Volume 15, Number 3 (1988)

Table of Contents

Articles

Diagenesis #13. Origin of chert: Diagenesis of biogenic siliceous sediments
Reinhard Hesse
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Frederick W. Harrison
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PALEOSCENE #10. Paleoecology: paleoecosystems, paleocommunities
Paul Copper
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The Wit to Distinguish or the Role of Physics in Geology
G. V. Middleton
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Conference Reports / Compte rendus de réunions

Tectonothermal Evolution of the West African Orogens and Circum-Atlantic Terrane Linkages
J. Duncan Keppie
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Central Canada Geological Conference
Gerard V. Middleton
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V.M. Goldschmidt Conference
R. M. Easton
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Society for the Preservation of Natural History Collections
Janet Waddington
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Features / Rubriques

Pyroclasts: Getting Down to Earth: A Challenge to Geoscientists
Bonnie Blackwell
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Randall F. Miller, Diane N. Buhay
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Book Reviews / Critiques

Book Reviews / Critiques
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Comments and Reply

"On Orogeny and Epeirogeny in the Study of Phanerozoic and Archean Rocks": The Concept of Epeirogeny is Re-emphasized
Gerald M. Friedman
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Letters / Lettres

Letters to the Editor
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Secretary's Report / Rapport du Secretaire

Secretary-Treasurer's Report: May 1987 — May 1988
R. Frank Blackwood
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