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The Secret Keepers of Earth's History: Zircons Reveal Billion-Year Geological Mysteries

The Secret Keepers of Earth's History: Zircons Reveal Billion-Year Geological Mysteries
scitechdaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scitechdaily.com Daily Mail and Mail on Sunday newspapers.

Robertof Weinberg , Rui Wang , Roberto Weinberg , Williamj Collins , Bob Loucks , Petera Cawood , Science China Press , China University Of Geosciences , William Collins Curtin University , Peter Cawood Monash University , Shao Chen Wu Institute Of Earth Sciences , Science China , Zircons Reveal , Oxidation State , Crustal Magmatism , Supercontinent Cycle , Earth Sciences , China University , Peter Cawood , Monash University , William Collins , Curtin University , Age Histogram , Redox Variations With , Supercontinent Amalgamation , Western Australia ,

Zircons Uncover Oxidation Fluctuations in Supercontinent Cycle

Zircons Uncover Oxidation Fluctuations in Supercontinent Cycle
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Bob Loucks , Roberto Weinberg , Rui Wang , Peter Cawood Monash University , Shao Chen Wu Institute Of Earth Sciences , William Collins Curtin University , China University Of Geosciences , Earth Sciences , China University , Peter Cawood , Monash University , William Collins , Curtin University , Western Australia ,

New GSA Bulletin articles published ahead of print in March

Jian Xu; Xiao-Ping Xia; Qiang Wang; Christopher J. Spencer; Bin He .
Abstract:
The mechanisms and processes by which subducted slab interacted with mantle
plume remain controversial, as direct observation of such interaction is
difficult to impossible. Compositional heterogeneity of large igneous
provinces (LIPs) additionally makes plume-slab interaction hard to detect.
Oxygen isotopes are sensitive enough to trace the source of magmas. Here we
provide evidence for plume-slab interaction mainly based on in situ zircon
Hf-O isotope analyses, as well as whole-rock elemental and Sr-Nd-Hf isotope
analyses, on the Late Permian and Early Triassic A-type granites on the
margin of the Emeishan LIP in SW China. These granites show typical A-type ....

Laji Shan , United States , Wassuk Range , Meng Cheng , South China Sea , Brunei General , Missouri Valley , Kai Wang , Feng Wang , Yang Chu , Malta Bend , Yang Wang , Yang Gao , Jammu And Kashmir , Cheng Shi , Nei Mongol , Sheng Wang , Tibetan Plateau , China General , South Dakota , United Kingdom , Qilian Shan , Cerro Bola , Ma Jie , Olympic Mountains , Chen Wu ,