COMPRES FOCUSED ION BEAM WORKSHOPMarch 27/28, 2004

Riverside, CA

Harry W. Green, II

Institute of Geophysics and Planetary Physics

Department of Earth Sciences

Riverside, CA 92506

FEI Dual-FEI Dual-BeamBeamFIBFIB

TEM Foil Preparation of Microdiamond TEM Foil Preparation of Microdiamond included in Zirconincluded in Zircon

TEM Foil Preparation of Microdiamond TEM Foil Preparation of Microdiamond included in Zirconincluded in Zircon

Preparation of TEM Foil by FIB from Preparation of TEM Foil by FIB from Multianvil SpecimenMultianvil Specimen

Pyrolite composition Pyrolite composition equilibrated at 14 equilibrated at 14 GPa, 1400˚C and GPa, 1400˚C and

then reannealed at 13 then reannealed at 13 GPa.GPa.

Pyrolite Pyrolite composition composition equilibrated equilibrated at 14 GPa, at 14 GPa, 1400˚C and 1400˚C and

then then reannealed reannealed at 13 GPa.at 13 GPa.

WadsleyiteWadsleyite

Majoritic GarnetMajoritic Garnet

Dobrzhinetskaya et al. (unpublished)Dobrzhinetskaya et al. (unpublished)

Donghai, ChinaDonghai, China

Grt

1.5mm

DiDi

DiDiDiDi

DiDi

Intergrown Garnet & Intergrown Garnet & Diopside in Mantle Diopside in Mantle

PeridotitePeridotite

Grt

Grt

Grt

Grt

Exsolution in Diopside

Grt

Grt

DiopsideDiopside

DiopDiop

Bridge

Exsolution Exsolution lamellaelamellae

Size and Distribution of Lamellae

Foil Prepared by FIB

Diopside HostDiopside HostLamellaLamella

PtPt

Expansion cracks induced by Expansion cracks induced by polishing solutionpolishing solution

Lamella showing analysis spots

DiopsideDiopside

Lamella Topotaxy

DiopsideDiopside

MicaMica (100)di // (001)mica

Summer Solstice Eve in the Summer Solstice Eve in the Western Norway UHPM TerraneWestern Norway UHPM Terrane