Basalt compositions from the Mid-Atlantic ridge at the smark area (22°30'N to 22°50'N) - Implications for parental liquid variability at isotopically homogeneous spreading centers

Earth and Planetary Science Letters

Volumn 186, Issue 3-4, 2001, Pages 451-469

  Meurer, W P ^a,b   Sturm, M A ^a   Klein, E M ^a   Karson, J A ^a  

^a DUKE UNIVERSITY   (United States)

^b UNIVERSITY OF GOTHENBURG   (Sweden)

Author keywords

Basaltic composition; Fractionation; Kane fracture zone; Mid Atlantic Ridge; Mid ocean ridge basalt; Parental material

Indexed keywords

BASALT; FRACTIONATION; MID-OCEAN RIDGE; MID-OCEAN RIDGE BASALT; PETROLOGY;

ATLANTIC OCEAN;

EID: 0035009010     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(01)00260-6     Document Type: Article

References (40)

1. Along-axis variations in seafloor spreading in the MARK area
2. No evidence from multichannel seismic reflection data for a crustal magma chamber in the MARK area on the Mid-Atlantic Ridge
3. Characteristics and evolution of the segmentation of the Mid-Atlantic Ridge between 20°N and 24°N during the last 10 million years
4. Detailed volcanic geology of the MARNOK area, Mid-Atlantic Ridge north of Kane transform
5. The Mid-Atlantic Ridge at 23°N: Bathymetry and magnetics
6. Two and three-dimensional inversions of magnetic anomalies in the MARK area (Mid-Atlantic Ridge, 23°N)
7. The morphology and tectonics of the MARK area from sea Beam and MARC 1 observations (Mid-Atlantic Ridge 23°N)
8. Variations in axial processes on the Mid-Atlantic Ridge: The median valley of the MARK area
9. Crustal structure of the Mid-Atlantic Ridge at 23°N from seismic refraction studies
10. Three dimensional analysis of gravity anomalies in the MARK area (MAR, 23°N)
11. Dike orientations, fault-block rotations, and the construction of slow spreading oceanic crust at 22 degrees 40Ń on the Mid-Atlantic Ridge
12. Tectonic window into gabroic rocks of the middle oceanic crust in the MARK area near sites 921-924
13. Comparative volcanology of small axial eruptive centers in the MARK area
14. Microearthquakes beneath the median valley of the Mid-Atlantic Ridge near 23°N: Tomography and tectonics
15. Petrological systematics of the Mid-Atlantic Ridge south of Kane: Implications for ocean crust formation
16. Melt aggregation within the crust beneath the Mid-Atlantic ridge: Evidence from plagioclase and clinopyroxene major and trace element compositions
17. Evidence from oceanic gabbros for porous melt migration within a crystal mush beneath the Mid-Atlantic Ridge
18. Fine-scale isotopic heterogeneity in the sub-Atlantic mantle
19. Geochemical morphology of the North Mid-Atlantic Ridge, 10 degrees-24 degrees N; trace element-isotope complementarity
20. A Sr-, Nd-, Pb-, O-isotope study of plutonic rocks from MARK, Leg. 153; implications for mantle heterogeneity and magma chamber processes?
21. Whole-rock geochemistry and Sr-, Nd-, and Pb-isotopic characteristics of undeformed, deformed, and recrystallized gabbros from Sites 921, 922, and 923 in the MARK area
22. Metal redistribution during fluid exsolution and migration in the Middle Banded series of the Stillwater complex, Montana
23. A procedure for calculating the equilibrium distribution of trace elements among the minerals of cumulate rocks, and the concentration of trace elements in the coexisting liquids
24. Cumulus and postcumulus crystallization in the oceanic crust; major and trace-element geo-chemistry of Leg 153 gabbroic rocks
25. Compositional variation in normal MORB from 22-25N: Mid-Atlantic Ridge and Kane fracture zone
26. The effect of trapped liquid crystallization on cumulus mineral compositions in layered intrusions
27. Systematic distribution of E-MORB in the MARK area
28. Evidence for the protracted construction of the lower oceanic crust at the MARK area by emplacement of small magma bodies
29. Calculation of phase equilibria in mineral-melt systems
30. Fractionation of mid-ocean ridge basalts (MORB)
31. Influence of spreading rate and magma supply on crystallization and assimilation beneath mid-ocean ridges; evidence from chlorine and major element chemistry of mid-ocean ridge basalts
32. Pressure effects, kinetics, and rheology of anorthositic realted magmas
33. Deep structure of the Iceland plateau
34. Petrologic and geochemical variations along the Mid-atlantic ridge from 29°N to 73°N
35. Geochemical effects of dynamic melting beneath ridges: Reconciling major and trace element variations in Kolbeinsey (and global) mid-ocean ridge basalt
36. Interaction between the Chile Ridge and the Chile Trench
37. Unusually large Nb-Ta depletions in North Chile ridge basalts at 36°50' to 38°56'S: Major element, trace element, and isotopic data
38. Variations in the geochemistry of magmatism on the East Pacific rise at 10°30'N since 800 ka