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Volume 86, Number 8
August, 1975
GSA Bulletin Cover Image for Volume 86, Issue 8
ISSN: 0016-7606
EISSN: 1943-2674
Geological Criteria for Evaluating Seismicity: Address as Retiring President of The Geological Society of America, Miami Beach, Florida, November 1974
CLARENCE R. ALLEN
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Pliocene Climatic and Glacial History of Antarctica As Revealed by Southeast Indian Ocean Deep-Sea Cores
RICHARD G. BLANK; STANLEY V. MARGOLIS
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Markov Chain Analysis of Computer-Simulated Limestone Sequences
DAVID N. LUMSDEN
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North Carolina Shelf-Edge Sandstone: Age, Environment of Origin, and Relationship to Pre-existing Sea Levels
IAN G. MACINTYRE; BLAKE W. BLACKWELDER; LYNTON S. LAND; ROBERT STUCKENRATH
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Coccolith Sedimentation by Fecal Pellets: Laboratory Experiments and Field Observations
P. H. ROTH; M. M. MULLIN; W. H. BERGER
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Proportions of Exposed Igneous, Metamorphic, and Sedimentary Rocks
HARVEY BLATT; RICHARD L. JONES
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Recycled Franciscan Material in Franciscan Mélange West of Paso Robles, California
DARREL S. COWAN; BENJAMIN M. PAGE
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Delimitation of Surface Weathering Zones in Eastern Baffin Island, Northern Labrador and Arctic Norway: A Discussion
JACK D. IVES
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Alkali/Silica Distinction between Hawaiian Tholeiites and Alkali Basalts
STEPHEN E. DELONG; MARK A. HOFFMAN
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Fenitization of Mississagi Quartzite, Sudbury Area, Ontario
K. M. SIEMIATKOWSKA; R. F. MARTIN
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Regional Controls on Silica Sedimentation in the Ouachita System
DONALD R. LOWE
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Deposition Rates in Valleys Determined Using Fallout Cesium-137
JERRY C. RITCHIE; PAUL H. HAWKS; J. ROGER McHENRY
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Seismic Moments of the Larger Earthquakes of the Southern California Region
THOMAS C. HANKS; JAMES A. HILEMAN; WAYNE THATCHER
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Seismic Slip Distribution along the San Jacinto Fault Zone, Southern California, and Its Implications
WAYNE THATCHER; JAMES A. HILEMAN; THOMAS C. HANKS
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Age of Metamorphism and Uplift in the Alpine Schist Belt, New Zealand
D. S. SHEPPARD; C. J. ADAMS; G. W. BIRD
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Modern versus Relict Sediment on the Continental Shelf
DEAN A. McMANUS
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Presentation of the Penrose Medal to Maurice Ewing
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Response by Harriet G. Ewing
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Presentation of the Arthur L. Day Medal to Alfred Edward Ringwood
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Response by Alfred Edward Ringwood
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Presentation of the Kirk Bryan Award to Robert V. Ruhe
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Response by Robert V. Ruhe
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Presentation of the O. E. Meinzer Award to R. Allan Freeze
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Response by R. Allan Freeze
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Presentation of the E. B. Burwell, Jr., Memorial Award to Robert F. Legget
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Response by Robert F. Legget
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All Issues
  • Online ISSN 1943-2674
  • ISSN 0016-7606
  • Copyright © 2025 Geological Society of America
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