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Issues
Volume 84, Number 3
March, 1973

ISSN 0016-7606
EISSN 1943-2674
Tectonic Development of the Triassic Newark-Gettysburg Basin in Pennsylvania
GSA Bulletin March 01, 1973, Vol.84, 725-740. doi:https://doi.org/10.1130/0016-7606(1973)84<725:TDOTTN>2.0.CO;2
Chaotic Terrain of Mars: A Tectonic Interpretation from Mariner 6 Imagery
GSA Bulletin March 01, 1973, Vol.84, 741-748. doi:https://doi.org/10.1130/0016-7606(1973)84<741:CTOMAT>2.0.CO;2
Ancient Course of the Tiber River Near Rome: An Introduction to the Middle Pleistocene Volcanic Stratigraphy of Central Italy
GSA Bulletin March 01, 1973, Vol.84, 749-758. doi:https://doi.org/10.1130/0016-7606(1973)84<749:ACOTTR>2.0.CO;2
Two Plinian Pumice-Fall Deposits from Somma-Vesuvius, Italy
GSA Bulletin March 01, 1973, Vol.84, 759-772. doi:https://doi.org/10.1130/0016-7606(1973)84<759:TPPDFS>2.0.CO;2
Syntectonic Conglomerates in Southwestern Montana: Their Nature, Origin, and Tectonic Significance
GSA Bulletin March 01, 1973, Vol.84, 773-796. doi:https://doi.org/10.1130/0016-7606(1973)84<773:SCISMT>2.0.CO;2
Age and Environment of Allochthonous Peat Clasts from the Bogachiel River Valley, Washington
GSA Bulletin March 01, 1973, Vol.84, 797-804. doi:https://doi.org/10.1130/0016-7606(1973)84<797:AAEOAP>2.0.CO;2
Geology of the Western Altos Cuchumatanes, Northwestern Guatemala
GSA Bulletin March 01, 1973, Vol.84, 805-826. doi:https://doi.org/10.1130/0016-7606(1973)84<805:GOTWAC>2.0.CO;2
Holocene Continental Sedimentation in the Salton Basin, California: A Reconnaissance
GSA Bulletin March 01, 1973, Vol.84, 827-848. doi:https://doi.org/10.1130/0016-7606(1973)84<827:HCSITS>2.0.CO;2
Magma Mixing as Illustrated by the 1959 Eruption, Kilauea Volcano, Hawaii
GSA Bulletin March 01, 1973, Vol.84, 849-858. doi:https://doi.org/10.1130/0016-7606(1973)84<849:MMAIBT>2.0.CO;2
Paleomagnetism of the Precambrian Dubawnt Group
GSA Bulletin March 01, 1973, Vol.84, 859-870. doi:https://doi.org/10.1130/0016-7606(1973)84<859:POTPDG>2.0.CO;2
Core from Cretaceous Basalt, Central Equatorial Pacific, Leg 16, Deep Sea Drilling Project
GSA Bulletin March 01, 1973, Vol.84, 871-882. doi:https://doi.org/10.1130/0016-7606(1973)84<871:CFCBCE>2.0.CO;2
Crustose Coralline Algae: A Re-evaluation in the Geological Sciences
GSA Bulletin March 01, 1973, Vol.84, 883-904. doi:https://doi.org/10.1130/0016-7606(1973)84<883:CCAARI>2.0.CO;2
Origin of Amphibolites in the Cartersville–Villa Rica Area, Georgia
GSA Bulletin March 01, 1973, Vol.84, 905-912. doi:https://doi.org/10.1130/0016-7606(1973)84<905:OOAITC>2.0.CO;2
Strontium Isotope Composition of Amphibolite of the Cartersville–Villa Rica District, Georgia
GSA Bulletin March 01, 1973, Vol.84, 913-918. doi:https://doi.org/10.1130/0016-7606(1973)84<913:SICOAO>2.0.CO;2
K-Ar Retention Ages from the Pan-African of Northern Nigeria
GSA Bulletin March 01, 1973, Vol.84, 919-926. doi:https://doi.org/10.1130/0016-7606(1973)84<919:KRAFTP>2.0.CO;2
Carbonate Needles: Additional Organic Sources
GSA Bulletin March 01, 1973, Vol.84, 927-930. doi:https://doi.org/10.1130/0016-7606(1973)84<927:CNAOS>2.0.CO;2
Fine Structure of En Echelon Ridge Axes and Crustal Deformation at Constructive Plate Boundaries
GSA Bulletin March 01, 1973, Vol.84, 931-938. doi:https://doi.org/10.1130/0016-7606(1973)84<931:FSOEER>2.0.CO;2
Evidence for Quaternary Movement on the McKinley Strand of the Denali Fault in the Delta River Area, Alaska
GSA Bulletin March 01, 1973, Vol.84, 939-948. doi:https://doi.org/10.1130/0016-7606(1973)84<939:EFQMOT>2.0.CO;2
Archean Ultramafic Flows in Munro Township, Ontario
GSA Bulletin March 01, 1973, Vol.84, 955-978. doi:https://doi.org/10.1130/0016-7606(1973)84<955:AUFIMT>2.0.CO;2
Johannes Walther's Law of the Correlation of Facies
GSA Bulletin March 01, 1973, Vol.84, 979-988. doi:https://doi.org/10.1130/0016-7606(1973)84<979:JWLOTC>2.0.CO;2
Lead Isotope Systematics and Uranium Depletion in the Granite Mountains, Wyoming
GSA Bulletin March 01, 1973, Vol.84, 989-1002. doi:https://doi.org/10.1130/0016-7606(1973)84<989:LISAUD>2.0.CO;2
Possible Galactic Causes for Periodic and Episodic Glaciations
GSA Bulletin March 01, 1973, Vol.84, 1003-1018. doi:https://doi.org/10.1130/0016-7606(1973)84<1003:PGCFPA>2.0.CO;2
Strontium Isotope Studies of Alkalic Rocks: The Active Carbonatite Volcano Oldoinyo Lengai, Tanzania
GSA Bulletin March 01, 1973, Vol.84, 1019-1030. doi:https://doi.org/10.1130/0016-7606(1973)84<1019:SISOAR>2.0.CO;2
Soluble Material on Ash from Active Central American Volcanoes
GSA Bulletin March 01, 1973, Vol.84, 1031-1042. doi:https://doi.org/10.1130/0016-7606(1973)84<1031:SMOAFA>2.0.CO;2
Chemical Composition and Age Determination of Tholeiitic Rocks in the Basic Igneous Complex, Ecuador
GSA Bulletin March 01, 1973, Vol.84, 1043-1052. doi:https://doi.org/10.1130/0016-7606(1973)84<1043:CCAADO>2.0.CO;2
Origin of the Quaternary Basalts from the Black Rock Desert Region, Utah: Strontium Isotopic Evidence
GSA Bulletin March 01, 1973, Vol.84, 1053-1058. doi:https://doi.org/10.1130/0016-7606(1973)84<1053:OOTQBF>2.0.CO;2
Basement Rock Structural Trends in Southern Mexico
GSA Bulletin March 01, 1973, Vol.84, 1059-1064. doi:https://doi.org/10.1130/0016-7606(1973)84<1059:BRSTIS>2.0.CO;2
Earthquakes near Mount St. Helens, Washington
GSA Bulletin March 01, 1973, Vol.84, 1065-1068. doi:https://doi.org/10.1130/0016-7606(1973)84<1065:ENMSHW>2.0.CO;2
Trend Surface Analysis of Flood Plain and Alluvial Terraces in Southern Illinois and Western Kentucky
GSA Bulletin March 01, 1973, Vol.84, 1069-1074. doi:https://doi.org/10.1130/0016-7606(1973)84<1069:TSAOFP>2.0.CO;2
La Nacion Fault System, San Diego, California
GSA Bulletin March 01, 1973, Vol.84, 1075-1080. doi:https://doi.org/10.1130/0016-7606(1973)84<1075:LNFSSD>2.0.CO;2
Dolerite Dikes of the New Jersey Highlands: Probable Comagmatic Relation with the Mesozoic Palisades Sill and Dolerite Dikes of Eastern United States
GSA Bulletin March 01, 1973, Vol.84, 1081-1086. doi:https://doi.org/10.1130/0016-7606(1973)84<1081:DDOTNJ>2.0.CO;2
Experimental Development of Headward Growth of Channel Networks
GSA Bulletin March 01, 1973, Vol.84, 1087-1094. doi:https://doi.org/10.1130/0016-7606(1973)84<1087:EDOHGO>2.0.CO;2
K-Ar Dating of the Beginning of Tertiary Volcanism in the Mojave Desert, California
GSA Bulletin March 01, 1973, Vol.84, 1095-1100. doi:https://doi.org/10.1130/0016-7606(1973)84<1095:KDOTBO>2.0.CO;2
Circum-Caribbean Tectonic and Igneous Activity and the Evolution of the Caribbean Plate: Discussion
GSA Bulletin March 01, 1973, Vol.84, 1101-1104. doi:https://doi.org/10.1130/0016-7606(1973)84<1101:CTAIAA>2.0.CO;2
Circum-Caribbean Tectonic and Igneous Activity and the Evolution of the Caribbean Plate: Reply
GSA Bulletin March 01, 1973, Vol.84, 1105-1108. doi:https://doi.org/10.1130/0016-7606(1973)84<1105:CTAIAA>2.0.CO;2
Time of Folding of the Yahgan Formation and Age of the Tekenika Beds, Southern Chile, South America: Discussion
GSA Bulletin March 01, 1973, Vol.84, 1109-1112. doi:https://doi.org/10.1130/0016-7606(1973)84<1109:TOFOTY>2.0.CO;2
Time of Folding of the Yahgan Formation and Age of the Tekenika Beds, Southern Chile, South America: Reply
GSA Bulletin March 01, 1973, Vol.84, 1113-1114. doi:https://doi.org/10.1130/0016-7606(1973)84<1113:TOFOTY>2.0.CO;2