Geological society of America bulletin. Vol.83. P.5 / Бюллетень Американского геологического общества. Том 83. Выпуск 5

Precambrian Belt Basin of Northwestern United States: Its Geometry, Sedimentation and Copper Occurrences Jack. E. Harrison
Heat Flow and Continuous Seismic Profiles in the Cayman Trough and Yucatan Basin  A.J. Erickson, С.E. Helsley, and G. Simmons
Coarse Sediment Transport by Flood Flows on Knik River, Alaska W.C. Bradley, R.K. Fahnestock, and E. T. Rowehamp
Chemical and Mineralogical Variations during Prograde Metamorphism, Great Smoky Mountains, North Carolina and Tennessee G. C. Allen and P. C. Ragland
Palynological Evidence Bearing on the Ordovician—Silurian Paraconformity in Ohio  J. Gray and A. J. Boucot
Sediments of the Continental Margin off the Eastern United States  J.D. Milliman, О.H. Pilkpy, and D.A. Ross
Basalts of the Mount Taylor Volcanic Field, New Mexico P. IV. Lipman and R. H. Moench
Initial Deposits in the Cordilleran Geosyncline: Evidence of a Late Precambrian (<850 m.y.) Continental Separation John H. Stewart
Mineralogy and Petrology of the Iron Hill Carbonatite Complex, Colorado W. P. Nash
Tertiary Volcanic Center, West-Central Nevada J. R. Riehle, E. H. McKee, and R. C. Speed
Hornblende Schists in the Manhattan Formation, in the Bronx, New York Horace R. Blank
Santiaguito Volcanic Dome, Guatemala William l. Rose, Jr.
Quaternary History of Lake Tahoe, California-Nevada N. J. Hyne, P. Chelminski, J. E. C"urt, D. S, Gorsline, and C. R. Goldman
Geothermal Steam in the Geysers in Clear Lake Region, California Lowell E. Garrison Subaqueous Gravity Processes on the Front of Cretaceous Deltas, Reconcavo Basin, Brazil G. deV. Klein, U. de Melo, and jI. C. Della Favera
Geochemistry of Ferromanganese Oxide Concretions and Associated Deposits in Lake Ontario D. S. Cronan and R.L. Thomas
Aeolian Processes on Mars: Erosive Velocities, Settling Velocities, and Yellow Clouds Raymond E. Arvidson
Southern Mariana Arc: Geophysical Observations and Hypothesis of Evolution D.R. Bracey and T. A. Ogden
Environmental Constraints on the Substitution of Space for Time * Study of Natural Channel Networks Athol D. Abrahams
Development of Alluvial Stream Charnels: A Five-Stage Model E. A. Keller
Late-Pleistocene Erg in the Upper Hudson ''alley, New York G. G. Connally, D. H. Krinsley, and L. A. Sirkjn
Late Cenozoic Basalts from the palava Field, Valencia County, New Mexico W. Laughlin, D. G. Brookins, and J. D. Causey
Significance of Variable Plunge bmall-Scale Upright Folds in the Type Aravalli Rocks around Udaipur, Rjasthan Western India) A shit Baran Roy