2 years ago

K. Tokar

K. Tokar


INTRODUCTION METHODS RESULTS DISCUSSION CONCLUSIONStructure of Earth interior ­ overviewZone of interestContinental crust:Oceanic crust:Upper mantle:Transition zone:Lower mantle:depth0­75 km0­10 km10­400 km400­650 km650­2 890 kmD" layer: 2 700­2 890 kmOuter core:Inner core:2 890­5 150 km5 150­6 370 km2

INTRODUCTION METHODS RESULTS DISCUSSION CONCLUSIONStructure of Earth's Transition Zone – simplified descriptionDepth100 km(Mg, Fe) 2SiO 4­phase:3 GPa, 1100 °C­forsterites/fayalites ­ lattice: orthorhombic410 kmphase transformation → 13 GPa, 1400 °C­wadsleyite:­ lattice: orthorhombicTransition zone520 kmphase transformation → ­ringwoodite: ­ lattice: cubic20 GPaII­(wadsleyite II ??)660 kmphase transformation dissociation23 GPa, 1600 °CMgO­periclase + MgSiO 3­perovskite(Lower Mantle)3

Slide Presentation in PDF (226 K) - InvestQuest
2005 Annual Report on Form 10-K (pdf) - SNL Financial
Citizen's Guide to K-12 Finance - Washington State Legislature
Key Methods in Reducing Pad Crack Risk at Probing Low-k Wafers
The Agilent 5977A Series GC/MSD - K'(Prime) Technologies
Subgroup meeting - Introduction of thermal transport
S k ills T ra in in g R equ ire men ts fo r R esea
Appendix K