Comments from a retiring editor
Geology 1990 v. 18, p. 3. [Abstract] [PDF]  

E. G. Nisbet

The world turned inside out
Geology 1990 v. 18, p. 4. [Abstract] [PDF]  

K. J. Tegtmeyer and G. L. Farmer

Nd isotopic gradients in upper crustal magma chambers: Evidence for in situ magma-wall-rock interaction
Geology 1990 v. 18, p. 5-9. [Abstract] [PDF]  

Norman D. Smith, Andrew C. Phillips, and Ross D. Powell

Tidal drawdown: A mechanism for producing cyclic sediment laminations in glaciomarine deltas
Geology 1990 v. 18, p. 10-13. [Abstract] [PDF]  

M. E. Bickford, K. D. Collerson, J. F. Lewry, W. R. Van Schmus, and J. R. Chiarenzelli

Proterozoic collisional tectonism in the Trans-Hudson orogen, Saskatchewan
Geology 1990 v. 18, p. 14-18. [Abstract] [PDF]  

David T. King, Jr.

Upper Cretaceous marl-limestone sequences of Alabama: Possible products of sea-level change, not climate forcing
Geology 1990 v. 18, p. 19-22. [Abstract] [PDF]  

Mason L. Hill

Transverse Ranges and neotectonics of southern California
Geology 1990 v. 18, p. 23-25. [Abstract] [PDF]  

Dan Bosence and Dave Waltham

Computer modeling the internal architecture of carbonate platforms
Geology 1990 v. 18, p. 26-30. [Abstract] [PDF]  

D. Pirrie and J. D. Marshall

High-paleolatitude Late Cretaceous paleotemperatures: New data from James Ross Island, Antarctica
Geology 1990 v. 18, p. 31-34. [Abstract] [PDF]  

John S. Pallister, James C. Cole, Douglas B. Stoeser, and James E. Quick

Use and abuse of crustal accretion calculations
Geology 1990 v. 18, p. 35-39. [Abstract] [PDF]  

James E. Begét, David B. Stone, and Daniel B. Hawkins

Paleoclimatic forcing of magnetic susceptibility variations in Alaskan loess during the late Quaternary
Geology 1990 v. 18, p. 40-43. [Abstract] [PDF]  

J. G. Johnson

Method of Multiple Working Hypotheses: A chimera
Geology 1990 v. 18, p. 44-45. [Abstract] [PDF]  

K. M. Nichols and N. J. Silberling

Delle Phosphatic Member: An anomalous phosphatic interval in the Mississippian (Osagean-Meramecian) shelf sequence of central Utah
Geology 1990 v. 18, p. 46-49. [Abstract] [PDF]  

Christian Koeberl, Virgil L. Sharpton, A. V. Murali, and Kevin Burke

Kara and Ust-Kara impact structures (USSR) and their relevance to the K/T boundary event
Geology 1990 v. 18, p. 50-53. [Abstract] [PDF]  

Maureen T. Muck and Michael B. Underwood

Upslope flow of turbidity currents: A comparison among field observations, theory, and laboratory models
Geology 1990 v. 18, p. 54-57. [Abstract] [PDF]  

Dallas Abbott and William Menke

Length of the global plate boundary at 2.4 Ga
Geology 1990 v. 18, p. 58-61. [Abstract] [PDF]  

Colin Woodroffe, Roger McLean, Henry Polach, and Eugene Wallensky

Sea level and coral atolls: Late Holocene emergence in the Indian Ocean
Geology 1990 v. 18, p. 62-66. [Abstract] [PDF]  

G. Henry, C. W. Clendenin, I. G. Stanistreet, and K. J. Maiden

Multiple detachment model for the early rifting stage of the Late Proterozoic Damara orogen in Namibia
Geology 1990 v. 18, p. 67-71. [Abstract] [PDF]  

Anthony Zaikowski and Robert R. Spangler

Noble gas and methane partitioning from ground water: An aid to natural gas exploration and reservoir evaluation
Geology 1990 v. 18, p. 72-74. [Abstract] [PDF]  

P. E. Williamson, M. G. Swift, G. W. O'Brien, and D. A. Falvey

Two-stage Early Cretaceous rifting of the Otway Basin margin of southeastern Australia: Implications for rifting of the Australian southern margin
Geology 1990 v. 18, p. 75-78. [Abstract] [PDF]  

Yianping Li, John W. Geissman, Amos Nur, Hagai Ron, and Qing Huang

Paleomagnetic evidence for counterclockwise block rotation in the north Nevada rift region
Geology 1990 v. 18, p. 79-82. [Abstract] [PDF]  

Clifford S. Todd

Bleaching of limestones in the Notch Peak contact-metamorphic aureole, Utah
Geology 1990 v. 18, p. 83-86. [Abstract] [PDF]  

Frank T. Kyte, B. F. Bohor, D. M. Triplehorn, and Birger Schmitz

Comments and Replies on "Origin of microlayering in worldwide distributed Ir-rich marine Cretaceous /Tertiary boundary clays"
Geology 1990 v. 18, p. 87-94. [Abstract] [PDF]  

Mahlon M. Ball, Henry T. Mullins, and Albert C. Hine

Comment and Reply on "Scalloped bank margins: Beginning of the end for carbonate platforms?"
Geology 1990 v. 18, p. 95-96. [Abstract] [PDF]  

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