The least radiogenic terrestrial leads; implications for the early Archean crustal evolution and hydrothermal-metasomatic processes in the Isua Supracrustal Belt (West Greenland)

Chemical Geology

Volumn 181, Issue 1-4, 2001, Pages 47-66

  Frei, Robert ^a   Rosing, Minik T ^b,c  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b UNIVERSITY OF COPENHAGEN   (Denmark)

^c DANISH LITHOSPHERE CENTRE   (Denmark)

Author keywords

Archean; Geochronology; Isua supracrustals; Metasomatism; Pb isotopes; West Greenland

Indexed keywords

ARCHEAN; CRUSTAL EVOLUTION; GALENA; LEAD; METASOMATISM;

GREENLAND;

EID: 0034755214     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2541(01)00263-7     Document Type: Article

References (51)

1. Thorium/uranium ratio of the earth
2. Gahnite in the ∼ 3.75 Ga Isua Greenstone belt, West Greenland
3. Least radiogenic terrestrial lead from Isua, West Greenland
4. Recognizable primary volcanic and sedimentary features in a low-strain domain of the highly deformed, oldest known ( ∼ 3.7-3.8 Gyr) Greenstone belt, Isua, West Greenland
5. U-Pb isotope systematics on minerals from the gneiss complex at Isukasia, West Greenland
6. Mineral isotopic age relationships in the polymetamorphic Amîtsoq Gneiss, Godthaab district, West Greenland
7. Nd isotopic evidence for transient, highly depleted mantle reservoirs in the early history of the earth
8. The Nd and Hf isotopic evolution of the mantle through the Archean. Results from the Isua supracrustals, West Greenland, and from the Birimian terranes of West Africa
9. The least radiogneic Pb in iron meteorites
10. Ore lead isotope ratios in a continuously changing earth
11. The application of lead isotopes to the problem of ore genesis and ore prospect evaluation: A review
12. Exploring the kappa conundrum: The role of recycling in the lead isotope evolution of the mantle
13. Single mineral dating by the Pb-Pb step-leaching method: Assessing the mechanisms
14. A pre-3.74 Ga old tectono-metamorphic event in the outer Isua (West Greenland) supracrustal belt: Evidence from Pb stepwise leaching of sulfide-bearing quartz-tourmaline veins
15. Controversial Pb-Pb and Sm-Nd isotope results in the early Archean Isua (West Greenland) oxide iron formation: Preservation of primary signatures versus secondary disturbances
16. Hydrothermal-metasomatic and tectono-metamorphic processes in the Isua supracrustal belt (West Greenland): A multi-isotopic investigation of their effects on the earth's oldest oceanic crustal sequence
17. Residence time of thorium, uranium and lead in the mantle with implications for mantle convection
18. Initial Pb of the Amîtsoqneiss, West Greenland, and implications for the age of the earth
19. Th isotope and U-series studies of subduction-related volcanic rocks
20. Resetting of Sm-Nd systematics during metamorphism of > 3.7-Ga rocks: Implications for isotopic models of early earth differentiation
21. Initial Pb of the Amitsoq gneiss revisited: Implications for the timing of early Archaean crustal evolution in West Greenland
22. Two terrestrial lead isotope paradoxes, forward transport modeling, core formation and the history of the continental crust
23. Th-U-Pb evolution of the MORB mantle and upper continental crust
24. A computer program to convert raw U-Th-Pb isotope ratios to blank-corrected ratios and concentrations with associated error-correlations
25. Th, Pb and Sr isotopic vaiations in young island arc volcanics and oceanic sediments
26. Re-appraisal of the age of the oldest water-lain sediments, West Greenland: Significance for the existence of life on the early Archaean earth
27. Extreme Nd-isotope heterogeneity in the early Archaean-fact or fiction? Case histories from northern Canada and West Greenland
28. Protoliths of the 3.8-3.7 Ga Isua Greenstone belt, West Greenland
29. Early Archaean Amîtsoq tonalites and granites of the Isukasia area, Southern West Greenland: Development of the oldest-known sial
30. The Itsaq gneiss complex of Southern West Greenland: The world's most extensive record of early crustal evolution (3900-3600 Ma)
31. ∼ 3710 and > 3790 Ma volcanic sequences in the Isua (Greenland) supracrustal belt: Structural and Nd isotope implications
32. Meta-igneous (non-gneissic) tonalites and quartz-diorites from an extensive ca. 3800 Ma terrain South of the Isua supracrustal belt, Southern West Greenland: Constraints on early crust formation
33. The early Archean itsaq gneiss complex of Southern West Greenland: The importance of field observations in interpreting age and isotopic constraints for early terrestrial evolution
34. The age of meteorites and the earth
35. Lead isotopic signatures: Further examination of comparison between South Africa and Western Australia
36. Age of the "least radiogenic" galenas at Isua, West Greenland
37. The origin of metacarbonate rocks in the Archean Isua supracrustal belt, West Greenland
38. C-depleted carbon microparticles in > 3700-Ma sea-floor sedimentary rocks from West Greenland
39. Late Archean metasomatism and kyanite formation in the > 3700 Ma Isua Supracrustals, West Greenland
40. Earliest part of Earth's stratigraphic record: A reappraisal of the ≥ 3.7 Ga Isua (West Greenland) supracrustal sequence
41. Pb stepwise leaching (PbSL) dating of garnet-addressing the inclusion problem
42. Sources of iron-formations in the Archean Isua and Malene supracrustals, West Greenland: Evidence from La-Ce and Sm-Nd isotopic data and REE abundances
43. Approximation of terrestrial lead isotope evolution by a two-stage model
44. Isotopic composition of lead in oceanic basalt and its implication to mantle evolution
45. Pb double spike
46. Constraints on early earth differentiation from hafnium and neodymium isotopes
47. Terrestrial lead isotopic evolution and formation time of the earth's core
48. Age significance of U-Th-Pb zircon data from early Archaean rocks of West Greenland-a reassessment based on combined ion-microprobe and imaging studies