Article:

BRUCE T MALFAIT and MENNO G DINKELMAN

Circum-Caribbean Tectonic and Igneous Activity and the Evolution of the Caribbean Plate
Geological Society of America Bulletin 1972 v. 83, p. 251-272. [Abstract] [PDF]  

R. ERNEST ANDERSON, CHESTER R LONGWELL, RICHARD LEE ARMSTRONG, and RICHARD F MARVIN

Significance of K-Ar Ages of Tertiary Rocks from the Lake Mead Region, Nevada-Arizona
Geological Society of America Bulletin 1972 v. 83, p. 273-288. [Abstract] [PDF]  

PETER LONSDALE, WILLIAM R NORMARK, and W. A NEWMAN

Sedimentation and Erosion on Horizon Guyot
Geological Society of America Bulletin 1972 v. 83, p. 289-316. [Abstract] [PDF]  

RICHARD L HAY and BLAIR F JONES

Weathering of Basaltic Tephra on the Island of Hawaii
Geological Society of America Bulletin 1972 v. 83, p. 317-332. [Abstract] [PDF]  

KENT C CONDIE and C. K BARSKY

Origin of Quaternary Basalts from the Black Rock Desert Region, Utah
Geological Society of America Bulletin 1972 v. 83, p. 333-352. [Abstract] [PDF]  

DOUGLAS S CHERKAUER

Longitudinal Profiles of Ephemeral Streams in Southeastern Arizona
Geological Society of America Bulletin 1972 v. 83, p. 353-366. [Abstract] [PDF]  

J. A FAGERSTROM and RAYMOND R BURCHETT

Upper Pennsylvanian Shoreline Deposits from Iowa and Nebraska: Their Recognition, Variation, and Significance
Geological Society of America Bulletin 1972 v. 83, p. 367-388. [Abstract] [PDF]  

D. F STRONG

Petrology of the Island of Moheli, Western Indian Ocean
Geological Society of America Bulletin 1972 v. 83, p. 389-406. [Abstract] [PDF]  

THOMAS S SZEKELY and L. TROWBRIDGE GROSE

Stratigraphy of the Carbonate, Black Shale, and Phosphate of the Pucará Group (Upper Triassic—Lower Jurassic), Central Andes, Peru
Geological Society of America Bulletin 1972 v. 83, p. 407-428. [Abstract] [PDF]  

RICHARD W OJAKANGAS

Archean Volcanogenic Graywackes of the Vermilion District, Northeastern Minnesota
Geological Society of America Bulletin 1972 v. 83, p. 429-442. [Abstract] [PDF]  

JOHN D HEM

Chemical Factors that Influence the Availability of Iron and Manganese in Aqueous Systems
Geological Society of America Bulletin 1972 v. 83, p. 443-450. [Abstract] [PDF]  

D. J HORVATH

Availability of Manganese and Iron to Plants and Animals
Geological Society of America Bulletin 1972 v. 83, p. 451-462. [Abstract] [PDF]  

NOTE AND DISCUSSION:

GERARD J. B GERMS

Thin Concentric Structures of Biologic Origin from the Nama System, South West Africa
Geological Society of America Bulletin 1972 v. 83, p. 463-466. [Abstract] [PDF]  

JOHN H SPANG

Numerical Method for Dynamic Analysis of Calcite Twin Lamellae
Geological Society of America Bulletin 1972 v. 83, p. 467-472. [Abstract] [PDF]  

DONALD W HYNDMAN, JOHN D OBRADOVICH, and ROBERT EHINGER

Potassium-Argon Age Determinations of the Philipsburg Batholith
Geological Society of America Bulletin 1972 v. 83, p. 473-474. [Abstract] [PDF]  

RICHARD L HANDY

Alluvial Cutoff Dating from Subsequent Growth of a Meander
Geological Society of America Bulletin 1972 v. 83, p. 475-480. [Abstract] [PDF]  

ROBERT R PAYNE, JOHN R CONOLLY, and WILLIAM H ABBOTT

Turbidite Muds within Diatom Ooze off Antarctica: Pleistocene Sediment Variation Defined by Closely Spaced Piston Cores
Geological Society of America Bulletin 1972 v. 83, p. 481-486. [Abstract] [PDF]  

JEFFREY T ABBOTT

Rb-Sr Study of Isotopic Redistribution in a Precambrian Mylonite-Bearing Shear Zone, Northern Front Range, Colorado
Geological Society of America Bulletin 1972 v. 83, p. 487-494. [Abstract] [PDF]  

DOUGLAS G BROOKINS

Radiometric Ages from the Mt. Desert Island Area, Maine
Geological Society of America Bulletin 1972 v. 83, p. 495-496. [Abstract] [PDF]  

WILLIAM J METZGER and M. E BICKFORD

Rb-Sr Chronology and Stratigraphic Relations of Silurian Rocks, Mt. Desert Island, Maine
Geological Society of America Bulletin 1972 v. 83, p. 497-504. [Abstract] [PDF]  

JOHN G SCLATER, JAMES W HAWKINS, JACQUELINE MAMMERICKX, and CLEMENT G CHASE

Crustal Extension between the Tonga and Lau Ridges: Petrologic and Geophysical Evidence
Geological Society of America Bulletin 1972 v. 83, p. 505-518. [Abstract] [PDF]  

MAHMOOD ALAM

Tectonic Classification of Bengal Basin
Geological Society of America Bulletin 1972 v. 83, p. 519-522. [Abstract] [PDF]  

NICHOLAS M RATCLIFFE, RICHARD LEE ARMSTRONG, BRUCE H-T CHAI, and RONALD G SENECHAL

K-Ar and Rb-Sr Geochronology of the Canopus Pluton, Hudson Highlands, New York
Geological Society of America Bulletin 1972 v. 83, p. 523-530. [Abstract] [PDF]  

MAXWELL GAGE

Terrestrial Glass Spheres: Discussion
Geological Society of America Bulletin 1972 v. 83, p. 531-532. [Abstract] [PDF]  

ROBERT G McWILLIAMS

Age and Correlation of the Eocene Ulatisian and Narizian Stages, California: Discussion
Geological Society of America Bulletin 1972 v. 83, p. 533-534. [Abstract] [PDF]  

P. LEWIS STEINECK and JAMES M GIBSON

Age and Correlation of the Eocene Ulatisian and Narizian Stages, California: Reply
Geological Society of America Bulletin 1972 v. 83, p. 535-536. [Abstract] [PDF]  

WALTER S OLSON

Sedimentary Model for Determining Paleotidal Range: Discussion
Geological Society of America Bulletin 1972 v. 83, p. 537-538. [Abstract] [PDF]  

GEORGE DeVRIES KLEIN

Sedimentary Model for Determining Paleotidal Range: Reply
Geological Society of America Bulletin 1972 v. 83, p. 539-546. [Abstract] [PDF]  

D MUKHOPADHYAY

Deformation of a Slaty, Lapillar Tuff in the Lake District, England: Discussion
Geological Society of America Bulletin 1972 v. 83, p. 547-548. [Abstract] [PDF]  

G OERTEL

Deformation of a Slaty, Lapillar Tuff in the Lake District, England: Another Reply
Geological Society of America Bulletin 1972 v. 83, p. 549-550. [Abstract] [PDF]  

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