American Mineralogist, 2005, V 90, N 5-6, May-June.

      
 LETTERS

1008 
Stability of the MgCO3 structures underlower mantle conditions 
Natalia V. Skorodumova, Anatoly B. Belonoshko, 
Lunmei Huang, Rajeev Ahuja, and Borje Johansson 

1012 
The 10 A phase: Crystal structure from single-crystal X-ray data 
P. Comodi, P. Fumagalli, S. Nazzareni, and P.F. Zanazzi 

1017 
Unquenchable hexagonal perovskite in high-pressure
polymorphs of strontium silicates 
Hitoshi Yusa, Masaki Akaogi, Nagayoshi Sata, 
Hiroshi Kojitani, Yoshito Kato, and Yasuo Ohishi 


PRESIDENTIAL ADDRESS

 
918 
A mineralogical and geochemical record of 
atmospheric photochemistry 
Douglas Rumble 


ERNSTFEST PAPERS

 
777 
An Ernstfest Festschrift: Mineralogy and 
petrology of high P/T terranes, P-T-ometry, 
and experimental phase relations 
Sorena S. Sorensen and William Carlson 

779 
Factors in the preservation of coesite: 
The importance of fluid infiltration 
Jed L. Mosenfelder, Hans-Peter Schertl, 
Joseph R. Smyth, and Juhn G. Liou 

790 
U-Pb SHRIMP ages recorded in the coesite-bearing
zircon domains of paragneisses in the southwestern
Sulu terrane, eastern China: New interpretation 
Fulai Liu, Juhn G. Liou, and Zhiqin Xu 

801 
Petrogenesis of the Yangkou layered garnet-peridotite
complex, Sulu UHP terrane, China 
Ru Y. Zhang, Juhn G. Liou, Jian-Ping Zheng, 
William L. Griffin, Tzen-Fu Yui, and Suzanne Y. O'Reilly 

814 
Sodic amphibole exsolutions in garnet from 
garnet-peridotite, North Qaidam UHPM belt, NW China: 
Implications for ultradeep-origin and hydroxyl 
defects in mantle garnets 
Shuguang Song, Lifei Zhang, Jing Chen, Juhn G. Liou, 
and Yaoling Niu 

821 
Blueschists, eclogites, and decompression assemblages
of the Zermatt-Saas ophiolite: High-pressure metamorphism
of subducted Tethys lithosphere 
Kurt Bucher, Yvonne Fazis, Christian de Capitani, 
and Rodney Grapes 

836 
Coexisting retrograde jadeite and omphacite in 
a jadeite-bearing lawsonite eclogite from the Motagua 
Fault Zone, Guatemala 
Tatsuki Tsujimori, Juhn G. Liou, and Robert G. Coleman 

843 Calibrations of modal space for metamorphism
of mafic schist 
Alan Bruce Thompson and Jo laird 

857 
Oxygen isotope geochemistry of rocks from the 
Pre-Pilot Hole of the Chinese Continental 
Scientific Drilling Project (CCSD-PPH1) 
Ze M. Zhang, D. Rumble, J. G. Liou, Yi L. Xiao, 
and Yong J. Gao 

864 
Subducted carbonates, metasomatism of mantle wedges, 
and possible connections to diamond formation: 
An example from California 
Mihai N. Ducea, Jason Saleeby, Jean Morrison, 
and Victor Valencia 
        
871 
Hawaiian mantle xenoliths and magmas: Composition 
and thermal character of the lithosphere 
Gautam Sen, Shantanu Keshav, and Michael Bizimis 

888 
Trace-element distribution coefficients for 
pyroxenes, plagioclase, and olivine in evolved 
tholeiites from the 1955 eruption of Kilauea 
Volcano, Hawai'i, and petrogenesis of 
differentiated rift-zone lavas 
Marc Norman, Michael O. Garcia, and Aaron J. Pietruszka 

900 
Cation ordering in synthetic low-calcium actinolite 
James Driscall, David M. Jenkins, M. Darby Dyar, 
and Krassimir N. Bozhilov 

912 
Acquisition and evaluation of thermodynamic 
data for bieberite-moorhouseite equilibria at 0.1 MPa 
I-Ming Chou and Robert R. Seal II 

ARTICLES

 
931 
Synthesis and characterization of saponite clays 
R.J.M.J. Vogels, J.T. Kloprogge, and J.W. Geus 

945 
Synthesis and characterization of saponite clays: 
Part 2. Thermal stability 
R.J.M.J. Vogels, J.T. Kloprogge, J.W. Geus, 
and A.W.F. Beers 

954 
Estimates of Ar diffusion and solubility in 
leucite and nepheline: Electron microprobe imaging
of Ar distribution in a mineral 
Jo-Anne Wartho, Simon P. Kelley, and Stephen C. Elphick 

963 
Growth and dissolution kinetics at the dolomite-water
interface: An in-situ scanning probe microscopy study 
Xiaoming Hu, David A. Grossie, and Steven R. Higgins 

969 
Crystal chemistry of Zn-rich rhodonite ("fowlerite") 
Wendy R. Nelson and Dana T. Griffen 

984 
The origin of the green color of variscite 
Georges Calas, Laurence Galoisy, and Amonmat Kiratisin 

991 HRTEM evidence for 8-reversals in the 
m = 17 antigorite polysome 
Giancarlo Capitani and Marcello Mellini 

1000 
Origin of high-Ag fahlores from the Galena Mine, 
Wallace, Idaho, U.S.A. 
Richard O. Sack, Rob Fredericks, Lisa S. Hardy,
and Denton S. Ebel 


PRESENTATION OF AWARDS FOR 2004

 
1021 
Presentation of the Mineralogical Society of 
America Roebling medal for 2004 to Frances R. "Joe" Boyd 
Stephen E. Haggerty 

1023 
Acceptance of the Roebling Medal of the Mineralogical
Society of America for 2004 
Marguerite "Margo" Kingston 

1025 
Presentation of the Mineralogical Society of 
America Award for 2004 to Kevin M. Rosso 
Michael F. Hochella Jr. 

1026 
Acceptance of the Mineralogical Society 
of America Award for 2004 
Kevin M. Rosso 

1027 
Presentation of the Mineralogical Society 
America Distinguished Public Service 
Medal for Robert F. Martin 
John M. Hughes 

1028 
Acceptance of the Distinguished Public 
Service Medal for 2004 
Robert F. Martin 

1031 
Presentation of the Mineralogical 
Society of America Dana Medal for 2004 
to R. James Kirkpatrick 
Craig M. Bethke 

1032 
Acceptance of the Dana Medal of the 
Mineralogical Society of America for 2004 
R. James Kirkpatrick