PREM Preliminary Reference Earth Model PREM P 3

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PREM (Preliminary Reference Earth Model)

PREM (Preliminary Reference Earth Model)

PREM (P, , ) 3

PREM (P, , ) 3

Upper Mantle Convection as a Possible Mechanism for Plate Tectonics Fig. 19. 8

Upper Mantle Convection as a Possible Mechanism for Plate Tectonics Fig. 19. 8

X-ray Radiography and Tomography at high pressure: Application of multianvil press APS BL-BMD 13

X-ray Radiography and Tomography at high pressure: Application of multianvil press APS BL-BMD 13 250 ton Radiography Micro-tomography PF BL 14 C (MAX-III) 700 ton SPring-8 BL 04 B 1 (SPEED-1500) 1500 ton

High Pressure Systems 1.  Large volume press: Kawai-type Multi-anvil apparatus (3000 t、1500 t, 1000

High Pressure Systems 1.  Large volume press: Kawai-type Multi-anvil apparatus (3000 t、1500 t, 1000 t、700 tプレス) Developed in Japan and now used world wide: Large sample volume: 1 cm 3 in 10 GPa 2.  Diamond anvil cell  Double sided laser heating Nd: YAG, YLF, and CO 2 laser for heating at high pressure. : combined with Raman spectroscopy, Xray diffraction

11/25 高温高圧実験の方法 BL 10 XU beamline, SPring-8 高圧装置 : Diamond anvil cell X-ray Laser ダイヤモンド

11/25 高温高圧実験の方法 BL 10 XU beamline, SPring-8 高圧装置 : Diamond anvil cell X-ray Laser ダイヤモンド サンプル(Fe-3. 4 wt% Si) ガスケット Re 圧力媒体 (Na. Cl) Culet size 35, 75, 100, 250, 300 μm 高温発生方法: ダイヤモンド Nd: YLF laser (λ=1. 056 μm, heating spot size: 20 μm) 出発物質 : Fe-3. 4 wt% Si (RAREMETALLIC CO. LTD. ) 圧力の測定: EOS of Na. Cl (B 1 -Na. Cl: Brown, 1999; B 2 -Na. Cl: Fei et al. , 2007) 温度測定: Spectrometric method using radiation

A diamond anvil compressed at 407 GPa and 300 K

A diamond anvil compressed at 407 GPa and 300 K