The Geological Timescale Versus Radiometric Dating

By Paul Nethercott
October 2014

The Statherian Period

1,800 To 2,050 Million Years Ago

1. Re/Os Isotopes of Sulfides,

Lithos, Volume 102, 2008, Pages 43-64

187Re/188Os	187Re/188Os	187Re/188Os	187Re/188Os	187Re/188Os	187Re/188Os
-87,817	-3,053	-1,917	-837	-191	6,054
-47,693	-3,031	-1,916	-763	-183	6,054
-27,938	-3,011	-1,908	-763	-181	6,088
-16,952	-2,939	-1,908	-732	-168	6,106
-15,940	-2,924	-1,870	-725	-158	6,398
-12,854	-2,915	-1,867	-712	-154	6,428
-10,838	-2,902	-1,860	-690	-142	6,437
-10,501	-2,882	-1,860	-649	-118	6,437
-7,384	-2,830	-1,841	-611	-114	6,470
-7,124	-2,824	-1,835	-608	-110	6,519
-6,574	-2,822	-1,829	-599	-98	6,736
-6,558	-2,814	-1,798	-595	-97	6,743
-6,398	-2,786	-1,644	-589	-55	7,395
-6,203	-2,741	-1,641	-527	-49	7,441
-6,138	-2,729	-1,567	-515	-42	8,008
-5,956	-2,552	-1,519	-497	-31	8,044
-5,922	-2,543	-1,432	-496	-30	8,862
-5,892	-2,386	-1,426	-453	-22	8,889
-5,038	-2,366	-1,374	-407	-19	9,449
-5,000	-2,214	-1,321	-344	-18	9,464
-4,084	-2,191	-1,107	-344	-15	10,382
-4,010	-2,137	-1,098	-316	-10	10,701
-3,773	-2,121	-1,001	-315	-7	10,736
-3,752	-2,061	-992	-310	-2	18,606
-3,504	-2,023	-916	-286	5,318	20,073
-3,503	-2,004	-852	-283	5,700	22,664
-3,473	-1,979	-840	-279	5,709	24,677
-3,434	-1,953	-840	-231	5,977	34,329
-3,070	-1,922	-837	-191	6,001	39,229

187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os
-7,191	-742	43	485	943	1,483	2,056
-6,454	-628	60	534	960	1,500	2,105
-4,343	-562	76	567	1,009	1,549	2,171
-4,065	-513	109	583	1,042	1,582	2,449
-3,623	-481	125	616	1,058	1,631	2,515
-3,492	-431	174	649	1,074	1,664	2,629
-3,345	-415	191	665	1,091	1,696	2,695
-3,247	-366	207	682	1,107	1,713	2,907
-3,116	-350	223	698	1,140	1,762	3,055
-2,395	-333	256	714	1,173	1,794	3,120
-2,379	-317	289	731	1,205	1,811	3,169
-2,297	-300	305	747	1,287	1,827
-2,248	-284	338	780	1,303	1,844
-2,019	-153	371	796	1,336	1,860
-1,888	-120	387	812	1,353	1,893
-1,397	-71	403	878	1,385	1,925
-1,233	-22	420	894	1,418	1,942
-972	-6	452	911	1,434	1,991
-906	10	469	927	1,467	2,024

2. Re-Os Evidence,

Chemical Geology, Volume 236, 2007, Pages 323-338

187Re/188Os	187Re/188Os
600	2,000
900	2,100
1,200	2,200
1,400	1,900
1,400	2,000
1,500	2,200
1,600	4,200
1,700	Negative
1,800	Negative
1,800	2,100
1,800	1,600
1,800	1,500
1,900	Negative
2,000	7,330
Negative	3,300

3. Microanalysis Of Individual Fluid Inclusions,

Earth and Planetary Science Letters, Volume 296 (2010), Pages 267-277

207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb
5,075	5,072	5,071	5,070
5,073	5,072	5,071	5,070
5,073	5,072	5,071	5,070
5,073	5,072	5,071	5,070
5,073	5,071	5,071	5,070
5,073	5,071	5,071	5,070
5,072	5,071	5,071	5,070
5,072	5,071	5,070	5,069
5,072	5,071	5,070	5,069

4. Pb-206/Pb-207 Dating Of Zircon,

Chemical Geology, 2003, Volume 197, Pages 87 - 110

207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb
2,377	1,995	1,823	692
2,376	1,988	1,799	628
2,370	1,980	1,794	436
2,358	1,971	1,793	435
2,299	1,945	1,725	428
2,259	1,940	1,708	427
2,061	1,919	1,393	355
2,037	1,901	1,208	282
2,016	1,875	806	279
2,010	1,865	783	234
2,006	1,851	700	226
1,999	1,837	693	217

5. Detrital Zircon U-Pb Dating,

Precambrian Research, 2007, Volume 139, Pages 155 - 177

207Pb/206Pb	207Pb/235U	206Pb/238U
3,432	3,422	3,405
3,404	3,349	3,319
3,368	3,345	3,250
3,331	3,264	3,154
3,181	3,140	3,077
3,142	2,903	2,895
2,938	2,883	2,838
2,914	2,847	2,640
2,908	2,653	2,601
2,664	2,601	2,550
2,636	2,563	2,462
2,632	2,463	2,454
2,601	2,460	2,449
2,573	2,448	2,448
686	907	917
448	317	695
429	243	301
397	236	228
321	231	227
314	225	224
306	221	217
277	219	216
252	218	209
161	211	207
159	204	199
124	107	106
119

6. Origin of Paleo Proterozoic Komatiites,

Journal Of Petrology, 2006, Volume 47, Number 4, Pages 773-789

187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os
-11,068,187	-48,299	-5,883	-1,319	1,821
-2,420,951	-30,263	-5,666	-1,102	1,821
-2,118,165	-14,232	-3,720	1,153	1,832
-775,220	-12,551	-2,430	1,426	1,875
-409,110	-11,335	-1,836	1,551	1,880
-61,092	-6,276	-1,819	1,572	1,922
-58,633	-6,229	-1,651	1,631	1,922

7. 190Pt/186Os and 187Re/187Os systematics,

Geochimica et Cosmochimica Acta, Volume 66, Number 2, Pages 273–290, 2002

187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os
-2,385,435	-314,510	-257,783	-165,229
-1,992,631	-314,379	-222,545	-153,445
-1,910,797	-314,216	-184,640	-152,839
-1,812,597	-313,430	-184,443	-152,675
-1,468,894	-301,270	-176,407	-152,675
-1,043,357	-300,533	-176,211	-152,512
-952,848	-300,468	-176,080	-152,364
-915,859	-300,468	-175,916	-152,184
-331,941	-299,977	-175,884	-152,021
-314,543	-281,073	-171,956	-137,683

8. U-Pb Geo Chronology of Sri Lanka,

Precambrian Research, 1994, Volume 66, Pages 123 - 149

Pb206/U238	Pb206/U238	Pb207/U235	Pb207/U235	Pb207/Pb206	Pb207/Pb206
1,378	771	1,537	805	1,840	904
1,331	764	1,521	802	1,823	892
1,326	759	1,516	782	1,799	886
1,314	753	1,504	780	1,775	878
1,303	744	1,415	774	1,767	874
1,256	726	1,406	758	1,730	862
1,203	725	1,361	748	1,714	858
1,202	722	1,359	745	1,664	856
1,194	720	1,318	744	1,656	838
1,193	709	1,300	731	1,630	833
1,156	707	1,294	727	1,619	814
1,098	703	1,265	725	1,594	804
1,096	698	1,263	722	1,578	799
1,080	671	1,255	694	1,569	798
1,039	649	1,197	691	1,556	791
1,018	647	1,181	686	1,501	781
1,015	640	1,173	680	1,494	780
1,003	630	1,079	663	1,472	778
987	626	1,056	658	1,417	736
986	618	1,007	648	1,392	729
977	613	994	620	1,259	648
976	610	985	612	1,255	619
973	609	983	608	1,251	604
954	562	981	606	1,250	598
922	553	966	561	1,244	594
919	533	961	551	1,206	592
901	521	960	537	1,176	582
875	515	958	527	1,164	575
839	513	953	520	1,151	572

9. The Sudbury Igneous Complex, Ontario,

Geochimica et Cosmochimica Acta, Volume 66 (2002) Number 2, Pages 273-290

187Os/188Os	187Os/188Os
-2,385,435	-222,545
-1,992,631	-184,640
-1,910,797	-184,443
-1,812,597	-177,237
-1,468,894	-176,900
-1,043,357	-176,736
-952,848	-176,211
-915,859	-175,884
-331,941	-171,956
-316,086	-165,229
-315,917	-153,669
-315,757	-153,537
-314,510	-153,524
-313,430	-153,445
-301,991	-153,367
-301,971	-152,973
-301,481	-152,828
-301,270	-152,364
-300,533	-137,683
-281,073	-128,289
-257,783	-316,086

10. Age and Radiogenic Isotopic Systematics,

Canadian Journal Of Earth Science, 1987, Volume 24, Pages 24-30

208Pb/232Th	207Pb/206Pb	206Pb/238U	147Sm/144Nd	87Rb/86Sr
124,106	5,212	44,204	1,906	9,405
119,630	5,188	41,998	1,904	4,546
116,743	5,184	41,408	1,899	1,825
113,288	5,183	38,515	1,877	1,787
108,412	5,181	34,690	1,875	1,515
107,946	5,174	31,695	1,868

11. Central Asian Orogenic Belt,

Lithos, Volume 126, 2011, Pages 233-247

Sample	147Sm/144Nd	176Lu/177Hf	187Re/188Os	187Re/188Os
KL-3-24	820	-30	-330	-3,830
KL-3-26	1,150	-30	-30	-2,490
KL3-27-1	1,280	390	160	-1,780
KL3-27-2	1,390	430	280	-1,170
KL3-28	1,430	440	390	-640
KL3-30	1,520	470	560	-620
KL3-38	1,820	540	600	-200
08KL-01	2,310	590	1,030	-20
08KL-03	2,310	630	1,050	10
08KL-04	3,470	690	1,110	690
08KL-05	4,350	700	1,120	1,010
08KL-07	5,910	740	1,220	1,380
08KL-09		760	1,280	1,420
08KL-10		1,280	1,420	2,170
08KL-11		14,650	1,890	2,640
08KL-12			1,910	6,520
08KL-13			2,090	10,620

12. Rb-Sr and U-Pb Systematics,

Lithology and Mineral Resources, 2011, Volume 46, Number 2, Pages 151-164

87Rb/86Sr	207Pb/206Pb	206Pb/238U	206Pb/238U
3,436	5,102	10,539	10,283
2,253	5,101	9,601	8,986
2,167	5,069	9,393	8,771
2,139	5,063	8,490	8,608
2,139	5,062	7,826	7,109
2,134	5,057	6,134	5,303
2,106	5,056	5,647
2,057	4,987	4,829
2,036	4,865	2,814
2,025	4,834
1,984
1,739

13. Trace Element-Pb Isotope Enrichments,

Earth and Planetary Science Letters 245 (2006), Pages 137-152

207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb
5,005	4,996	4,991	4,979
5,003	4,995	4,991	4,978
5,001	4,995	4,990	4,975
4,999	4,995	4,989	4,972
4,999	4,995	4,989	4,972
4,998	4,993	4,987	4,971
4,998	4,993	4,986	4,964
4,997	4,993	4,983	4,964
4,997	4,991	4,983	4,959

14. Geochemical Portray of the Pacific Ridge,

Earth And Planetary Science Letters, Volume 302, 2011, Pages 154-162

207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb
5,018	4,993	4,980	4,972
5,016	4,992	4,979	4,971
5,011	4,989	4,978	4,971
5,009	4,989	4,978	4,969
5,009	4,988	4,978	4,969
5,006	4,988	4,977	4,969
4,997	4,988	4,976	4,969
4,997	4,988	4,976	4,969
4,997	4,987	4,974	4,969
4,997	4,987	4,974	4,968
4,995	4,987	4,974	4,967
4,994	4,987	4,974	4,967
4,994	4,987	4,974	4,967
4,994	4,987	4,974	4,964
4,993	4,987	4,973	4,944
4,993	4,986	4,972

15. Rb-Sr And U-Th-Pb Isotopic Study,

Earth and Planetary Science Letters, Volume 42 (1979) Pages 368-378

207Pb/206Pb	207Pb/206Pb
5,127	5,082
5,122	4,999
5,122	4,998
5,093	4,941
5,084	4,923
5,082	4,845

16. Geo Chronological Problems,

Gondwana Research, Volume 14 (2008) Page 644-662

Pb207/Pb206	Pb207/Pb206
4,898	4,372
4,848	4,156
4,804	3,854
4,778	3,789
4,722	3,643
4,719	3,512
4,654	3,037
4,615	2,712
4,473	2,692
4,376	2,614

17. The Age Of The Lithospheric Mantle,

Earth and Planetary Science Letters, Volume 183 (2000), Pages 93-106

207Pb/206Pb	232Th/208Pb
5,172	510
5,235	4,678
5,077	170
5,161	1,786
5,235	4,678
5,077	170

18. Argon Isotope Fractionation,

Geochimica et Cosmochimica Acta, 2005, Volume 69, Number 5, Pages 1253-1264

40Ar/39Ar	40Ar/39Ar	40Ar/39Ar	40Ar/39Ar
5,804	4,843	3,286	2,130
5,425	4,633	2,851	2,070
5,371	4,517	2,781	1,911
5,341	4,332	2,746	1,844
5,269	4,060	2,583	1,841
5,054	3,973	2,576	1,814
4,978	3,967	2,407	1,230
4,964	3,884	2,335	322
4,916	3,542	2,171

19. Garnet Granulite Xenoliths,

Journal Of Petrology, 2001, Volume 42, Number 4, Pages 731-763

207Pb/206Pb	207Pb/206Pb	206Pb/238U	206Pb/238U
4,820	4,017	40,059	7,382
4,574	4,015	35,742	7,188
4,547	4,012	34,459	6,792
4,448	4,008	33,978	6,759
4,445	4,005	28,118	6,265
4,429	3,997	27,473	5,865
4,426	3,994	25,884	5,177
4,405	3,985	21,209	4,977
4,359	3,981	21,092	2,549
4,359	3,973	20,648	1,608
4,268	3,936	17,527
4,268	3,917	16,337
4,232	3,914	16,026
4,187	3,891	15,626
4,173	3,873	15,018
4,173	3,872	14,468
4,144	3,859	14,371
4,141	3,848	13,724
4,117	3,844	13,724
4,106	3,829	13,404
4,103	3,826	13,404
4,100	3,820	12,747
4,096	3,808	12,622
4,093	3,803	12,165
4,093	3,793	11,432
4,093	3,789	10,956
4,066	3,773	10,956
4,059	3,772	10,049
4,023	3,764	9,250

20. 40Ar/39Ar Constraints,

South African Journal Of Geology, 2000, Volume 103, Pages 175 - 190

40Ar/39Ar	40Ar/39Ar	40Ar/39Ar	40Ar/39Ar
3,335	2,164	2,063	2,028
3,171	2,156	2,063	2,027
3,143	2,141	2,061	2,024
3,120	2,125	2,061	2,023
2,858	2,115	2,060	2,020
2,736	2,105	2,060	2,015
2,698	2,100	2,059	2,007
2,639	2,095	2,058	2,006
2,613	2,093	2,058	1,994
2,590	2,092	2,055	1,989
2,505	2,091	2,052	1,987
2,493	2,090	2,052	1,978
2,482	2,081	2,050	1,975
2,481	2,080	2,050	1,973
2,473	2,080	2,049	1,971
2,433	2,076	2,048	1,970
2,374	2,076	2,046	1,961
2,372	2,075	2,045	1,951
2,366	2,074	2,043	1,944
2,262	2,072	2,043	1,930
2,236	2,072	2,043	1,913
2,220	2,066	2,042	1,890
2,196	2,066	2,039	1,733
2,176	2,065	2,037	1,717
2,169	2,063	2,037	1,640
2,168	2,063	2,031	1,639

21. 186Os/187Os Systematics of Hawaiian Picrites,

Geochimica et Cosmochimica Acta, Volume 75 (2011) Pages 4456–4475

187Os/188Os	187Os/188Os	187Os/188Os
-726	-1,208	-1,658
-726	-1,266	-1,659
-740	-1,474	-1,660
-741	-1,499	-1,781
-804	-1,500	-1,782
-804	-1,500	-1,888
-804	-1,519	-1,941
-804	-1,563	-2,164
-810	-1,564	-2,455
-810	-1,565	-2,455
-810	-1,572	-6,205
-817	-1,579	-7,424
-860	-1,592	-32,043
-863	-1,592	-41,021
-929	-1,593	-59,275
-929	-1,635	-73,149
-930	-1,636	-103,504
-990	-1,638	-137,547
-1,123	-1,646	-143,516
-1,208	-1,651

22. 186Os/187Os Systematics of Hawaiian Picrites,

Earth and Planetary Science Letters, Volume 174 (1999) Pages 25-42

187Os/188Os	187Os/188Os	187Os/188Os	187Os/188Os
-8,068	-1,786	-1,319	-646
-5,422	-1,786	-1,244	-646
-3,181	-1,785	-971	-630
-2,283	-1,785	-970	1,772
-2,282	-1,612	-970	1,780
-2,281	-1,583	-970	1,781
-2,280	-1,547	-933	1,781
-2,280	-1,524	-933	1,781
-2,277	-1,523	-933	1,781
-2,277	-1,522	-932	1,782
-2,276	-1,519	-932	1,782
-2,276	-1,519	-932	1,782
-2,125	-1,514	-874	1,785
-2,124	-1,514	-808
-2,124	-1,474	-808
-2,124	-1,429	-808
-1,946	-1,428	-808
-1,945	-1,320	-807
-1,945	-1,320	-647
-1,944	-1,320	-646

23. Osmium Isotopes in Baffin Island,

Earth and Planetary Science Letters, 2009, Volume 278, Pages 267–277

187Os/188Os	187Os/188Os	187Re/188Os	187Re/188Os
-1,515	-525	-21,326	121
-1,395	-490	-1,181	131
-1,374	-487	-277	153
-1,317	-484	-57	165
-1,207	-431	-53	177
-1,176	-427	-39	257
-993	-423	18
-988	-423	35
-890	-418	47
-831	-407	50
-718	-399	58
-664	-395	65
-621	-384	68
-592	-341	69
-554	-323	73
-544	-322	78
-544	-287	105

24. Chromite Deposits Of the Ipueira,

Journal Of Petrology, 2003, Volume 44, Number 4, Pages 659–678

187Os/188Os	187Os/188Os
-50,956	2,407
-17,862	2,407
-8,828	2,420
-2,449	2,428
1,010	2,662
1,465

25. Iron Formations In The Black Hills,

Precambrian Research, Volume 162 (2008), Pages 441-474

207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb
5,250	5,016	4,837	4,597
5,209	5,010	4,825	4,589
5,209	5,000	4,821	4,520
5,190	4,991	4,804	4,480
5,183	4,986	4,790	4,478
5,170	4,966	4,781	4,446
5,166	4,966	4,772	4,435
5,164	4,930	4,772	4,415
5,164	4,927	4,755	4,399
5,146	4,917	4,755	4,382
5,141	4,909	4,752	4,266
5,137	4,899	4,718	4,247
5,121	4,898	4,718	4,216
5,096	4,883	4,697	4,170
5,087	4,877	4,664	4,134
5,082	4,871	4,663	4,113
5,060	4,861	4,661	4,081
5,038	4,857	4,651	4,078
5,037	4,857	4,644	4,069
5,033	4,842	4,624	4,007
5,020	4,837	4,622

26. Model Lead And Radiometric Ages,

Geochimica et Cosmochimica Acta, 1970, Volume 34, Pages 1039 to 1106.

Pb207/Pb206	Pb207/Pb206	Pb207/Pb206	Pb207/Pb206
4,846	5,184	5,226	6,385
5,008	5,211	5,229	6,387
5,056	5,217	5,235	6,387
5,074	5,218	5,236	6,388
5,085	5,219	5,236	6,389
5,089	5,220	5,239	6,389
5,089	5,220	6,338	6,390
5,114	5,221	6,349	6,393
5,139	5,221	6,356	6,393
5,140	5,221	6,358	6,394
5,141	5,222	6,359	6,394
5,143	5,223	6,366	6,395
5,157	5,223	6,372	6,396
5,157	5,223	6,376	6,399
5,158	5,223	6,378	6,399
5,169	5,223	6,382	6,412
5,179	5,224	6,383	6,426
5,180	5,225	6,383	6,462
5,182	5,226	6,384	7,797
5,184	5,226	6,384

27. Pb Isotopic Compositions Of Rocks,

Geochimica et Cosmochimica Acta, Volume 71 (2007), Pages 5514-5527

207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb	207Pb/206Pb
5,265	5,261	5,259	5,256	5,248	5,226
5,265	5,261	5,259	5,256	5,248	5,225
5,264	5,261	5,259	5,256	5,247	5,205
5,264	5,261	5,259	5,255	5,246	5,200
5,264	5,261	5,259	5,255	5,246	5,193
5,264	5,261	5,259	5,255	5,246	5,192
5,264	5,260	5,259	5,254	5,244	5,187
5,263	5,260	5,259	5,253	5,244	5,187
5,262	5,260	5,259	5,253	5,238	5,165
5,262	5,260	5,259	5,253	5,237	5,096
5,261	5,260	5,259	5,253	5,237	5,083
5,261	5,260	5,259	5,253	5,235	5,059
5,261	5,260	5,258	5,253	5,232	5,055
5,261	5,260	5,258	5,251	5,232
5,261	5,260	5,258	5,251	5,232
5,261	5,260	5,258	5,250	5,231
5,261	5,260	5,258	5,250	5,230
5,261	5,259	5,257	5,249	5,228
5,261	5,259	5,257	5,249	5,227
5,261	5,259	5,256	5,248	5,226

References

1.             Re/Os Isotopes of Sulfides, Lithos, Volume 102, 2008, Pages 43-64

2.             Re-Os Evidence, Chemical Geology, Volume 236, 2007, Pages 323-338

3.             Microanalysis Of Individual Fluid Inclusions, Earth and Planetary Science Letters, Volume 296 (2010),

Pages 267-277

4.             Pb-206/Pb-207 Dating Of Zircon, Chemical Geology, 2003, Volume 197, Pages 87 - 110

5.             Detrital Zircon U-Pb Dating, Precambrian Research, 2007, Volume 139, Pages 155 - 177

6.             Origin of Paleoproterozoic Komatiites, Journal Of Petrology, 2006, Volume 47, Number 4, Pages 773-789

7.             190Pt–186Os and 187Re–187Os systematics, Geochimica et Cosmochimica Acta, Volume 66, Number 2,

Pages 273–290, 2002

8.             U-Pb Geo Chronology of Sri Lanka, Precambrian Research, 1994, Volume 66, Pages 123 - 149

9.             The Sudbury Igneous Complex, Ontario, Geochimica et Cosmochimica Acta, Volume 66 (2002) Number 2,

Pages 273-290

10.          Age and Radiogenic Isotopic Systematics, Canadian Journal Of Earth Science, 1987, Volume 24, Pages 24-30

11.          Central Asian Orogenic Belt, Lithos, Volume 126, 2011, Pages 233-247

12.          Rb-Sr and U-Pb Systematics, Lithology and Mineral Resources, 2011, Volume 46, Number 2, Pages 151-164

13.          Trace Element-Pb Isotope Enrichments, Earth and Planetary Science Letters 245 (2006), Pages 137-152

14.          Geochemical portray of the Pacific Ridge, Earth And Planetary Science Letters, Volume 302, 2011, Pages 154-162

15.          Rb-Sr And U-Th-Pb Isotopic Study, Earth and Planetary Science Letters, Volume 42 (1979) Pages 368-378

16.          Geochronological Problems, Gondwana Research, Volume 14 (2008) Page 644-662

17.          The Age Of The Lithospheric Mantle, Earth and Planetary Science Letters, Volume 183 (2000) , Pages 93-106

18.          Argon Isotope Fractionation, Geochimica et Cosmochimica Acta, 2005, Volume 69, Number 5, Pages 1253-1264

19.          Garnet Granulite Xenoliths, Journal Of Petrology, 2001, Volume 42, Number 4, Pages 731-763

20.          40Ar/39Ar Constraints, South African Journal Of Geology, 2000, Volume 103, Pages 175 - 190

21.          186Os–187Os systematics of Hawaiian Picrites, Geochimica et Cosmochimica Acta, Volume 75 (2011)

Pages 4456–4475

22.          186Os/187Os systematics of Hawaiian picrites, Earth and Planetary Science Letters, Volume 174 (1999)

Pages 25-42

23.          Osmium Isotopes in Baffin Island, Earth and Planetary Science Letters, 2009, Volume 278, Pages 267–277

24.          Chromite Deposits Of the Ipueira, Journal Of Petrology, 2003, Volume 44, Number 4, Pages 659–678

25.          Iron Formations In The Black Hills, Precambrian Research, Volume 162 (2008), Pages 441-474

26.          Model Lead And Radiometric Ages, Geochimica et Cosmochimica Acta, 1970, Vol. 34, pp. 1039 to 1106.

27.          Pb Isotopic Compositions Of Rocks, Geochimica et Cosmochimica Acta, Volume 71 (2007), Pages 5514-5527

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