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Table of Contents - Special Paper 293:

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Large Meteorite Impacts and Planertary Evolution


The Large Impact Process Inferred from the Geology of Lunar Multiring Basins, P. D. Spudis

Coincidence in Time of the Imbrium Basin Impact and Apollo 15 KREEP Volcanic Flows: The Case for Impact-Induced Melting, G. Ryder

Evidence from Magellan for Unexpectedly Deep Complex Craters on Venus, V. L. Sharpton

Large Impact Craters and Basins on Venus, with Implications for Ring Mechanics on the Terrestrial Planets, J. S. Alexopoulos and W. B. McKinnon

The Effects of Differential Scaling of Impact Melt and Crater Dimensions on Lunar and Terrestrial Craters: Some Brief Examples, M. J. Cintala and R.A.F. Grieve

The Crisium Basin: Implications of an Oblique Impact for Basin Ring Formation and Cavity Collapse, R. W. Wichman and P. H. Schultz

Experimental Studies of Geochemical Aspects of Impact Cratering, O. I. Yakovlev and A. T. Basilevsky

Geomechanical Models of Impact Cratering: Puchezh-Katunki Structure, B. A. Ivanov

Hypervelocity Impact: Ejecta Velocity, Angle, and Composition, N. J. Evans, M. Shahinpoor, and T. J. Ahrens

Impact-Induced Melting of Planetary Surfaces, J. D. O'Keefe and T. J. Ahrens

A Late Devonian Extraterrestrial Impact and Extinction in Eastern Gondwana: Geochemical, Sedimentological, and Faunal Evidence, K. Wang, H.H.J. Geldsetzer, and B.D.E. Chatterton

The Conditions of Shock Metamorphism, V. I. Feldman

Tektite Origin by Hypervelocity Asteroidal or Cometary Impact. Target Rocks, Source Craters, and Mechanisms, C. Koeberl

Impactites from Popigai Crater, V. L. Masaitis

Pseudotachylites of the Beaverhead Impact Structure: Geochemical, Geochronological, Petrographic, and Field Investigations, P. S. Fiske, R. B. Hargraves, T. C. Onstott, C. Koeberl, and S. B. Hougen

Pseudotachylites of the Vredefort Dome and the Surrounding Witwatersrand Basin, South Africa, W. U. Reimold and W. P. Colliston

Breccia Veins and Dykes Associated with the Roter Kamm Crater, Namibia, J. J. Degenhardt, Jr., P. C. Buchanan, A. M. Reid, and R. McG. Miller

Acraman: A Major Impact Structure from the Neoproterozoic of Australia, G. E. Williams

Allochthonous Impact-Shocked Rocks and Superimposed Deformations at the Beaverhead Site in Southwest Montana, R. B. Hargraves, K. S. Kellogg, P. S. Fiske, and S. B. Hougen

Preliminary Results of the U.S. Geological Survey-Iowa Department of Natural Resources Geological Survey Bureau Manson Core Drilling Project, R. R. Anderson, J. B. Hartung, B. J. Witzke, E. M. Shoemaker, and D. J. Roddy

The Zhamanshin Impact Feature: A New Class of Complex Crater?, J. B. Garvin and C. C. Schnetzler

Al Umchaimin Depression, Western Iraq: An Impact Structure?, J. R. Underwood, Jr.

Origin of the Polymict, Allochthonous Breccias of the Onaping Formation, Sudbury Structure, Ontario, Canada, M. Avermann

Pseudotachylytic Rock Distribution and Genesis Within the Sudbury Impact Structure, L. M. Thompson and J. G. Spray

Isotope Systematics Support the Impact Origin of the Sudbury Structure (Ontario, Canada), A. Deutsch

The Formation of the Sudbury Structure, Canada: Toward a Unified Impact Model, D. Stöffler, A. Deutsch, M. Avermann, L. Bischoff, P. Brockmeyer, D. Buhl, R. Lakomy, and V. Müller-Mohr

Lineament Analysis of the Sudbury Multiring Impact Structure, H. R. Butler

Sudbury Igneous Complex: Impact Melt or Endogenous Magma? implications for Lunar Crustal Evolution, M. D. Norman

Index