Journal of Petrology, 20001, V 42, N 1, January.

EDITORIAL:

Editorial 2001
Pp. 1. 

M. A. MENZIES, R. VANNUCCI, J. L. BODINIER, F. A. FREY, N. SHIMIZU, P. B.
KELEMEN, E. RAMPONE, G. RIVALENTI, and A. W. HOFFMAN
Orogenic Lherzolites and Mantle Processes: Editorial
Pp. 3-4. 

ARTICLES:


 ARJAN H. DIJKSTRA, MARTYN R. DRURY, and REINOUD L. M. VISSERS
Structural Petrology of Plagioclase Peridotites in the West Othris
Mountains (Greece): Melt Impregnation in Mantle Lithosphere
Pp. 5-24.  

 A. E. SAAL, E. TAKAZAWA, F. A. FREY, N. SHIMIZU, and S. R. HART
Re-Os Isotopes in the Horoman Peridotite: Evidence for
Refertilization?
Pp. 25-37.  

 NATSUKO TAKAHASHI
Origin of Plagioclase Lherzolite from the Nikanbetsu Peridotite
Complex, Hokkaido, Northern Japan: Implications for Incipient Melt
Migration and Segregation in the Partially Molten Upper Mantle
Pp. 39-54.  

 MARCO SCAMBELLURI, ELISABETTA RAMPONE, and GIOVANNI B. PICCARDO
Fluid and Element Cycling in Subducted Serpentinite: a Trace-Element
Study of the Erro-Tobbio High-Pressure Ultramafites (Western Alps, NW
Italy)
Pp. 55-67.  

 ANGELA LAURORA, MAURIZIO MAZZUCCHELLI, GIORGIO RIVALENTI, RICCARDO
VANNUCCI, ALBERTO ZANETTI, MARIA ADELAIDE BARBIERI, and CARLOS A. CINGOLANI
Metasomatism and Melting in Carbonated Peridotite Xenoliths from the
Mantle Wedge: The Gobernador Gregores Case (Southern Patagonia)
Pp. 69-87.

 G. GRIECO, A. FERRARIO, A. VON QUADT, V. KOEPPEL, and E. A. MATHEZ
The Zircon-Bearing Chromitites of the Phlogopite Peridotite of Finero
(Ivrea Zone, Southern Alps): Evidence and Geochronology of a
Metasomatized Mantle Slab
Pp. 89-101.  

 P. NIMIS and V. TROMMSDORFF
Revised Thermobarometry of Alpe Arami and other Garnet Peridotites
from the Central Alps
Pp. 103-115.  

 H. L. M. VAN ROERMUND, M. R. DRURY, A. BARNHOORN, and A. DE RONDE
Relict Majoritic Garnet Microstructures from Ultra-Deep Orogenic
Peridotites in Western Norway
Pp. 117-130.  

 M. R. DRURY, H. L. M. VAN ROERMUND, D. A. CARSWELL, J. H. DE SMET, A. P.
VAN DEN BERG, and N. J. VLAAR
Emplacement of Deep Upper-Mantle Rocks into Cratonic Lithosphere by
Convection and Diapiric Upwelling
Pp. 131-140.  

 XAVIER LENOIR, CARLOS J. GARRIDO, JEAN-LOUIS BODINIER, JEAN-MARIE DAUTRIA,
and FERNANDO GERVILLA
The Recrystallization Front of the Ronda Peridotite: Evidence for
Melting and Thermal Erosion of Subcontinental Lithospheric Mantle
beneath the Alboran Basin
Pp. 141-158.  

 G. R. DAVIES, A. J. SPRIGGS, and P. H. NIXON
A Non-cognate Origin for the Gibeon Kimberlite Megacryst Suite,
Namibia: Implications for the Origin of Namibian Kimberlites
Pp. 159-172.  

 L. BECCALUVA, C. BONADIMAN, M. COLTORTI, L. SALVINI, and F. SIENA
Depletion Events, Nature of Metasomatizing Agent and Timing of
Enrichment Processes in Lithospheric Mantle Xenoliths from the Veneto
Volcanic Province
Pp. 173-188.  

 JÖRG HERMANN, OTHMAR MÜNTENER, and DETLEF GÜNTHER
Differentiation of Mafic Magma in a Continental Crust-to-Mantle
Transition Zone
Pp. 189-206.  

 E. RAMPONE and L. MORTEN
Records of Crustal Metasomatism in the Garnet Peridotites of the Ulten
Zone (Upper Austroalpine, Eastern Alps)
Pp. 207-219.  

 M. TIEPOLO, P. BOTTAZZI, S. F. FOLEY, R. OBERTI, R. VANNUCCI, and A.
ZANETTI
Fractionation of Nb and Ta from Zr and Hf at Mantle Depths: the Role
of Titanian Pargasite and Kaersutite
Pp. 221-232.  

 H. DOWNES
Formation and Modification of the Shallow Sub-continental Lithospheric
Mantle: a Review of Geochemical Evidence from Ultramafic Xenolith
Suites and Tectonically Emplaced Ultramafic Massifs of Western and
Central Europe
Pp. 233-250.