Nd- and Pb-isotopic variations through the upper oceanic crust in DSDP/ODP Hole 504B, Costa Rica Rift

Earth and Planetary Science Letters

Volumn 189, Issue 3-4, 2001, Pages 221-235

  Pedersen, Rolf B ^a   Furnes, Harald ^a  

^a UNIVERSITY OF BERGEN   (Norway)

Author keywords

DSDP site 504; Mid ocean ridge basalts; Nd 144 Nd 143; Oceanic crust; Pacific ocean; Pb 206 Pb 204

Indexed keywords

ISOTOPIC COMPOSITION; LEAD; NEODYMIUM; OCEANIC CRUST; RIFT ZONE;

PACIFIC OCEAN;

EID: 0034896592     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(01)00349-1     Document Type: Article

References (50)

1. K, Rb, Cs, Sr, and Ba contents and Sr isotope ratios of ocean floor basalts
2. Isotope geochemistry of Pacific mid-ocean ridge basalt
3. Petrologic systematics of mid-ocean ridge basalts: Constraints on melt generation beneath ocean ridges
4. Magmatic segmentation of mid-ocean ridges: A review
5. Neodymium isotopic evidence for Galapagos hotspot-spreading centre system evolution
6. Upper mantle heterogeneities and dynamics
7. Isotope and trace element geochemistry of young Pacific seamounts: Implications for the scale of upper mantle heterogeneity
8. Stochastic melting of the marble cake mantle: Evidence from local study of the East Pacific Rise at 12°50′ N
9. Sr, Nd and Pb isotopic variation along the Pacific-Antarctic risecrest, 53-57°S: Implications for the composition and dynamics of the South Pacific upper mantle
10. Mantle source heterogeneity and melting processes beneath seafloor spreading centers: The East Pacific Rise, 18°-19°S
11. Chemical and isotopic variations along the superfast spreading East Pacific Rise from 6 to 30° S
12. Lead-strontium isotopic variations along the East Pacific Rise and the Mid-Atlantic Ridge: A comparative study
13. Isotope and trace element characteristics of a super-fast spreading ridge: East Pacific rise, 13-23° S
14. Recent plate motions in the Galapagos area
15. Hydrothermal alteration of a section of upper oceanic crust in the Eastern Equatorial Pacific: A synthesis of results from DSDP/ODP Legs 69, 70, 83, 111, 137, 140 and 148 at Site 504B
16. Strontium and oxygen isotopic composition of some basalts from Hole 504B, Costa Rica Rift, DSDP Legs 69 and 70
17. Costa Rica rift zone basalts: Geochemical and experimental data from a possible example of multistage melting
18. Trace element geochemistry of basalts from hole 504B, Panama Basin, Deep Sea Drilling Project Legs 69 and 70
19. Basement geochemistry, hole 504B
20. Costa Rica Rift: Variably depleted basalts in the same hole
21. Geochemistry of basalts from Hole 504B, Leg 83, Costa Rica Rift
22. Petrology of basalts from Hole 504B, Deep Sea Drilling Project, Leg 83
23. Développement de l'ensemble chronométrique U-Th-Pb
24. 146 Nd, a natural tracer: An application to oceanic basalts
25. Petrology and isotope characteristics (H, O, S, Sr, and Nd) of basalts from oceanic drilling program hole 504B, Leg 111, Costa Rica Rift
26. REE, BA, and Sr abundances and Sr, Nd and Ce isotopic ratios in Hole 504B basalts, ODP Leg 111, Costa Rica Rift
27. Strontium- And lead-isotope composition of some basalts from Deep Sea Drilling Project Hole 504B, Costa Rica rift, Legs 69 and 70
28. Petrology and geochemistry of the Galápagos Islands: Portrait of a pathologic mantle plume
29. Chemistry of the lower sheeted dike complex, Hole 504B (Leg 148): Influence of magmatic differentiation and hydrothermal alteration
30. Stockwork-like sulfide mineralization in young oceanic crust: Deep Sea Drilling Project Hole 504B
31. Rare earth element systematics in hydrothermal fluids
32. Nd and Sr isotopic study of the Bay of Islands Ophiolite Complex and the evolution of the source of midocean ridge basalt
33. Anhydrous melting of peridotite at 0-15 kb pressure and genesis of tholeiitic basalts
34. Composition of liquids coexisting with spinel 1herzolite at 10 kbar and the genesis of MORBs
35. Global correlations of ocean ridge basalt chemistry with axial depth and crustal thickness
36. Depleted and enriched upper mantle sources for basaltic rocks from diverse tectonic environments in the northeast Pacific Ocean: The generation of oceanic alkaline vs. tholeiitic basalts
37. Heterogeneous mantle domains: Signatures, genesis and mixing chronologies
38. The extraction of magma from the crust and mantle
39. Mid-ocean ridge magma chambers
40. Reactive melt-migration beneath the Mid-Atlantic ridge: Evidence from ODP Leg 153 gabbros
41. The influence of mantle plumes in generation of Indian Ocean Crust
42. Influence of the Sierra Leone mantle plume on the equatorial Mid-Atlantic Ridge: A Nd-Sr-Pb isotopic study
43. Isotopic constraints on the influence of the Icelandic plume
44. Rare earth, Fe and Ti variations along the Galapagos spreading centre, and their relationship to the Galapagos mantle plume
45. Relationship of Sr-Nd-Pb isotopes of EPR and MAR basalt glasses to bathymetry and ridge segmentation
46. Axial and off-axial heterogeneity of basaltic rocks from the East Pacific Rise at 12 degrees 35′N-12 degrees 51′N and 11 degrees 26′N-11 degrees 30′N
47. Mantle control of a dynamically evolving spreading center: Mid-Atlantic Ridge 31-34° S
48. Fine-scale isotopic heterogeneity in the sub-Atlantic mantle
49. 205 Pb double spike (Abstract)