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Page 1: Mantle heterogeneity and isotopes in oceanic basalts
Page 2: Mantle heterogeneity and isotopes in oceanic basalts

Extensional Carboniferous magmatism at the western margin ... · alkaline basalts (basalts) and alkaline (trachytes) fields on the total alkali-silica diagram. The basalts display

Noble Gas Constraints on Mantle Structure and Convectiongeodynamics.usc.edu/~becker/myres/myres1/lecture_slides/noble_sujoy.pdfGeochemistry of Ne • Neon has three isotopes 20Ne,

Metasomatic origin of clinopyroxene in Archean mantle ... · Metasomatism Mantle xenoliths Sr isotopes Re–Os isotopes Hebi North China Craon Clinopyroxene is a major host for lithophile

On the composition of ocean island basalts (OIB): The ... · PDF fileOn the composition of ocean island basalts (OIB): The effects of lithospheric thickness variation and mantle metasomatism

57. ND AND SR ISOTOPIC STUDY OF LEG 127 BASALTS ... · and continental rift systems are triggered by the injection and/or up welling of asthenospheric mantle materials. The basalts

24. MAGNETIC VISCOSITY OF SUBMARINE BASALTS, DEEP … · MAGNETIC VISCOSITY OF SUBMARINE BASALTS, DEEP SEA DRILLING ... These studies on the magnetic viscosity of submarine basalts

Open Research Online · Bonnand, Pierre; Parkinson, Ian J. and Anand, Mahesh (2016). Mass dependent fractionation of stable chromium isotopes in mare basalts: implications for the

Flavors of basalts - University of Washington

Phase III – Stage 7: Afar mantle plume volcanism Mid Oligocene Flood basalts

Textures of Basalts and Gabbros

Columbia River Basalts - ISU

Compositional trends of Icelandic basalts: Implications ...eprints.esc.cam.ac.uk/2228/7/ggge2058.pdf · fore, at high MgO Nb/Zr preserves a signal of mantle source enrichment. In

Lower-mantle plume beneath the Yellowstone hotspot ......the Columbia River Flood Basalts (CRB) that has followed plate movement12, high He3/He4 ratios13, a prominent regional geoid

Oceanic Island Basalts and Mantle Plumes: The Geochemical ... · mal upper mantle and that upwelling rates within the melting region are faster than beneath mid-ocean ridges. 186Os/188Os

Lunar Cumulate Mantle Overturn: A Model Constrained by ...hpc.pku.edu.cn/docs/pdf/a20191230158.pdf · gin and asymmetric concentration of mare basalts on the near side of the Moon

Continental Flood Basalts and Mantle Plumes ... · Continental Flood Basalts and Mantle Plumes: aCaseStudyoftheNorthernEthiopianPlateau ... In this study we present ... Rock samples

Nb and Pb in oceanic basalts: new constraints on mantle …faculty.washington.edu/stn/ess_501/reading/Hofmann_Nb-U-Ce-Pb_EPSL... · Earth and Planetary Science Letters, 79 (1986)

Implications of mantle plume structure for the evolution ... · Implications of mantle plume structure for the evolution of flood basalts Ian H. Campbell and Ross W. Griffiths Research

Stable Isotopes Forensics – When Isotopes Work

Flood Basalts Francis, 2013

Geology of Hot Spot Flood Basalts

Evolution of lithospheric mantle beneath the Tan-Lu fault ... · xenoliths entrained in the Cenozoic basalts of eastern China, show that these lherzolite xenoliths have an “oceanic”

Chemical compositions of martian basalts (shergottites

Were the Deccan Flood Basalts Derived in Part from Ancient ... · Deep mantle plumes supposedly incorporate deeply subducted eclogitized oceanic crust, and continental flood ... less

Geochemistry of Cenozoic basalts and mantle xenoliths in Northeast

Early Paleozoic crust–mantle interaction and lithosphere ...€¦ · Early Paleozoic granites Zircon U–Pb–Hf isotopes Assimilation fractional crystallization (AFC) process Delamination

(Author’s postprint) Enriched continental flood basalts ... · Continental flood basalts (CFBs) represent large-scale melting events in the Earth’s upper mantle and show considerable

First evidence of lamprophyric magmatism within the ......lamprophyres are similar to intra-plate alkali-basalts, derived from oceanic-island-basaltic-type highly metasoma tized mantle

Evolution of Osmium Isotopes in the Earth’s Mantle via ... · During partial melting in the mantle. Rhenium is moderately incompatible. Osmium is highly compatible. Oceanic crust

Geochemical characteristics and Sr–Nd–Hf isotope ...basalts, crustal xenoliths, and mineral separates from mantle xenoliths from the Assab area of the Afar Depres-sion document

The hypothesis suggests: 1.Precursory uplift and flood basalts from the lower mantle. 2.Time progressive volcanic chain. 3.Plume tail at the core mantle

Carbonatites, isotopes and evolution of the subcontinental ...cmscontent.nrs.gov.bc.ca/geoscience/...06_Rukhlov.pdf · Carbonatites, isotopes and evolution of the subcontinental mantle:

Mantle xenoliths and host basalts record the Paleo-Asian ... · nisms to introduce mantle heterogeneity (Hofmann, 1997; Herzberg, 2011). On the one hand, the melts/fluids released

Basalts Why study basalts? How are they classified? What are the significant differences chemical between terrestrial and extraterrestrial basalts? Summary

Understanding Cratonic Flood Basalts€¦ · Flood basalts occur in both continental and oceanic settings, where they are called continental flood basalts and oceanic plateaus, respectively