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Sea-land oxygen isotopic relationships from planktonic foraminifera and speleothems in the Eastern Mediterranean region and their implication for paleorainfall during interglacial intervals
Post-collision, Shoshonitic Volcanism on the Tibetan Plateau: Implications for Convective Thinning of the Lithosphere and the Source of Ocean Island Basalts
Potassic volcanism has been widespread and semi-continuous on the Tibetan plateau since ~13 Ma, post-dating the orogenic thickening of the India—Asia collision. Volcanism may have commenced slightly…
Magmatic and Crustal Differentiation History of Granitic Rocks from Hf-O Isotopes in Zircon
The plutonic archive is unlocked through hafnium (Hf) and oxygen (O) isotope analysis of zoned zircon crystals from the classic hornblende-bearing (I-type) granites of eastern Australia.
A Change in the Geodynamics of Continental Growth 3 Billion Years Ago
Continental Growth Spurts The appearance and persistence of continents through geologic time has influenced most processes on Earth, from the evolution of new species to the climate. The relative…
Controls on trace element Sr-Mg compositions of carbonate cave waters: implications for speleothem climatic records
Episodic growth of the Gondwana supercontinent from hafnium and oxygen isotopes in zircon
The first study that integrates hafnium and oxygen isotopes, all measured in situ on the same, precisely dated detrital zircon grains reveals that crust generation in part of Gondwana was limited to major pulses at 1.9 and 3.3 Gyr ago, and that the zircons crystallized during repeated reworking of crust formed at these times.
Mantle and Slab Contributions in ARC Magmas
Destructive plate margins are major sites of terrestrial magmatism that have long had a key role in models for the generation of continental crust and the development of chemical heterogeneities in…
Chemical stratigraphy of the Paraná lavas (South America): classification of magma types and their spatial distribution
A new classification scheme has been developed to assign the lava flows of the Paraná continental flood basalt province (South America) into geochemically distinct magma types, with six basaltic…
Hadean crustal evolution revisited: New constraints from Pb-Hf isotope systematics of the Jack Hills zircons