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Volume 80, Number 7
July 1969
Issue Cover
ISSN: 0016-7606
EISSN: 1943-2674
Ponded Sediments of the Mid-Atlantic Ridge between 22° and 23° North Latitude
TJEERD H VAN ANDEL; PAUL D KOMAR
View articletitled, Ponded Sediments of the Mid-Atlantic Ridge between 22° and 23° North Latitude
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Volcanic Substructure Inferred from Dredge Samples and Ocean-Bottom Photographs, Hawaii
JAMES G MOORE; RICHARD S FISKE
View articletitled, Volcanic Substructure Inferred from Dredge Samples and Ocean-Bottom Photographs, Hawaii
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Bathymetry and Marine Geology of the Andaman Basin, and Tectonic Implications for Southeast Asia
KELVIN S RODOLFO
View articletitled, Bathymetry and Marine Geology of the Andaman Basin, and Tectonic Implications for Southeast Asia
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Principal Stress Directions from Plastic Flow in Crystals
NEVILLE L CARTER; C. BARRY RALEIGH
View articletitled, Principal Stress Directions from Plastic Flow in Crystals
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Errors in Using Modern Stream-Load Data To Estimate Natural Rates of Denudation
ROBERT H MEADE
View articletitled, Errors in Using Modern Stream-Load Data To Estimate Natural Rates of Denudation
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Age and Position of Lower Devonian Graptolite Zones Relative to the Appalachian Standard Succession
J. G JOHNSON; M. A MURPHY
View articletitled, Age and Position of Lower Devonian Graptolite Zones Relative to the Appalachian Standard Succession
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Petrology of the Volcanic Rocks of Saint Helena Island, South Atlantic
IAN BAKER
View articletitled, Petrology of the Volcanic Rocks of Saint Helena Island, South Atlantic
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SA Microfabric Study of Calcite, Dolomite, and Quartz around Papoose Flat Pluton, California
ARTHUR G SYLVESTER
View articletitled, SA Microfabric Study of Calcite, Dolomite, and Quartz around Papoose Flat Pluton, California
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Structural Evolution of the Southwestern Tobacco Root Mountains, Montana
H. ROBERT BURGER, III
View articletitled, Structural Evolution of the Southwestern Tobacco Root Mountains, Montana
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Alkalic and Tholeiitic Basaltic Volcanism Related to the Rio Grande Depression, Southern Colorado and Northern New Mexico
PETER W LIPMAN
View articletitled, Alkalic and Tholeiitic Basaltic Volcanism Related to the Rio Grande Depression, Southern Colorado and Northern New Mexico
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Prehnite Veins in Triassic Diabase, Coopersburg, Pennsylvania
DALE R SIMPSON
View articletitled, Prehnite Veins in Triassic Diabase, Coopersburg, Pennsylvania
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Possible Seismicity of the Nacimiento Fault, California
CHARLES F RICHTER
View articletitled, Possible Seismicity of the Nacimiento Fault, California
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Richat and Semsiyat Domes (Mauritania): Not Astroblemes
ROBERT S DIETZ; ROBERT FUDALI; WILLIAM CASSIDY
View articletitled, Richat and Semsiyat Domes (Mauritania): Not Astroblemes
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Ultramafic and Basaltic Rocks Dredged from the Nearshore Flank of the Tonga Trench
ROBERT L FISHER; CELESTE G ENGEL
View articletitled, Ultramafic and Basaltic Rocks Dredged from the Nearshore Flank of the Tonga Trench
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The Relationship between Falling Base Level and Lateral Erosion in Experimental Streams
W. H YOXALL
View articletitled, The Relationship between Falling Base Level and Lateral Erosion in Experimental Streams
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A Rapid Field Method for Making Peels of Unconsolidated Sands
R. J MOIOLA; R. T CLARKE; B. J PHILLIPS
View articletitled, A Rapid Field Method for Making Peels of Unconsolidated Sands
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Profiles of Magnetic Anomalies South of the Aleutian Island Arc
BARRETT H ERICKSON; PAUL J GRIM
View articletitled, Profiles of Magnetic Anomalies South of the Aleutian Island Arc
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Algal Boring: A Possible Depth Indicator in Carbonate Rocks and Sediments
J. P SWINCHATT
View articletitled, Algal Boring: A Possible Depth Indicator in Carbonate Rocks and Sediments
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Ultrastructure in Palmatolepis sp. and Polygnathus sp
R. W PIERCE; R. L LANGENHEIM, JR.
View articletitled, Ultrastructure in Palmatolepis sp. and Polygnathus sp
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A Unique Conodont Basal Structure from the Ordovician of Alabama
L. CAMERON MOSHER; FRANCES BODENSTEIN
View articletitled, A Unique Conodont Basal Structure from the Ordovician of Alabama
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Carbon Isotopes in Pelites of the Precambrian Uncompahgre Formation, Needle Mountains, Colorado
FRED BARKER; IRVING FRIEDMAN
View articletitled, Carbon Isotopes in Pelites of the Precambrian Uncompahgre Formation, Needle Mountains, Colorado
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The San Miguel Lava Flow, Dona Ana County, New Mexico
JERRY M HOFFER
View articletitled, The San Miguel Lava Flow, Dona Ana County, New Mexico
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Radiometric Ages of Pleistocene Terraces from San Nicolas Island, California
JAMES W VALENTINE; H. HERBERT VEEH
View articletitled, Radiometric Ages of Pleistocene Terraces from San Nicolas Island, California
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All Issues
  • Online ISSN 1943-2674
  • ISSN 0016-7606
  • Copyright © 2025 Geological Society of America
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