59 |
4,781 |
|
TH2.01.1 |
1 |
4,498 |
UZ05.1 |
2.91 |
4,959 |
|
TH2.02.1 |
5 |
5,070 |
UZ06.1 |
0.34 |
4,626 |
|
TH2.03.1 |
0 |
3,771 |
UZ07.1 |
1.68 |
4,893 |
|
TH2.04.1 |
1 |
4,624 |
UZ08.1 |
0.45 |
4,576 |
|
TH2.05.1 |
26 |
4,986 |
UZ09.1 |
0.29 |
4,479 |
|
TH2.06.1 |
1 |
4,079 |
UZ10.1 |
0.25 |
4,570 |
|
TH2.06.2 |
1 |
4,178 |
UZ10.2 |
0.42 |
4,843 |
|
TH2.07.1 |
1 |
4,743 |
|
|
|
|
TH2.08.1 |
1 |
4,586 |
|
|
|
|
TH2.09.1 |
2 |
4,785 |
|
|
|
|
TH2.10.1 |
631 |
5,023 |
|
|
|
|
TH2.11.1 |
12 |
5,011 |
|
|
|
|
TH2.12.1 |
2 |
4,832 |
|
|
|
7. Crystallization History of Rhyolites at Long Valley,
Geochimica et Cosmochimica Acta, 2002, Volume 66, Number 10, Pages 1821-1837
|
87Rb/86Sr |
207Pb/206Pb |
|
0.200 |
4,954 |
|
0.213 |
4,952 |
|
-0.602 |
4,952 |
|
0.278 |
4,954 |
|
0.189 |
4,952 |
|
0.151 |
4,952 |
|
0.270 |
4,953 |
|
0.949 |
4,952 |
|
4.958 |
4,952 |
|
0.260 |
4,953 |
|
0.148 |
4,951 |
|
-0.745 |
4,952 |
|
-0.302 |
4,953 |
|
-0.272 |
4,954 |
|
-3.845 |
4,952 |
|
-2.455 |
4,954 |
|
-16.072 |
4,953 |
|
-3.348 |
4,952 |
|
-2.088 |
|
|
-13.882 |
|
8. U-Th-Pb Dating Of Secondary Minerals,
Geochimica et Cosmochimica Acta, 2008, Volume 72, Pages 2067 - 2089
|
207Pb/206Pb |
207Pb/206Pb |
206Pb/238U |
206Pb/238U |
208Pb/232Th |
208Pb/232Th |
|
Age |
Age |
Age |
Age |
Age |
Age |
|
8,126 |
3,884 |
31,193 |
1,711 |
352,962 |
35 |
|
5,024 |
3,818 |
28,058 |
1,404 |
5,389 |
28 |
|
5,023 |
3,541 |
23,318 |
1,304 |
3,225 |
26 |
|
5,020 |
3,365 |
21,152 |
1,044 |
1,839 |
25 |
|
5,019 |
3,141 |
16,434 |
997 |
1,557 |
22 |
|
5,000 |
3,092 |
15,648 |
921 |
938 |
19 |
|
4,999 |
2,876 |
15,434 |
830 |
529 |
14 |
|
4,989 |
2,759 |
13,503 |
776 |
489 |
11 |
|
4,965 |
2,639 |
12,301 |
716 |
454 |
5 |
|
4,959 |
2,621 |
11,023 |
696 |
445 |
3 |
|
4,950 |
2,258 |
8,442 |
457 |
236 |
2 |
|
4,949 |
2,214 |
8,010 |
437 |
208 |
|
|
4,943 |
2,167 |
7,556 |
408 |
167 |
|
|
4,904 |
1,820 |
6,416 |
301 |
159 |
|
|
4,883 |
1,384 |
6,372 |
185 |
75 |
|
|
4,845 |
1,241 |
5,612 |
176 |
66 |
|
|
4,837 |
1,103 |
4,844 |
163 |
63 |
|
|
4,671 |
882 |
4,795 |
145 |
59 |
|
|
4,654 |
472 |
4,511 |
18 |
58 |
|
|
4,566 |
282 |
3,557 |
12 |
54 |
|
|
4,333 |
-54 |
2,173 |
10 |
53 |
|
|
4,122 |
-332 |
2,023 |
8 |
49 |
|
|
4,073 |
-445 |
1,978 |
6 |
43 |
|
|
4,012 |
|
1,872 |
1 |
42 |
|
9. Pb, Nd and Sr Isotopic Geochemistry,
Earth and Planetary Science Letters, Volume 105, 1991, Pages 149-169
|
207Pb/206Pb |
206Pb/238U |
208Pb/232Th |
87Rb/86Sr |
|
5,067 |
8,584 |
17,171 |
-3,593 |
|
5,022 |
7,975 |
15,343 |
-3,231 |
|
5,066 |
7,314 |
15,299 |
-3,089 |
|
5,067 |
7,184 |
15,136 |
-3,067 |
|
5,065 |
6,861 |
15,054 |
-2,981 |
|
5,050 |
6,656 |
13,476 |
-2,725 |
|
5,066 |
6,654 |
13,322 |
-2,050 |
|
5,067 |
6,518 |
13,202 |
-1,926 |
|
5,049 |
6,448 |
13,001 |
-1,917 |
|
5,060 |
5,758 |
11,119 |
-1,611 |
|
5,014 |
5,576 |
10,873 |
-1,499 |
|
5,120 |
5,520 |
10,758 |
-1,370 |
|
5,109 |
5,285 |
9,737 |
-1,323 |
|
5,097 |
5,159 |
9,707 |
-1,245 |
|
5,050 |
5,099 |
9,049 |
-1,229 |
|
5,045 |
4,788 |
8,420 |
-1,194 |
|
5,050 |
|
8,419 |
-927 |
|
5,051 |
|
8,368 |
-754 |
|
5,044 |
|
7,968 |
-750 |
|
5,060 |
|
7,830 |
-552 |
|
5,062 |
|
7,250 |
-481 |
|
5,044 |
|
6,972 |
-26 |
|
5,077 |
|
6,628 |
-4 |
|
5,059 |
|
6,577 |
-1 |
|
5,033 |
|
|
|
|
5,002 |
|
|
|
10. Excess Argon and Dating
Earth And Planetary Science Letters, 1990, Volume 101, Pages 19-33
|
Age |
Apparent |
Error |
|
Category |
Age |
Years |
|
Thousand Years |
-43 |
71 |
|
Thousand Years |
-40 |
27 |
|
Thousand Years |
373 |
13 |
|
Thousand Years |
400 |
16 |
|
Thousand Years |
765 |
29 |
|
Thousand Years |
414 |
11 |
|
Thousand Years |
410 |
12 |
|
Thousand Years |
358 |
58 |
|
Thousand Years |
-8 |
78 |
|
Thousand Years |
421 |
23 |
|
Thousand Years |
437 |
12 |
|
Thousand Years |
389 |
8 |
|
Thousand Years |
431 |
11 |
|
Million Years |
40.7 |
0.9 |
|
Million Years |
45.1 |
0.7 |
|
Million Years |
11.2 |
0.3 |
|
Million Years |
12.2 |
0.3 |
|
Million Years |
-10 |
0 |
|
Million Years |
-8 |
0 |
|
Million Years |
-25 |
0 |
|
Million Years |
-13 |
0 |
11. 40Ar/39 Ar Age of a Tholeiitic Basalt,
Quaternary Research, Volume 68, 2007, Pages 96-110
|
Sample |
Minimum |
Maximum |
Difference |
Ratio |
|
Cinder Butte |
-579.3 |
56.7 |
636 |
1,022% |
|
Andesite of Sugarloaf Peak |
14.7 |
589.5 |
636 |
4,010% |
|
Little Potato Butte |
-51.6 |
585.9 |
637.5 |
1,135% |
|
Andesite of Potato Butte 1 |
-386.3 |
164.5 |
550.8 |
235% |
|
Andesite of Potato Butte 2 |
-289.6 |
2357.4 |
2647 |
814% |
|
Hat Creek Basalt 1 |
10 |
2950 |
2647 |
29,500% |
|
Hat Creek Basalt 2 |
-89.3 |
92.4 |
181.7 |
103% |
(Dates in Thousand Years)
12. Evolution of Mauna Kea lavas,
Geochemistry, Geophysics and Geosystems, 2003, Volume 4, Number 5
|
Model Age |
207Pb/206Pb |
Model Age |
207Pb/206Pb |
|
Million Years |
Million Years |
Million Years |
Million Years |
|
0.125 |
5,006 |
0.498 |
4,989 |
|
0.232 |
4,991 |
0.501 |
4,989 |
|
0.244 |
4,991 |
0.503 |
4,990 |
|
0.255 |
4,990 |
0.503 |
4,990 |
|
0.313 |
4,987 |
0.503 |
4,990 |
|
0.342 |
4,981 |
0.505 |
4,990 |
|
0.342 |
4,981 |
0.509 |
4,985 |
|
0.349 |
4,982 |
0.51 |
4,983 |
|
0.366 |
4,982 |
0.515 |
4,985 |
|
0.369 |
4,983 |
0.515 |
4,986 |
|
0.392 |
4,984 |
0.52 |
4,985 |
|
0.4 |
4,984 |
0.523 |
4,985 |
|
0.404 |
4,992 |
0.525 |
4,985 |
|
0.411 |
4,989 |
0.526 |
4,982 |
|
0.425 |
4,987 |
0.529 |
4,976 |
|
0.425 |
4,987 |
0.529 |
4,976 |
|
0.429 |
4,980 |
0.529 |
4,976 |
|
0.442 |
4,982 |
0.53 |
4,986 |
|
0.452 |
4,986 |
0.53 |
4,986 |
|
0.454 |
4,981 |
0.532 |
4,989 |
|
0.462 |
4,980 |
0.532 |
4,989 |
|
0.462 |
4,990 |
0.536 |
4,981 |
|
0.462 |
4,990 |
0.538 |
4,986 |
|
0.467 |
4,977 |
0.538 |
4,986 |
|
0.467 |
4,977 |
0.541 |
4,983 |
|
0.468 |
4,977 |
0.541 |
4,978 |
|
0.471 |
4,985 |
0.545 |
4,985 |
|
0.479 |
4,983 |
0.547 |
4,978 |
|
0.484 |
4,986 |
0.55 |
4,978 |
|
0.484 |
4,986 |
0.55 |
4,986 |
|
0.489 |
4,980 |
0.55 |
4,986 |
|
0.494 |
4,985 |
0.552 |
4,986 |
|
0.496 |
4,989 |
0.552 |
4,986 |
13. The Hawaiian Mantle Plume
Nature, 2005, Volume 434, Pages 851-856,
www.nature.com/nature/journal/v434/n7035/extref/nature03402-s1.xls
|
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
|
5,035 |
5,030 |
5,006 |
4,992 |
|
5,035 |
5,029 |
5,006 |
4,992 |
|
5,033 |
5,028 |
5,006 |
4,992 |
|
5,033 |
5,028 |
5,005 |
4,992 |
|
5,032 |
5,028 |
5,005 |
4,991 |
|
5,032 |
5,028 |
5,005 |
4,991 |
|
5,032 |
5,027 |
5,004 |
4,991 |
|
5,032 |
5,027 |
5,004 |
4,991 |
|
5,032 |
5,027 |
5,004 |
4,991 |
|
5,032 |
5,027 |
5,004 |
4,990 |
|
5,032 |
5,027 |
5,003 |
4,990 |
|
5,032 |
5,026 |
5,001 |
4,990 |
|
5,032 |
5,025 |
4,998 |
4,990 |
|
5,031 |
5,022 |
4,997 |
4,990 |
|
5,031 |
5,016 |
4,997 |
4,989 |
|
5,031 |
5,015 |
4,995 |
4,989 |
|
5,031 |
5,015 |
4,995 |
4,988 |
|
5,031 |
5,015 |
4,994 |
4,988 |
|
5,031 |
5,009 |
4,994 |
4,987 |
|
5,031 |
5,008 |
4,993 |
4,986 |
|
5,030 |
5,008 |
4,993 |
4,986 |
|
5,030 |
5,008 |
4,992 |
4,985 |
14. Excess Argon In Melt Inclusions,
Geochemica Et Cosmochemica Acta, 1997, Volume 61, Number 18, Pages 3789 – 3801
|
Sample 1316 |
Sample 1317 |
Sample 1330 |
Sample 1331 |
Sample 1332 |
|
Thousand Years |
Thousand Years |
Thousand Years |
Thousand Years |
Thousand Years |
|
273 |
894 |
4,371 |
5,867 |
9,419 |
|
139 |
374 |
671 |
4,716 |
999 |
|
139 |
281 |
507 |
1,801 |
999 |
|
111 |
275 |
166 |
1,278 |
650 |
|
97 |
263 |
149 |
1,120 |
337 |
|
77 |
246 |
142 |
1,010 |
263 |
|
66 |
240 |
129 |
984 |
246 |
|
61 |
227 |
88 |
950 |
172 |
|
38 |
225 |
88 |
834 |
168 |
|
38 |
209 |
86 |
824 |
153 |
|
33 |
128 |
86 |
732 |
126 |
|
28 |
96 |
82 |
628 |
126 |
|
28 |
78 |
72 |
248 |
104 |
|
25 |
78 |
41 |
154 |
86 |
|
19 |
57 |
33 |
109 |
82 |
|
16 |
48 |
28 |
90 |
64 |
|
12 |
41 |
21 |
84 |
43 |
|
10 |
15 |
16 |
71 |
35 |
|
|
11 |
15 |
56 |
33 |
|
|
|
10 |
24 |
23 |
|
|
|
9 |
1 |
|
|
|
|
5 |
|
(Historically erupted (1984) lava from Mount Erebus, Antarctica)
15. Lead isotopic study of young volcanic rocks,
Philosophical Transactions of the Royal Society of London A, Volume 297, 1980, Pages 409-445
|
207Pb/206Pb |
Model |
Age |
Error |
|
Age |
Age |
Category |
Ratio |
|
4,918 |
2.8 |
Ma |
1,756 |
|
4,927 |
1.96 |
Ma |
2,514 |
|
4,938 |
3.5 |
Ma |
1,411 |
|
4,907 |
9.6 |
Ma |
511 |
|
4,888 |
10.3 |
Ma |
475 |
|
4,906 |
13.3 |
Ma |
369 |
|
4,923 |
15.7 |
Ma |
314 |
|
4,921 |
15 |
Ma |
328 |
|
4,918 |
13.1 |
Ma |
375 |
|
4,939 |
1730 AD |
Historic |
17,640,696 |
|
4,937 |
1730 AD |
Historic |
17,632,398 |
|
4,939 |
0.96 |
Ma |
5,144 |
|
4,941 |
1730 AD |
Historic |
17,645,305 |
|
4,917 |
7.68 |
Ma |
640 |
|
4,927 |
10.6 |
Ma |
465 |
|
4,940 |
19 |
Ma |
260 |
|
4,933 |
4.25 |
Ma |
1,161 |
|
4,905 |
15.88 |
Ma |
309 |
|
4,915 |
20 |
Ma |
246 |
|
4,902 |
0.53 |
Ma |
9,249 |
|
4,907 |
0.24 |
Ma |
20,447 |
|
4,911 |
1705 AD |
Historic |
15,841,867 |
|
4,890 |
5.35 |
Ma |
914 |
|
4,909 |
0.9 |
Ma |
5,454 |
|
4,925 |
0.19 |
Ma |
25,921 |
|
4,915 |
0.74 |
Ma |
6,641 |
|
4,899 |
0.81 |
Ma |
6,048 |
|
4,912 |
1808 AD |
Historic |
24,560,956 |
|
4,913 |
1808 AD |
Historic |
24,565,525 |
|
4,918 |
0.6 |
Ma |
8,196 |
|
4,890 |
4.69 |
Ma |
1,043 |
|
4,904 |
4.69 |
Ma |
1,046 |
|
4,940 |
4.69 |
Ma |
1,053 |
|
4,910 |
4.69 |
Ma |
1,047 |
|
4,915 |
4.69 |
Ma |
1,048 |
16. U-Pb Dating Of Fossil Enamel,
Earth and Planetary Science Letters, Volume 267 (2008) Pages 236-246
|
238U/206Pb |
207Pb/206Pb |
|
Age |
Age |
|
215 |
4,992 |
|
71 |
4,953 |
|
269 |
4,968 |
|
436 |
4,971 |
|
273 |
4,852 |
|
73 |
4,950 |
|
313 |
4,944 |
|
78 |
4,972 |
|
269 |
5,002 |
17. Late Cenozoic Arctic Ocean,
Geochimica et Cosmochimica Acta, 1997, Volume 61, Number 19, pp. 4181-4200
|
207Pb/206Pb |
207Pb/206Pb |
|
Age |
Age |
|
4986 |
5008 |
|
4967 |
4985 |
|
4975 |
4987 |
|
4971 |
4986 |
|
4972 |
4988 |
|
4980 |
4987 |
|
4980 |
4988 |
|
4991 |
4965 |
|
4990 |
4960 |
|
4984 |
4963 |
|
4981 |
4969 |
|
4991 |
4970 |
|
4981 |
4973 |
|
4985 |
4978 |
|
5239 |
4974 |
|
4995 |
4971 |
|
4987 |
4967 |
|
4977 |
4995 |
|
4972 |
4972 |
|
4971 |
4960 |
|
4989 |
4990 |
|
4984 |
4982 |
18. 187Os/186Os in oceanic island basalts,
Earth and Planetary Science Letters, Volume 129 (1995) Pages 145-161
|
187Os/186Os |
Model Age |
|
Million Years |
Million Years |
|
-1,635 |
Historic |
|
-1,497 |
Historic |
|
-1,320 |
Historic |
|
-1,379 |
|
|
-1,280 |
0.15 |
|
-945 |
1 |
|
-867 |
1 |
|
-965 |
0.55 |
|
-1,202 |
|
|
-1,635 |
|
|
-1,930 |
|
|
-906 |
|
|
-3,486 |
9 |
|
-10,735 |
16 |
|
-827 |
Historic |
|
-847 |
Historic |
|
-1,773 |
4.5 |
|
-1,694 |
4.5 |
|
-1,714 |
0.35 |
|
-3,762 |
Historic |
19. Pb Isotopic Analysis,
Chemical Geology, Volume 211 (2004), Pages 275–303
|
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
|
5,538 |
5,112 |
5,112 |
5,042 |
4,980 |
4,976 |
4,968 |
|
5,538 |
5,112 |
5,112 |
5,042 |
4,980 |
4,976 |
4,968 |
|
5,538 |
5,112 |
5,112 |
5,042 |
4,980 |
4,976 |
4,968 |
|
5,537 |
5,112 |
5,112 |
5,035 |
4,980 |
4,975 |
4,968 |
|
5,537 |
5,112 |
5,112 |
5,005 |
4,980 |
4,975 |
4,968 |
|
5,536 |
5,112 |
5,105 |
5,005 |
4,980 |
4,970 |
4,968 |
|
5,534 |
5,112 |
5,105 |
5,005 |
4,979 |
4,970 |
4,942 |
|
5,534 |
5,112 |
5,104 |
5,005 |
4,979 |
4,970 |
4,941 |
|
5,533 |
5,112 |
5,104 |
5,005 |
4,979 |
4,970 |
4,941 |
|
5,533 |
5,112 |
5,104 |
5,005 |
4,979 |
4,970 |
4,941 |
|
5,523 |
5,112 |
5,104 |
5,005 |
4,979 |
4,970 |
4,941 |
|
5,523 |
5,112 |
5,104 |
5,005 |
4,979 |
4,970 |
4,938 |
|
5,523 |
5,112 |
5,104 |
5,005 |
4,979 |
4,969 |
4,883 |
|
5,494 |
5,112 |
5,104 |
5,005 |
4,979 |
4,969 |
4,141 |
|
5,494 |
5,112 |
5,104 |
5,005 |
4,979 |
4,969 |
4,141 |
|
5,459 |
5,112 |
5,104 |
5,005 |
4,979 |
4,969 |
4,141 |
|
5,459 |
5,112 |
5,104 |
5,005 |
4,979 |
4,969 |
4,140 |
|
5,451 |
5,112 |
5,103 |
5,005 |
4,979 |
4,969 |
4,140 |
|
5,450 |
5,112 |
5,101 |
5,005 |
4,979 |
4,969 |
|
|
5,450 |
5,112 |
5,101 |
5,005 |
4,979 |
4,969 |
|
|
5,449 |
5,112 |
5,101 |
4,985 |
4,979 |
4,969 |
|
|
5,449 |
5,112 |
5,101 |
4,985 |
4,978 |
4,968 |
|
|
5,449 |
5,112 |
5,101 |
4,985 |
4,976 |
4,968 |
|
|
5,448 |
5,112 |
5,101 |
4,985 |
4,976 |
4,968 |
|
|
5,448 |
5,112 |
5,100 |
4,985 |
4,976 |
4,968 |
|
|
5,448 |
5,112 |
5,070 |
4,985 |
4,976 |
4,968 |
|
|
5,448 |
5,112 |
5,043 |
4,980 |
4,976 |
4,968 |
|
|
5,113 |
5,112 |
5,043 |
4,980 |
4,976 |
4,968 |
|
|
5,112 |
5,112 |
5,043 |
4,980 |
4,976 |
4,968 |
|
|
5,112 |
5,112 |
5,043 |
4,980 |
4,976 |
4,968 |
|
20. Sr, Nd and Pb Isotopic Compositions,
Mineralogy and Petrology (1993), Volume 47, Pages 103-126
|
Pb207/Pb206 |
|
4,990 |
|
4,990 |
|
4,988 |
|
4,987 |
|
4,988 |
|
4,986 |
|
4,986 |
|
4,986 |
|
4,985 |
|
4,986 |
|
4,987 |
|
4,986 |
21. The U, Th and Pb Compositions,
Geochimica et Cosmochimica Acta, Volume 73, 2009, Pages 469-488
|
207Pb/206Pb |
207Pb/206Pb |
208Pb/232Th |
206Pb/238U |
|
4,883 |
4,943 |
92,495 |
18,639 |
|
4,883 |
4,882 |
73,503 |
15,307 |
|
4,996 |
4,873 |
42,038 |
10,772 |
|
4,877 |
4,871 |
29,253 |
10,312 |
|
4,877 |
5,008 |
23,557 |
9,291 |
|
4,881 |
5,000 |
13,018 |
5,625 |
|
4,964 |
5,001 |
10,956 |
4,508 |
|
4,881 |
5,068 |
10,621 |
3,767 |
|
4,949 |
5,090 |
10,022 |
3,693 |
|
4,890 |
5,090 |
5,204 |
3,348 |
|
4,890 |
5,021 |
4,956 |
2,921 |
|
4,984 |
5,085 |
4,429 |
2,259 |
|
4,893 |
5,086 |
3,133 |
2,131 |
|
4,873 |
5,021 |
2,799 |
1,980 |
|
4,877 |
5,085 |
2,598 |
1,966 |
|
4,959 |
5,025 |
2,394 |
1,679 |
|
4,874 |
4,923 |
2,238 |
1,577 |
|
4,874 |
5,016 |
2,109 |
1,527 |
22. U, Th And Pb Isotope Compositions,
Geochimica et Cosmochimica Acta, Volume 72 (2008), Pages 5799-5818
|
208Pb/232Th |
206Pb/238U |
207Pb/206Pb |
|
Age |
Age |
Age |
|
92,495 |
18,639 |
5,008 |
|
73,503 |
15,307 |
5,001 |
|
42,038 |
10,772 |
5,000 |
|
29,253 |
10,312 |
4,996 |
|
13,018 |
9,291 |
4,984 |
|
10,956 |
5,625 |
4,964 |
|
10,621 |
4,508 |
4,959 |
|
10,022 |
3,767 |
4,949 |
|
5,204 |
3,693 |
4,943 |
|
4,956 |
3,348 |
4,893 |
|
4,429 |
2,921 |
4,890 |
|
3,133 |
2,259 |
4,890 |
|
2,799 |
2,131 |
4,883 |
|
2,598 |
1,980 |
4,883 |
|
2,394 |
1,966 |
4,882 |
|
2,238 |
1,679 |
4,881 |
|
2,109 |
1,577 |
4,881 |
|
2,058 |
1,527 |
4,877 |
|
2,051 |
1,524 |
4,877 |
|
2,018 |
1,492 |
4,877 |
|
1,939 |
1,457 |
4,874 |
|
|
1,437 |
4,874 |
|
|
|
4,873 |
|
|
|
4,873 |
|
|
|
4,871 |
23. South Atlantic Mid-Ocean-Ridge,
Earth and Planetary Science Letters, Volume 306 (2011), Pages 86-97
|
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
|
6,214 |
5,010 |
4,978 |
4,957 |
4,944 |
|
5,053 |
5,010 |
4,978 |
4,957 |
4,944 |
|
5,052 |
4,999 |
4,973 |
4,956 |
4,944 |
|
5,051 |
4,998 |
4,967 |
4,955 |
4,944 |
|
5,049 |
4,996 |
4,966 |
4,954 |
4,944 |
|
5,049 |
4,994 |
4,963 |
4,954 |
4,943 |
|
5,049 |
4,993 |
4,963 |
4,952 |
4,943 |
|
5,048 |
4,993 |
4,963 |
4,952 |
4,941 |
|
5,048 |
4,993 |
4,963 |
4,949 |
4,941 |
|
5,047 |
4,993 |
4,963 |
4,949 |
4,940 |
|
5,047 |
4,991 |
4,963 |
4,949 |
4,938 |
|
5,047 |
4,990 |
4,962 |
4,948 |
4,932 |
|
5,045 |
4,990 |
4,962 |
4,946 |
4,928 |
|
5,035 |
4,987 |
4,960 |
4,945 |
4,928 |
|
5,033 |
4,987 |
4,960 |
4,945 |
4,927 |
|
5,032 |
4,987 |
4,959 |
4,945 |
4,924 |
|
5,020 |
4,985 |
4,959 |
4,945 |
|
|
5,016 |
4,985 |
4,958 |
4,945 |
|
|
5,016 |
4,984 |
4,958 |
4,944 |
|
|
5,010 |
4,980 |
4,958 |
4,944 |
|
References
1. Radiogenic Helium And Argon, Journal Of Geophysical Research, 1968, Volume 73, Number 14,
Pages 4602, 4603
2. Lead Isotope Ratios In Arc Magams, Nature, Volume 368, 1994, Page 514 - 519
3. Sources of Labrador Sea Sediments, Geochimica et Cosmochimica Acta, 2002, Volume 66, Number 14, Pages 2569-2581
4. Os And Re Distribution In The Active Mound, Proceedings of the Ocean Drilling Program,
Volume 158, Page 95
5. U–Pb Systematics in Zircons, Journal Of Petrology, 2005, Volume 46, Number 1, Pages 3–32, http://petrology.oxfordjournals.org/content/suppl/2004/09/24/egh060.DC1/Table_3.xls
6. Ion Microprobe U-Pb Dating, Journal of Volcanology and Geothermal Research, Volume 117, 2002,
Pages 285-296
7. Crystallization history of rhyolites at Long Valley, Geochimica et Cosmochimica Acta, 2002, Volume 66,
Number 10, Pages 1821-1837
8. U-Th-Pb Dating Of Secondary Minerals, Geochimica et Cosmochimica Acta, 2008, Volume 72,
Pages 2067 - 2089
9. Pb, Nd and Sr isotopic geochemistry, Earth and Planetary Science Letters, Volume 105, 1991,
Pages 149-169
10. Excess Argon and Dating, Earth And Planetary Science Letters, 1990, Volume 101, Pages 19-33
11. 40Ar/39 Ar Age of a Tholeiitic Basalt , Quaternary Research, Volume 68, 2007, Pages 96-110
12. Evolution of Mauna Kea lavas, Geochemistry, Geophysics and Geosystems, 2003, Volume 4, Number 5
13. The Hawaiian Mantle Plume Nature, 2005, Volume 434, Pages 851-856, www.nature.com/nature/journal/v434/n7035/extref/nature03402-s1.xls
14. Excess Argon In Melt Inclusions, Geochemica Et Cosmochemica Acta, 1997, Volume 61, Number 18,
Pages 3789 – 3801
15. Lead isotopic study of young volcanic rocks, Phil. Trans. R. Soc. Lond. A, Volume 297, 1980, Pages 409-445
16. U-Pb Dating Of Fossil Enamel, Earth and Planetary Science Letters, Volume 267 (2008) Pages 236-246
17. Late Cenozoic Arctic Ocean, Geochimica et Cosmochimica Acta, 1997, Volume 61, Number 19, pp. 4181-4200
18. 187Os/186Os in oceanic island basalts, Earth and Planetary Science Letters, Volume 129 (1995) Pages 145-161
19. Pb Isotopic Analysis, Chemical Geology, Volume 211 (2004), Pages 275–303
20. Sr, Nd and Pb Isotopic Compositions, Mineralogy and Petrology (1993), Volume 47, Pages 103-126
21. The U, Th and Pb Compositions, Geochimica et Cosmochimica Acta, Volume 73, 2009, Pages 469-488
22. U, Th And Pb Isotope Compositions, Geochimica et Cosmochimica Acta, Volume 72 (2008), Pages 5799-5818
23. South Atlantic Mid-Ocean-Ridge, Earth and Planetary Science Letters, Volume 306 (2011), Pages 86-97