Geocarb II: A revised model of atmospheric CO₂ over Phanerozoic time
Robert A. Berner

Apatite in felsic rocks: a model for the estimation of initial halogen concentrations in the Bishop Tuff (Long Valley) and tuolumne intrusive suite (Sierra Nevada batholith) magmas
Philip Piccoli and Philip Candela

Igneous petrogenesis and tectonic setting of the Elkahatchee Quartz Diorite, Alabama Appalachians: implications for Penobscotian magmatism in the eastern Blue Ridge
Mark S. Drummond, David T. Allison, and David J. Wesolowski

Basin-rebound origin for the "Tuscarora unconformity" in southwestern Virginia and its bearing on the nature of the Taconic orogeny
Joachim Dorsch, Richard K. Bambach, and Steven G. Driese

Convective removal of lithosphere beneath mountain belts: thermal and mechanical consequences
J. P. Platt and P. C. England

Phase diagram topology and the intrinsic stability rule
James H. Stout and Qiti Guo

Origins of calcite in a boiling geothermal system
Stuart F. Simmons and Bruce W. Christenson

⁴⁰Ar/³⁹Ar constraints on chronology of Augusta fault zone movement and Late Alleghanian extension, southern Appalachian Piedmont, South Carolina and Georgia
H. D. Maher, Jr., R. D. Dallmeyer, D. T. Secor, Jr., and P. E. Sacks

A chemical and thermodynamic model of aluminous dioctahedral 2:1 layer clay minerals in diagenetic processes: regular solution representation of interlayer dehydration in smectite
Barbara Ransom and Harold C. Helgeson

Magnetization and geochemistry of greigite-bearing Cretaceous strata, North Slope Basin, Alaska
Richard L. Reynolds, Michele L. Tuttle, Cynthia A. Rice, Neil S. Fishman, John A. Karachewski, and David M. Sherman

Experimental reversal of the aluminum content in tremolitic amphiboles in the system H₂O-CaO-MgO-Al₂O₃-SiO₂
David M. Jenkins

Stable oxygen and carbon isotopes of pedogenic carbonate as indicators of Plio-Pleistocene paleoclimate in the southern Rio Grande Rift, south-central New Mexico
Greg H. Mack, David R. Cole, W. Calvin James, Thomas H. Giordano, and Stephen L. Salyards

The chemistry and tectonic setting of Ordovician volcanic rocks in northern Maine and their relationship to contemporary volcanic rocks in northern New Brunswick
J. A. Winchester and C. R. van Staal

Nonlinear dynamical aspects of deep basin hydrology: fluid compartment formation and episodic fluid release
T. Dewers and P. Ortoleva

T Comment:Genesis of stratabound ore deposits in the midcontinent basins of North America. 1. The role of regional groundwater flow
C. W. Clendenin

Reply:Genesis of stratabound ore deposits in the midcontinent basins of North America. 1. The role of regional groundwater flow
Grant Garven

Kinematics of basement-involved compressive structures
Wayne Narr and John Suppe

Late-stage Alleghanian wrenching of the southwestern Narragansett Basin, Rhode Island
J. P. Mahler Cogswell and S. Mosher

Mass transfer during Barrovian metamorphism of pelites, south-central Connecticut. I: Evidence for changes in composition and volume
Jay J. Ague

Are stable isotopic trends in amphibolite to granulite facies transitions metamorphic or diagenetic?-An answer for the Arendal area (Bamble Sector, southeastern Norway) from mid-Proterozoic carbon-bearing rocks
Maarten A. T. M. Broekmans, Timo G. Nijland, and J. Ben H. Jansen

Caledonian terrane assembly on Svalbard: new evidence from ⁴⁰Ar/³⁹Ar dating in Ny Friesland
David G. Gee and Laurence M. Page

CaO + MgO + Al₂O₃ + SiO₂ + H₂O to 35 KB: amphibole, talc, and zoisite dehydration and melting reactions in the silica-excess part of the system and their possible significance in subduction zones, amphibolite melting, and magma fractionation
Alan Bruce Thompson and David J. Ellis