American Mineralogist, 2002, V 87, N 11-12.


LETTER

1727 Crystal morphology of MV-1 magnetite Simon J. Clemett, Kathie L. Thomas-Keprta, Joel Shimmin, Mary Morphew, J. Richard McIntosh, Dennis A. Bazylinski, Joseph L. Kirschvink, Susan J. Wentworth, David S. McKay, Hojatollah Vali, Everett K. Gibson Jr., and Christopher S. Romanek
REYNOLDS' COMMEMORATIVE PAPERS

1517 Preface Remarks to the Reynolds' Commemorative Volume James Aronson and David Bish 1519 The chemical character of fluids forming diagenetic illite in the Southern Appalachian Basin W. Crawford Elliott, and John T. Haynes 1528 Interpretation of K-Ar dates of illitic clays from sedimentary rocks aided by modeling Jan Srodon, Norbert Clauer, and Dennis D.D. Eberl 1536 Illite polytype quantification for accurate K-Ar age determination Robert F. Ylagan, Charlie S. Kim, David R. Pevear, and Peter J. Vrolijk 1546 Characterization and modeling of illite crystal particles and growth mechanisms in a zoned hydrothermal deposit, Lake City, Colorado D.J. Bove, D.D. Eberl, D.K. McCarty, and G.P. Meeker 1557 Characterization of the Waukesha Illite: A mixed-polytype illite in the Clay Mineral Society repository Georg H. Grathoff and Duane M. Moore 1564 Exploring intra-crystalline B-isotope variations in mixed-layer illite-smectite Lynda B. Williams and Richard L. Hervig 1571 Characteristics of mixed-layer smectite/illite density separates during burial diagenesis Matthew W. Totten, Mark A. Hanan, Denise Knight, and Joniell Borges 1580 I-S precipitation in pore space as the cause of geopressuring in Mesozoic mudstones, Egersund Basin, Norwegian continental shelf Paul H. Nadeau, Donald R. Peacor, Jessie Yan, and Steve Hillier 1590 Structural and chemical heterogeneity of illite-smectites from Upper Jurassic mudstones of East Greenland related to volcanic and weathered parent rocks Victor A. Drits, Boris A. Sakharov, Lidia G. Dainyak, Alfred L. Salyn, and Holger Lindgreen 1607 Berthierine/chamosite, corrensite, and discrete chlorite from evolved verdine and evaporite-associated facies in the Jurassic Sundance Formation, Wyoming P.C. Ryan and S. Hillier 1616 Weathering of ilmenite from granite and chlorite schist in the Georgia Piedmont Paul A. Schroeder, John J. Le Golvan, and Michael F. Roden 1626 The effects of grinding on the structure of a low-defect kaolinite R. C. Reynolds, Jr. and D. L. Bish 1631 Structure of heavy-metal sorbed birnessite: Part 1. Results from X-ray diffraction Bruno Lanson, Victor A. Drits, Anne-Claire Gaillot, Ewen Silvester, Alain Planc,on, and Alain Manceau 1646 Structure of heavy-metal sorbed birnessite: Part 2. Results from electron diffraction Victor A. Drits, Bruno Lanson, Catherine Bougerol-Chaillout, Anatoli I. Gorshkov, and Alain Manceau 1662 Structure of synthetic Na-birnessite: Evidence for a triclinic one-layer unit cell Bruno Lanson, Victor A. Drits, Qi Feng, and Alain Manceau 1672 New modeling of X-ray diffraction by disordered lamellar structures, such as phyllosilicates Alain Planc,on
ARTICLES

1678 Identification of polytypic groups in hydrous phyllosilicates using electron back-scattering patterns Toshihiro Kogure 1686 Orientational order-disorder of N(D,H)4+ in tobelite Mainak Mookherjee, Simon A.T. Redfern, Ming Zhang, and Daniel E. Harlov 1692 XPS evidence for Fe and As oxidation states and electronic states in loellingite (FeAs2) R.A. Jones and H. Wayne Nesbitt 1699 Hydrothermal alteration of olivine in a flow-through autoclave: Nucleation and growth of serpentine phases Charles Normand, Anthony E. Williams-Jones, Robert F. Martin, and Hojatollah Vali 1710 The influence of bulk composition on the diffusivity of carbon dioxide in Na aluminosilicate melts Melanie Sierralta, Marcus Nowak, and Hans Keppler 1717 A combined rapid-quench and H2-membrane setup for internally heated pressure vessels: Description and application for water solubility in basaltic melts Jasper Berndt, Christian Liebske, Franc,ois Holtz, Marcus Freise, Marcus Nowak, Dieter Ziegenbein, Willi Hurkuck, and Ju"rgen Koepke 1731 NEW MINERAL NAMES John L. Jambor, and Andrew C. Roberts 1736 BOOK REVIEWS The Cambridge Encyclopedia of Meteorites. O. Richard Norton. Cambridge university Press. 2002, 354 p. Harry Y. McSween Jr. Meteorites: A Journey Through Space and Time. Alex Bevan and John De Laeter. Smithsonian Institute Press, 2002. 215 p. Harry Y. McSween Jr. Natural Zeolites: Occurrence, Properties, Applications. David L. bish and Douglas W. Ming, Editors, Reviews in Mineralogy and Geochemistry, 2001, Vol. 45, 662 p. Philip S. Neuhoff Fourth Hutton Symposium on the Origin of Granites and Related Rocks, edited by Bernard Barbarin, william Edryd Stephens, Bernard Bonin, Jean-Luc Bouchez, David Barrie Clarke, Michel Cuney, and Herve' Martin, GSA Special Paper 350, 2001, 321 p. Calvin F. Miller 1740 ERRATUM Crystal chemistry of Cr3+-V3+-rich clinopyroxenes by L. Secco, F. Martignago, A. Dal Negro, L.Z. Reznitskii, and E.V. Sklyarov (vol. 87, p. 709-714, 2002) 1741 AUTHOR INDEX 1750 SUBJECT INDEX