ARTICLE:

RODGER T. FAILL

Tectonic Development of the Triassic Newark-Gettysburg Basin in Pennsylvania
Geological Society of America Bulletin 1973 v. 84, p. 725-740. [Abstract] [PDF]  

RAYMOND C. WILSON, EDWIN L. HARP, M. DANE PICARD, and STANLEY H. WARD

Chaotic Terrain of Mars: A Tectonic Interpretation from Mariner 6 Imagery
Geological Society of America Bulletin 1973 v. 84, p. 741-748. [Abstract] [PDF]  

WALTER ALVAREZ

Ancient Course of the Tiber River Near Rome: An Introduction to the Middle Pleistocene Volcanic Stratigraphy of Central Italy
Geological Society of America Bulletin 1973 v. 84, p. 749-758. [Abstract] [PDF]  

LUCIO LIRER, TULLIO PESCATORE, BASIL BOOTH, and GEORGE P. L. WALKER

Two Plinian Pumice-Fall Deposits from Somma-Vesuvius, Italy
Geological Society of America Bulletin 1973 v. 84, p. 759-772. [Abstract] [PDF]  

ROBERT T. RYDER and ROBERT SCHOLTEN

Syntectonic Conglomerates in Southwestern Montana: Their Nature, Origin, and Tectonic Significance
Geological Society of America Bulletin 1973 v. 84, p. 773-796. [Abstract] [PDF]  

CALVIN J. HEUSSER

Age and Environment of Allochthonous Peat Clasts from the Bogachiel River Valley, Washington
Geological Society of America Bulletin 1973 v. 84, p. 797-804. [Abstract] [PDF]  

THOMAS H. ANDERSON, BURKE BURKART, RUSSELL E. CLEMONS, OTTO H. BOHNENBERGER, and DON N. BLOUNT

Geology of the Western Altos Cuchumatanes, Northwestern Guatemala
Geological Society of America Bulletin 1973 v. 84, p. 805-826. [Abstract] [Full Text] [PDF]  

P. C. VAN DE KAMP

Holocene Continental Sedimentation in the Salton Basin, California: A Reconnaissance
Geological Society of America Bulletin 1973 v. 84, p. 827-848. [Abstract] [PDF]  

THOMAS L. WRIGHT

Magma Mixing as Illustrated by the 1959 Eruption, Kilauea Volcano, Hawaii
Geological Society of America Bulletin 1973 v. 84, p. 849-858. [Abstract] [PDF]  

J. K. PARK, E. IRVING, and J. A. DONALDSON

Paleomagnetism of the Precambrian Dubawnt Group
Geological Society of America Bulletin 1973 v. 84, p. 859-870. [Abstract] [PDF]  

ROBERT S. YEATS, WARREN C. FORBES, KENNETH F. SCHEIDEGGER, G. ROSS HEATH, and TJ. H. van ANDEL

Core from Cretaceous Basalt, Central Equatorial Pacific, Leg 16, Deep Sea Drilling Project
Geological Society of America Bulletin 1973 v. 84, p. 871-882. [Abstract] [PDF]  

W. H. ADEY and I. G. MACINTYRE

Crustose Coralline Algae: A Re-evaluation in the Geological Sciences
Geological Society of America Bulletin 1973 v. 84, p. 883-904. [Abstract] [PDF]  

VERNON J. HURST and LOIS M. JONES

Origin of Amphibolites in the Cartersville–Villa Rica Area, Georgia
Geological Society of America Bulletin 1973 v. 84, p. 905-912. [Abstract] [PDF]  

LOIS M. JONES, VERNON J. HURST, and RAYMOND L. WALKER

Strontium Isotope Composition of Amphibolite of the Cartersville–Villa Rica District, Georgia
Geological Society of America Bulletin 1973 v. 84, p. 913-918. [Abstract] [PDF]  

C. T. HARPER, G. SHERRER, PATRICIA McCURRY, and J. B. WRIGHT

K-Ar Retention Ages from the Pan-African of Northern Nigeria
Geological Society of America Bulletin 1973 v. 84, p. 919-926. [Abstract] [PDF]  

RONALD D. STIEGLITZ

Carbonate Needles: Additional Organic Sources
Geological Society of America Bulletin 1973 v. 84, p. 927-930. [Abstract] [Full Text] [PDF]  

J.D.A. PIPER

Fine Structure of En Echelon Ridge Axes and Crustal Deformation at Constructive Plate Boundaries
Geological Society of America Bulletin 1973 v. 84, p. 931-938. [Abstract] [PDF]  

J. H. STOUT, J. B. BRADY, F. WEBER, and R. A. PAGE

Evidence for Quaternary Movement on the McKinley Strand of the Denali Fault in the Delta River Area, Alaska
Geological Society of America Bulletin 1973 v. 84, p. 939-948. [Abstract] [Full Text] [PDF]  

J. C. BUTLER

Prediction of Composition of Anomalous Cryptoperthites from the Rattlesnake Mountain Sill, West Texas, Using Stepwise Multiple Linear Regression Techniques
Geological Society of America Bulletin 1973 v. 84, p. 949-954. [Abstract] [PDF]  

D. R. PYKE, A. J. NALDRETT, and O. R. ECKSTRAND

Archean Ultramafic Flows in Munro Township, Ontario
Geological Society of America Bulletin 1973 v. 84, p. 955-978. [Abstract] [PDF]  

GERARD V. MIDDLETON

Johannes Walther's Law of the Correlation of Facies
Geological Society of America Bulletin 1973 v. 84, p. 979-988. [Abstract] [PDF]  

J. N. ROSHOLT, R. E. ZARTMAN, and I. T. NKOMO

Lead Isotope Systematics and Uranium Depletion in the Granite Mountains, Wyoming
Geological Society of America Bulletin 1973 v. 84, p. 989-1002. [Abstract] [PDF]  

J. STEINER and E. GRILLMAIR

Possible Galactic Causes for Periodic and Episodic Glaciations
Geological Society of America Bulletin 1973 v. 84, p. 1003-1018. [Abstract] [PDF]  

KEITH BELL, J. B. DAWSON, and R. M. FARQUHAR

Strontium Isotope Studies of Alkalic Rocks: The Active Carbonatite Volcano Oldoinyo Lengai, Tanzania
Geological Society of America Bulletin 1973 v. 84, p. 1019-1030. [Abstract] [PDF]  

PAUL S. TAYLOR and RICHARD E. STOIBER

Soluble Material on Ash from Active Central American Volcanoes
Geological Society of America Bulletin 1973 v. 84, p. 1031-1042. [Abstract] [PDF]  

PIERRE J. GOOSSENS and WILLIAM I. ROSE, JR.

Chemical Composition and Age Determination of Tholeiitic Rocks in the Basic Igneous Complex, Ecuador
Geological Society of America Bulletin 1973 v. 84, p. 1043-1052. [Abstract] [PDF]  

PAUL PUSHKAR and KENT C. CONDIE

Origin of the Quaternary Basalts from the Black Rock Desert Region, Utah: Strontium Isotopic Evidence
Geological Society of America Bulletin 1973 v. 84, p. 1053-1058. [Abstract] [PDF]  

STEPHEN E. KESLER

Basement Rock Structural Trends in Southern Mexico
Geological Society of America Bulletin 1973 v. 84, p. 1059-1064. [Abstract] [Full Text] [PDF]  

JOHN D. UNGER and KAY F. MILLS

Earthquakes near Mount St. Helens, Washington
Geological Society of America Bulletin 1973 v. 84, p. 1065-1068. [Abstract] [PDF]  

CHARLES S. ALEXANDER and J. RONALD EYTON

Trend Surface Analysis of Flood Plain and Alluvial Terraces in Southern Illinois and Western Kentucky
Geological Society of America Bulletin 1973 v. 84, p. 1069-1074. [Abstract] [PDF]  

ERNEST R. ARTIM and CHARLES J. PINCKNEY

La Nacion Fault System, San Diego, California
Geological Society of America Bulletin 1973 v. 84, p. 1075-1080. [Abstract] [Full Text] [PDF]  

LAWRENCE R. MAXEY

Dolerite Dikes of the New Jersey Highlands: Probable Comagmatic Relation with the Mesozoic Palisades Sill and Dolerite Dikes of Eastern United States
Geological Society of America Bulletin 1973 v. 84, p. 1081-1086. [Abstract] [PDF]  

JEAN-JACQUES FLINT

Experimental Development of Headward Growth of Channel Networks
Geological Society of America Bulletin 1973 v. 84, p. 1087-1094. [Abstract] [Full Text] [PDF]  

RICHARD LEE ARMSTRONG and RALPH E. HIGGINS

K-Ar Dating of the Beginning of Tertiary Volcanism in the Mojave Desert, California
Geological Society of America Bulletin 1973 v. 84, p. 1095-1100. [Abstract] [PDF]  

DISCUSSION AND REPLY:

HOWARD A. MEYERHOFF and A. A. MEYERHOFF

Circum-Caribbean Tectonic and Igneous Activity and the Evolution of the Caribbean Plate: Discussion
Geological Society of America Bulletin 1973 v. 84, p. 1101-1104. [Abstract] [PDF]  

BRUCE T. MALFAIT and MENNO G. DINKELMAN

Circum-Caribbean Tectonic and Igneous Activity and the Evolution of the Caribbean Plate: Reply
Geological Society of America Bulletin 1973 v. 84, p. 1105-1108. [Abstract] [PDF]  

H. R. KATZ

Time of Folding of the Yahgan Formation and Age of the Tekenika Beds, Southern Chile, South America: Discussion
Geological Society of America Bulletin 1973 v. 84, p. 1109-1112. [Abstract] [PDF]  

MARTIN HALPERN

Time of Folding of the Yahgan Formation and Age of the Tekenika Beds, Southern Chile, South America: Reply
Geological Society of America Bulletin 1973 v. 84, p. 1113-1114. [Abstract] [PDF]  

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