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Volume 18, Number 8
August, 1990
Geology Cover Image for Volume 18, Issue 8
ISSN: 0091-7613
EISSN: 1943-2682
Two-sided orogen: Collision and erosion from the sandbox to the Southern Alps, New Zealand
P. O. Koons
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Brief reversed polarity interval during the Cretaceous Normal Polarity Superchron
John A. Tarduno
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Permian chronostratigraphy in Kansas
D. L. Baars
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Halite depositional facies in a solar salt pond: A key to interpreting physical energy and water depth in ancient deposits?
C. Robertson Handford
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Transtensional arm of the early Mesozoic Fundy rift basin: Penecontemporaneous faulting and sedimentation
Paul E. Olsen; Roy W. Schlische
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Palisades sill: Origin of the olivine zone by separate magmatic injection rather than gravity settling
Jonathan M. Husch
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On the mechanical role of smectite in subduction zones
Peter Vrolijk
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Ocmulgee fault: The Piedmont-Avalon terrane boundary in central Georgia
Robert J. Hooper; Robert D. Hatcher, Jr.
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Late Paleozoic extension in the Great Basin, western United States
David Lee Smith; Elizabeth L. Miller
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Evidence for episodic basin dewatering in salt-dome cap rocks
W. S. Hallager; M. R. Ulrich; J. R. Kyle; P. E. Price; W. A. Gose
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Channelized fluid flow through shear zones during fluid-enhanced dynamic recrystallization, Northern Apennines, Italy
Karen E. Carter; Stephen I. Dworkin
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Development of the Gran Desierto sand sea, northwestern Mexico
Grady Blount; Nicholas Lancaster
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Stratigraphic significance of Cruziana: New data concerning the Cambrian-Ordovician ichnostratigraphic paradigm
James P. A. Magwood; S. George Pemberton
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Actualistic sandstone petrofacies: Discriminating modern and ancient source rocks
Raymond V. Ingersoll
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Seismic anisotropy due to preferred mineral orientation observed in shallow crustal rocks in southern Alaska
Thomas M. Brocher; Nikolas I. Christensen
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40Ar/39Ar laser-probe dating by step heating and spot fusion of phengites from the Dora Maira nappe of the western Alps, Italy
S. Scaillet; G. Féraud; Y. Lagabrielle; M. Ballévre; G. Ruffet
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Stratigraphic evidence for late Quaternary dune activity near Hudson on the Piedmont of northern Colorado
Steven L. Forman; Paula Maat
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Causes of variation in fault-facing direction on the ocean floor
Suzanne M. Carbotte; Ken C. Macdonald
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Precollision and postcollision thermal events in the Himalaya
M.R.W. Johnson; G.J.H. Oliver
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Colloidal transport of gold and silica in epithermal precious-metal systems: Evidence from the Sleeper deposit, Nevada
James A. Saunders
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Geochronologic and isotopic evidence for involvement of pre-Pan-African crust in the Nubian shield, Egypt
Mohamed Sultan; Kevin R. Chamberlain; Samuel A. Bowring; Raymond E. Arvidson; Hassan Abuzied; Baher El Kaliouby
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Structure of the Appalachian deformation front in western Newfoundland: Implications of multichannel seismic reflection data
Glen S. Stockmal; John W. F. Waldron
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Glaciation and saline-freshwater mixing as a possible cause of cave formation in the eastern midcontinent region of the United States: A conceptual model
Samuel V. Panno; William L. Bourcier
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Major circular structure beneath southern Lake Huron defined from potential field data
D. A. Forsyth; M. Pílkington; R.A.F. Grieve; D. Abbinett
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Fast-flowing outlet glaciers on Svalbard ice caps
Julian A. Dowdeswell; R. Lindsay Collin
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Application of linear elastic fracture mechanics to the quantitative evaluation of fluid-inclusion decrepitation
Alfred Lacazette
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Pressure-temperature-time path related to the thermotectonic evolution of an Early Proterozoic metamorphic terrane, Black Hills, South Dakota
Michael P. Terry; La Verne M. Friberg
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Stable-isotope record of organic carbon from an evolving carbonate banktop, Bight of Abaco, Bahamas
Kenneth A. Rasmussen; Robert I. Haddad; A. Conrad Neumann
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U/Pb zircon and baddeleyite ages for the Palisades and Gettysburg sills of the northeastern United States: Implications for the age of the Triassic/Jurassic boundary
G. R. Dunning; J. P. Hodych
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Comment and Reply on "Diagenetic quartzarenite and destruction of secondary porosity: An example from the Middle Jurassic Brent sandstone of northwest Europe"
I. C. Scotchman; Nicholas B. Harris
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Comment and Reply on "Discordant paleomagnetic poles from the Canadian Coast Plutonic Complex: Regional tilt rather than large-scale displacement"
Paul J. Umhoefer; Jerry F. Magloughlin; R. F. Butler; G. E. Gehrels; W. C. McClelland; S. R. May; D. Klepacki
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Comment and Reply on "Geologic and environmental aspects of surface cementation, north coast, Yucatan, Mexico"
P. L. Smart; F. F. Whitaker; Eugene Perry; Andrew Reeve; Robert Sanborn; Luis Marin; Miguel Villasuso
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Comment and Reply on "Drumlins, subglacial meltwater floods, and ocean responses"
Lars Forsström; John Shaw
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  • Online ISSN 1943-2682
  • ISSN 0091-7613
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