The Geological
Timescale Versus Radiometric Dating
By
Paul Nethercott
October 2014
The Carboniferous Period
303 To 372 Million Years Ago
1. New U-Pb Zircon Data,
European Journal Of Minerology, 2000, Volume 12, Pages 1245 - 1260
|
206Pb/238U |
207Pb/235U |
207Pb/206Pb |
|
1,174 |
1,563 |
2,137 |
|
795 |
1,016 |
1,550 |
|
756 |
933 |
1,530 |
|
740 |
901 |
1,379 |
|
701 |
867 |
1,361 |
|
691 |
849 |
1,334 |
|
609 |
849 |
1,321 |
|
607 |
788 |
1,320 |
|
491 |
624 |
1,290 |
|
404 |
489 |
1,264 |
|
315 |
335 |
1,142 |
|
310 |
321 |
910 |
|
306 |
317 |
492 |
|
304 |
313 |
490 |
|
302 |
312 |
477 |
|
294 |
309 |
405 |
|
252 |
303 |
393 |
|
236 |
300 |
375 |
|
223 |
249 |
374 |
|
212 |
237 |
357 |
|
198 |
227 |
328 |
|
182 |
222 |
290 |
2. U/Pb Whole-Rock and Mineral Dating,
Earth and Planetary Science Letters, 1989, Volume 94, Pages 239
|
238U/206Pb |
238U/206Pb |
207Pb/206Pb |
207Pb/206Pb |
|
15,173 |
826 |
5,016 |
4,368 |
|
11,577 |
744 |
5,008 |
4,364 |
|
10,652 |
710 |
5,005 |
4,108 |
|
4,086 |
701 |
4,954 |
3,995 |
|
3,890 |
655 |
4,946 |
3,917 |
|
3,190 |
595 |
4,927 |
3,784 |
|
2,688 |
583 |
4,902 |
3,491 |
|
2,680 |
471 |
4,888 |
3,272 |
|
2,107 |
451 |
4,860 |
2,961 |
|
1,839 |
339 |
4,840 |
2,089 |
|
1,830 |
293 |
4,814 |
1,282 |
|
1,661 |
290 |
4,766 |
857 |
|
1,376 |
273 |
4,720 |
800 |
|
1,000 |
269 |
4,585 |
721 |
|
863 |
265 |
4,571 |
717 |
|
830 |
259 |
4,529 |
670 |
|
829 |
204 |
4,488 |
668 |
3. A Paleozoic Convergent Plate,
Chemical Geology, Volume 208, 2004, Pages 141- 156
|
187Os/188Os |
187Re/188Os |
|
352 |
-4,300 |
|
376 |
-500 |
|
349 |
1,900 |
|
352 |
8,800 |
|
356 |
9,100 |
|
357 |
6,200 |
|
350 |
400 |
|
354 |
1,300 |
|
350 |
1,200 |
|
355 |
3,300 |
|
350 |
1,100 |
|
351 |
2,100 |
|
350 |
4,300 |
4. Rb-Sr and Pb-Pb Geochronology,
Periodico Di Mineralogia (2007), Volume 76, Pages 5-24
|
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
207Pb/206Pb |
|
5,237 |
5,002 |
4,994 |
4,987 |
4,976 |
|
5,032 |
5,002 |
4,993 |
4,986 |
4,976 |
|
5,032 |
5,001 |
4,993 |
4,984 |
4,974 |
|
5,012 |
4,999 |
4,993 |
4,983 |
4,973 |
|
5,012 |
4,999 |
4,992 |
4,983 |
4,973 |
|
5,012 |
4,998 |
4,991 |
4,983 |
4,970 |
|
5,012 |
4,997 |
4,990 |
4,982 |
4,970 |
|
5,006 |
4,996 |
4,989 |
4,982 |
4,970 |
|
5,006 |
4,995 |
4,988 |
4,982 |
4,970 |
|
5,005 |
4,995 |
4,988 |
4,981 |
4,965 |
|
5,004 |
4,994 |
4,988 |
4,980 |
4,954 |
|
5,004 |
4,994 |
4,988 |
4,977 |
4,924 |
|
5,002 |
4,994 |
4,987 |
4,976 |
4,924 |
5. U/Pb Whole-Rock And Mineral Dating,
Earth and Planetary Science Letters, 94 (1989) Pages 236-244
|
207Pb/206Pb |
207Pb/206Pb |
|
5,016 |
4,368 |
|
5,008 |
4,364 |
|
5,005 |
4,108 |
|
4,954 |
3,995 |
|
4,946 |
3,917 |
|
4,927 |
3,784 |
|
4,902 |
3,491 |
|
4,888 |
3,272 |
|
4,860 |
2,961 |
|
4,840 |
2,089 |
|
4,814 |
1,282 |
|
4,766 |
857 |
|
4,720 |
800 |
|
4,585 |
721 |
|
4,571 |
717 |
|
4,529 |
670 |
|
4,488 |
668 |
6. Trace-Element Record in Zircons,
European Journal Of Mineralogy, 2009, Volume 21, Pages 1135 - 1148
|
206Pb/238U |
207Pb/206Pb |
|
1,994 |
2,008 |
|
1,896 |
1,982 |
|
1,854 |
1,975 |
|
1,796 |
1,951 |
|
1,741 |
1,951 |
|
1,711 |
1,940 |
|
1,625 |
1,938 |
|
1,561 |
1,936 |
|
1,505 |
1,916 |
|
1,500 |
1,910 |
|
1,436 |
1,904 |
|
1,391 |
1,904 |
|
1,323 |
1,903 |
|
1,314 |
1,873 |
|
1,264 |
1,859 |
|
1,103 |
1,859 |
7. Evidence for a Widespread Tethyan,
Journal Of Petrology, 2005, Volume 46, Number 4, Pages 829-858
|
206Pb/238U |
208Pb/232Th |
207Pb/206Pb |
87Rb/86Sr |
|
15,747 |
58,796 |
5,236 |
1,739 |
|
15,067 |
54,206 |
5,062 |
351 |
|
14,363 |
48,252 |
5,052 |
351 |
|
13,580 |
47,976 |
5,052 |
349 |
|
13,204 |
46,117 |
5,051 |
314 |
|
12,780 |
42,203 |
5,051 |
274 |
|
11,757 |
42,192 |
5,049 |
270 |
|
11,659 |
41,604 |
5,044 |
251 |
|
11,537 |
41,343 |
5,043 |
251 |
|
11,313 |
41,231 |
5,043 |
227 |
|
11,309 |
39,637 |
5,042 |
213 |
|
11,248 |
38,125 |
5,041 |
195 |
|
10,360 |
37,115 |
5,041 |
190 |
|
9,643 |
35,012 |
5,038 |
178 |
|
9,427 |
33,584 |
5,029 |
175 |
|
9,300 |
31,556 |
5,027 |
175 |
|
9,123 |
31,286 |
5,027 |
172 |
|
9,014 |
30,740 |
5,025 |
167 |
|
8,996 |
29,705 |
5,021 |
166 |
|
8,954 |
27,710 |
5,020 |
166 |
|
8,770 |
27,422 |
5,018 |
166 |
|
8,508 |
26,674 |
5,016 |
164 |
|
8,315 |
26,369 |
5,015 |
162 |
|
8,314 |
25,972 |
5,014 |
161 |
|
8,072 |
25,590 |
5,014 |
161 |
|
8,024 |
25,096 |
5,013 |
161 |
|
7,604 |
24,010 |
5,013 |
160 |
|
7,504 |
22,718 |
5,013 |
157 |
|
7,056 |
22,307 |
5,012 |
156 |
8. The Paleo-Tethyan Mian-Lueyang,
Earth and Planetary Science Letters 198 (2002), Pages 323-337
|
207Pb/206Pb |
208Pb/232Th |
206Pb/238U |
|
5,111 |
86,040 |
27,626 |
|
5,110 |
81,479 |
26,654 |
|
5,108 |
76,575 |
24,689 |
|
5,104 |
76,345 |
24,029 |
|
5,100 |
68,008 |
22,082 |
|
5,095 |
65,466 |
18,973 |
|
5,092 |
64,670 |
18,904 |
|
5,091 |
63,308 |
17,076 |
|
5,090 |
60,967 |
16,070 |
|
5,089 |
34,712 |
10,127 |
|
5,087 |
32,366 |
8,551 |
|
5,077 |
|
|
|
5,067 |
|
|
|
5,066 |
|
|
9. French Massif Central,
Geochimica et Cosmochimica Acta, Volume 71 (2007), Pages 1290–1311
|
206Pb/238U |
208Pb/232Th |
207Pb/206Pb |
|
15,943 |
21,165 |
5,014 |
|
13,385 |
17,660 |
4,873 |
|
7,502 |
15,590 |
4,871 |
|
6,684 |
9,160 |
4,898 |
|
5,772 |
9,061 |
4,939 |
|
4,225 |
6,269 |
4,961 |
|
3,394 |
5,931 |
4,930 |
|
1,531 |
5,670 |
4,933 |
|
1,426 |
5,262 |
4,932 |
|
1,401 |
5,247 |
4,933 |
|
1,162 |
5,042 |
4,934 |
|
669 |
4,445 |
4,935 |
|
|
3,203 |
4,945 |
References
1. New U-Pb Zircon Data, European Journal Of Minerology, 2000, Volume 12, Pages 1245 - 1260
2. U/Pb Whole-Rock and Mineral Dating, Earth and Planetary Science Letters, 1989, Volume 94, Pages 239
3. A Paleozoic Convergent Plate, Chemical Geology, Volume 208, 2004, Pages 141- 156
4. Rb-Sr and Pb-Pb Geochronology, Periodico Di Mineralogia (2007), Volume 76, Pages 5-24
5. U/Pb Whole-Rock And Mineral Dating, Earth and Planetary Science Letters, 94 (1989) Pages 236-244
6. Trace-Element Record in Zircons, European Journal Of Minerology, 2009, Volume 21, Pages 1135 - 1148
7. Evidence for a Widespread Tethyan, Journal Of Petrology, 2005, Volume 46, Number 4, Pages 829-858
8. The Paleo-Tethyan Mian-Lueyang, Earth and Planetary Science Letters 198 (2002), Pages 323-337
9. French Massif Central, Geochimica et Cosmochimica Acta, Volume 71 (2007), Pages 1290–1311