Nanometer-Size α-PbO <sub>2</sub> -Type TiO <sub>2</sub> in Garnet: A Thermobarometer for Ultrahigh-Pressure Metamorphism

Hwang, Shyh‐Lung; Shen, Pouyan; Chu, Hao‐Tsu; Yui, Tzen‐Fu

doi:10.1126/science.288.5464.321

Public

Nanometer-Size α-PbO 2 -Type TiO 2 in Garnet: A Thermobarometer for Ultrahigh-Pressure Metamorphism

Published in Science • Apr 14, 2000

Authors:

Shyh‐Lung Hwang

Pouyan Shen

Hao‐Tsu Chu

Abstract

A high-pressure phase of titanium dioxide (TiO(2)) with an alpha-PbO(2)-type structure has been identified in garnet of diamondiferous quartzofeldspathic rocks from the Saxonian Erzgebirge, Germany. Analytical electron microscopy indicates that this alpha-PbO(2)-type TiO(2) occurred as an epitaxial ...

Subject

Rutile

Mineralogy

Materials science

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