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Vol. 84, No. 1-2 An International Journal of Earth and Planetary Materials

January-February 1999
 
     
 

LETTERS

Akihiko Nakatsuka, Akira Yoshiasa, Takamitsu Yamanaka, and Eiji Ito
Structure refinement of birefringent Cr-bearing majorite Mg3(Mg0.34Si0.34Al0.18Cr0.14)2Si3O12   199
Abstract
Full Text (2.5 MB)

Yingwei Fei, Daniel J. Frost, Ho-Kwang Mao, Charles T. Prewitt, and Daniel Häusermann
In situ structure determination of the high-pressure phase of Fe3O4 203
Abstract
Full Text (2.7 MB)

Christian Chateau, Julian Haines, Jean-Michel Léger, André LeSauze, and Roger Marchand
A moganite-type phase in the silica analog phosphorus oxynitride 207
Abstract
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ARTICLES

Roger Powell and Tim Holland
Relating formulations of the thermodynamics of mineral solid solutions: Activity modeling of pyroxenes, amphiboles, and micas 1
Abstract
Full Text (192K)

A.A. Graphchikov, A.N. Konilov, and J.D. Clemens
Biotite dehydration, partial melting, and fluid composition: Experiments in the system KAlO2-FeO-MgO-SiO2-H2O-CO2 15
Abstract
Full Text (148K)

F. Holtz, J. Roux, S. Ohlhorst, H. Behrens, and F. Schulze
The effects of silica and water on the viscosity of hydrous quartzofeldspathic melts 27
Abstract
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Gregor Markl and Sandra Piazolo
Stability of high-Al titanite from low-pressure calcsilicates in light of fluid and host-rock composition 37
Abstract
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Mark J. Davis and Phillip D. Ihinger
New controlled rapid quench technique in a 1 atm infrared image furnace 48
Abstract
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Alfonso Pesquera, Jose Torres-Ruiz, Pedro P. Gil-Crespo, and Nicolas Velilla
Chemistry and genetic implications of tourmaline and Li-F-Cs micas from the Valdeflores area (Cáceres, Spain) 55
Abstract
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Michel Fialin, Hubert Rémy, Claudine Richard, and Christiane Wagner
Trace element analysis with the electron microprobe: New data and perspectives 70
Abstract
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Vladimir N. Sobolev, Catherine A. McCammon, Lawrence A. Taylor, Gregory A. Snyder, and Nikolai V. Sobolev
Precise Mössbauer milliprobe determination of ferric iron in rock-forming minerals and limitations of electron microprobe analysis 78
Abstract
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Jean-Louis Robert, Giancarlo Della Ventura, and Frank C. Hawthorne
Near-infrared study of short-range disorder of OH and F in monoclinic amphiboles 86
Abstract
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Thomas Armbruster
Si,Al ordering in the double-ring silicate armenite, BaCa2Al6Si9O30•2H2O: A single-crystal X-ray and 29Si MAS NMR study 92
Abstract
Full Text (332K)

 
 
 

(Contents continued on outside back cover)


AMMIAY 84(1-2)1-212 ISSN 0003-004X

 
 

(Contents continued from front cover)

 
 
 

Roberta Oberti, Frank C. Hawthorne, Fernando Camara, and Mati Raudsepp
Unusual M3+ cations in synthetic amphiboles with nominal fluro-eckermannite composition: Deviations from stoichiometry and structural effects of the cummingtonite component 102
Abstract
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Deposit items

Giuseppe Cruciani and Alessandro Gualtieri
Dehydration dynamics of analcime by in situ synchrotron powder diffraction 112
Abstract
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Deposit items

Piera Benna, Mario Tribaudino, and Emiliano Bruno
High temperature in situ structural investigation on lead feldspar 120
Abstract
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Deposit items

Hexiong Yang and Robert M. Hazen
Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with different ordering states 130
Abstract
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Duncan J. Harris, Graeme W. Watson, and Stephen C. Parker
Computer simulation of pressure-induced structural transitions in MgO [001] tilt grain boundaries 138
Abstract
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Guntram Jordan, Steven R. Higgins, and Carrick M. Eggleston
Dissolution of the periclase (001) surface: A scanning force microscope study 144
Abstract
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R. Lee Penn, Jillian F. Banfield, and Derrill M. Kerrick
TEM investigation of Lewiston, Idaho, fibrolite: Microstructure and grain boundary energetics 152
Abstract
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David Schmidt and Kenneth J.T. Livi
HRTEM and SAED investigations of polytypism, stacking disorder, crystal growth, and vacancies in chlorites from subgreenschist facies outcrops 160
Abstract
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Junji Akai, Kurumi Akai, Makato Ito, Satoshi Nakano, Yonosuke Maki, and Ichiro Sasagawa
Biologically induced iron-ore at Gunma iron mine, Japan 171
Abstract
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Barbara Ransom, Richard H. Bennett, Roy Baerwald, Matthew H. Hulbert, and Patti-Jo Burkett
In situ conditions and interactions between microbes and minerals in fine-grained marine sediments: A TEM microfabric perspective 183
Abstract
Full Text (312K)

NEW MINERAL NAMES   193

John L. Jambor and Andrew C. Roberts
Full Text (84K)

BOOK REVIEWS   211

ERRATUM   212

 

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