W ater in microdiamonds from s ubduction zone
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W ater in Microdiamonds from S ubduction Zone: Evidence from Synchrontron -A ssisted Infrared Spectroscopy. Larissa F. Dobrzhinetskaya 1 , Zhenxian Liu 2 , Junfeng Zhang 1 and Harry W. Green II 1 1Dept. of Earth Sciences, University of California, Riverside, CA 92521 USA

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W ater in Microdiamonds from S ubduction Zone:

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W ater in microdiamonds from s ubduction zone

Water in Microdiamonds from Subduction Zone:

Evidence from Synchrontron-AssistedInfrared Spectroscopy

Larissa F. Dobrzhinetskaya1, Zhenxian Liu2, Junfeng Zhang1 and Harry W. Green II1

1Dept. of Earth Sciences, University of California, Riverside, CA 92521 USA

2Geophysical Laboratory, Carnegie Institution of Washington, Washington D.C., USA

H2O

CO3

Absorbance

N

OH stretching

C-H

Wavenumber (cm-1)

Microdiamonds

2007 Annual Meeting of COMPRES


W ater in microdiamonds from s ubduction zone

Dia

10 m

Diamond Nucleation from Amorphous Carbon and Graphite with COH Fluids: an in Situ High Pressure and Temperature Laser-Heated Diamond Anvil Cell Experimental Study

Junfeng Zhang1, Vitali Prakapenka2, Atsushi Kubo2, Abby Kavner3,

Harry W. Green1, Larissa F. Dobrzhinetskaya1

1Dept. of Earth Sciences, University of California, Riverside, CA 92521 USA

2GSECARS, Argonne National Laboratory, Chicago, IL, 60439 USA

3Dept. of Earth and Space Sciences/IGPP, University of California, Los Angeles, CA 90095 USA

9-11 GPa, 1300-1700 C

Laser beam

NaCl

NaCl

Gra

Gasket

NaCl

C

Intensity

Gra

NaCl

Dia

Gra

2 

2007 Annual Meeting of COMPRES


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