American Mineralogist
REGULAR ARTICLE
0 Preface
549 Temperatures in the mantle as inferred from simple compositional models
560 Estimation of thermal diffusivity from field observations of temperature as a function of time and depth
569 Thermal regimes in cratered terrain with emphasis on the role of impact melt
578 Pressure dependence of the enstatite limb of the enstatite-diopside solvus
582 Alumina content of enstatite as a geobarometer for plagioclase and spinel lherzolites
589 Garnet pyroxene equilibria in the system CaSiO3- MgSiO3-Al2O3 and in a natural mineral mixture
599 Mixing properties of tschermakitic clinopyroxenes
603 Single-pyroxene geothermometry and geobarometry
616 Subsolidus equilibria between pyroxenes in the CaO-MgO-SiO2 system at high pressures and temperatures
626 Clinopyroxene geothermometry of spinel-lherzolites
638 On the validity of paleogeotherms determined from xenolith suites in basalts and kimberlites
643 Two-pyroxene geothermometer: a model with an approximate solution
653 Applicability of electrochemical oxygen fugacity measurements to geothermometry
661 Application of the sphalerite geobarometer to regionally metamorphosed terrains
671 Intracrystalline Fe2+-Mg equilibria in three natural Ca-rich clinopyroxenes
677 Experimental determination of some geochemical parameters relating to conditions of equilibration of peridotite in the upper mantle
684 Petrologic data from experimental studies on crystallized silicate melt and other inclusions in lunar and Hawaiian olivine
691 Petrogenetic grid for siliceous dolomites extended to mantle peridotite compositions and to conditions for magma generation
699 Margarite stability and compatibility relations in the system CaO-Al2O3-SiO2-H2O as a pressure-temperature indicator
710 Plagioclase-garnet-Al2SiO5-quartz: a potential geobarometer-geothermometer
715 Geological problems in estimating mantle geothermal gradients
725 Pressures and temperatures calculated from chromium-rich pyroxene compositions of megacrysts and peridotite xenoliths, Black Rock Summit, Nevada
732 Limits to the assemblage forsterite-anorthite as inferred from peridotite hornfelses, Icicle Creek, Washington
751 Geothermometry and geobarometry in epizonal granitic intrusions: a comparison of iron-titanium oxides and coexisting feldspars
762 Garnet composition and zoning in the determination of temperature and pressure of metamorphism, central Massachusetts
776 High-temperature contact metamorphism of carbonate rocks in a shallow crustal environment, Christmas Mountain, Big Bend region, Texas
782 Iron-nickel partition in metamorphosed olivine-sulfide assemblages from Perseverance, Western Australia
788 Geophysical constraints on radial and lateral temperature variations in the upper mantle
804 The solubility of Al2O3 in orthopyroxenes in spinel and plagioclase peridotites and spinel pyroxenite
NOTES
822 NOTICES
BOOK REVIEW
817 BOOK REVIEWS
ERRATA
823 ERRATA
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Table of Contents
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American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.