Corps de l’article

Editor/Rédacteur en chef

Brendan Murphy Department of Earth Sciences St. Francis Xavier University Antigonish, NS B2G 2W5 E-mail:

Managing Editor/directrice de rédaction

Cindy Murphy E-mail:

Publications Director/Directrice de publications Karen Dawe Geological Association of Canada St. John’s NL Canada A1B 3X5 Tel: (709) 864-2151 E-mail:

Copy Editors/Rédacteurs copie

Roger Macqueen Rob Raeside Paul Robinson Reginald Wilson

Associate Editors/Rédacteurs associés

Sandy Cruden Fran Haidl Jim Hibbard John Hinchey Stephen Johnston Fraser Keppie Joe MacQuaker

Assistant Editors/Directeurs adjoints

Columnist: Paul F. Hoffman - The Tooth of Time Outreach: Amanda McCallum (Atlantic)

Pierre Verpaelst (Québec)

Beth Halfkenny (Ontario) Godfrey Nowlan (Prairies) Eileen van der Flier-Keller (BC) Sarah Laxton (North) Professional Affairs for Geoscientists:

Oliver Bonham Views from Industry: Elisabeth Kosters Series: Canada GEESE (Geospatial Earth and

Environmental Science Explorations):

Declan G. De Paor Climate and Energy: Andrew Miall Economic Geology Models: David Lentz and Elizabeth Turner Geology and Wine: Roger Macqueen Great Canadian Lagerstätten:

David Rudkin and Graham Young Great Mining Camps of Canada:

Robert Cathro and Stephen McCutcheon Igneous Rock Associations: Jaroslav Dostal Modern Analytical Facilities: Keith Dewing,

Robert Linnen and Chris R.M. McFarlane Remote Predictive Mapping:

Jeff Harris and Tim Webster


Peter I. Russell, Waterloo ON


Jean Alfred Renaud, Sherbrooke QC


Bev Strickland, St. John’s NL


Geological Association of Canada c/o Department of Earth Sciences Memorial University of Newfoundland St. John’s NL Canada A1B 3X5 Tel: (709) 864-7660 Fax: (709) 864-2532

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Tous droits réservés Print Edition: ISSN 0315-0941 Online Edition: ISSN 1911-4850

Volume 40

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Editorial 1

J.B. Murphy

Geoscience Debate 3

Caribbean Geology: Extended and Subsided Continental Crust Sharing History with Eastern North America, the Gulf of Mexico, the Yucatán Basin and Northern South America

K.H. James

The Rationale and Essential Elements for the New ‘Pirate’ Model of Caribbean 9 Tectonics

F. Keppie

Column 17

The Tooth of Time:

Henno Martin

P.F. Hoffman

Articles 32

Sea-cliff Erosion with Rising Sea-Level along Shores Exposing Glacial

Material in Atlantic Canada: The Effect of Bedrock Slope and an Example from Isle Madame, Nova Scotia

E.R. Force

Metallogenic Evolution of the Mackenzie and Eastern Selwyn Mountains of 40 Canada’s Northern Cordillera, Northwest Territories: A Compilation and Review

L. Ootes, S.A. Gleeson, E. Turner, K. Rasmussen, S. Gordey, H. Falck, E. Martel, and K. Pierce

2013 VOLUME 40 GSCNA7 40 1-70