Th, U and other trace elements in carbonaceous chondrites: Implications for the terrestrial and solar-system Th U ratios

Earth and Planetary Science Letters

Volumn 117, Issue 1-2, 1993, Pages 265-278

  Rocholl, A ^a   Jochum, K P ^a  

^a MAX PLANCK INSTITUTE FOR CHEMISTRY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ALTERATION; CARBONACEOUS CHONDRITE; FRACTIONATION; SOLAR SYSTEM ABUNDANCE; THORIUM; URANIUM;

EID: 0027428172     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/0012-821X(93)90132-S     Document Type: Article

References (73)

1. Comportment des systemes UThPb dans le manteau superieur et modele d'evolution de ce dernier au cours des temp geologiques
2. Ore lead isotope ratios in a continuously changing Earth
3. Isotopic composition of lead in oceanic basalts and its implication to mantle evolution
4. Lead-lead systematics, the ‘age of the Earth’ and the chemical evolution of our planet in a new representation space
5. Chemical composition of the mantle
6. Limits on theTh/U ratio of the continental crust and the Earth
7. thorium/uranium ratio of the Earth
8. Lead isotope relationships in carbonatites and alkalic complexes
9. ThUPb evolution of the MORB mantle and upper continental crust
10. Basaltic magmatism and the composition of the moon. I. Major and heat-producing elements
11. Chemical composition of Earth Venus and Mercury
12. Limits on chemical and convective isolation in the Earth's interior
13. Residence time of thorium, uranium and lead in the mantle with implications for mantle convection
14. New observations and old nucleo-cosmochronologies
15. Galactic chemical evolution and nucleocosmochronology standard model with terminated infall
16. General constraints on the age and chemical evolution of the Galaxy
17. Chemical abundances in meteorites
18. Abundances of the elements: meteoritic and solar
19. The abundances of major, minor and trace elements in the earth's mantle as derived from primitive ultramafic nodules
20. Chemical composition and accretion history of terrestrial planets
21. Uranium and thorium abundances in chondritic meteorites
22. Actinide abundances in ordinary chondrites
23. UThPb and RbSr systematics of Allende and UThPb systematics of Orgueil
24. Th/U of the Earth: a chondritic perspective
25. Die Bestimmung von Os-Isotopenverhältnissen und Re-, Os-, Th- und U-Konzentrationen mit Hilfe eines neuen funkenmassenspektrometrischen Verfahrens und seine Anwendung auf geochemische und kosmochemische Probleme
26. Th and U in some chondrites
27. 176Lu
28. Géochimie isotopique du thorium et strontium dans la serie tholéiitique d'Islande et dans des series calco-alcalines diverses
29. A new spark source mass spectrometric technique for the analysis of sub-ng amounts of trace elements
30. 187Os systematics in meteorites: early chronology of the solar system and age of the galaxy
31. 187Os chronometer
32. Multi-element analysis by isotope dilution-spark source mass spectrometry
33. 1989 compilation of working values and sample description for 272 geostandards
34. The solar-system abundances of Nb, Ta, and Y, and the relative abundances of refractory lithophile elements in differentiated planetary bodies
35. Refractory lithophile elements
36. The concentrations of the heavy metals in the four new Antarctic meteorites Yamato (a), (b), (c) and (d) and in Orgueil, Murray, Allende, Abee, Allegen, Mocs and Johnstown
37. Time difference in the formation of meteorites as determined from the ratio of lead-207 to lead-206
38. Isotopic lead investigations on the Allende carbonaceous chondrite
39. Induced fission track measurements of carbonaceous chondritesTh/U ratios andTh/U microdistributions in Allende inclusions
40. UThPb in chondrites—evidence of elemental mobilities and the singularity of primordial Pb
41. The abundance and relative volatility of refractory trace elements in Allende Ca, Al-rich inclusions: implications for chemical and physical processes in the solar nebular
42. Are C1 chondrites chemically fractionated? A trace element study
43. Aqueous alteration
44. Thermal metamorphism
45. Carbonates and sulfates in CI chondrites: Formation by aqueous activity on the parent body
46. Phyllosilicate veins in a C1 meteorite: evidence for aqueous alteration on the parent body
47. Early solar system aqueous activity: Sr isotopic evidence from the Orgueil CI meteorite
48. Alteration in CM carbonaceous chondrites inferred from modal and chemical variations in matrix
49. Role of fluids in transport and fractionation of uranium and thorium in magmatic processes
50. Trace phases in CI chondrites
51. Abundances and ratios of refractory elements in SNC-meteorites and eucrites
52. UThPb systematics of the eucrite ‘Juvinas’: precise age determination and evidence for exotic lead
53. History of the Pasamonte Achondrite relative sensceptibility of the SmNd RbSr and UPb system to metamorphic events
54. UThPb isotopic studies on meteorites ALHA 81005 and Ibitira
55. UThPb, RbSr and K measurements on some Apollo 15 and Apollo 16 samples
56. Origin of lead from green glass of Apollo 15425 A search for primitive lunar lead
57. Lunar highland meteorites and the composition of the lunar crust
58. Chemical differentiation of the Earth: The relationship between mantle, continental crust, and oceanic crust
59. Basalt genesis and mantle structure studied through Th-isotopic geochemistry
60. K, U and Th in mid-ocean ridge basalt glasses and heat production,KU andK/Rb in the mantle
61. Constraints on the nature and development of chemical heterogenities in the mantle
62. NbThLa in komatiites and basalts: constraints on komatiite petrogenesis and mantle evolution
63. Approximation of terrestrial lead isotope evolution by a two-stage model
64. Partitioning of K U and Th between sulfide and silicate liquid implications for radioactive heating of planetary cores
65. Effects of a Hadean terrestrial magma ocean on crust and mantle evolution
66. Mass balance and phase density constraints on early differentiation of chondritic mantle
67. Early mantle differentiation and its thermal consequences
68. Radioelement concentrations in the deep profile through Precambrian basement of the Vredefort structure
69. The Vredefort radioelement profile extended to supercrustal strata at Carletonville, with implications for continental heat flow