Article:

L. C HSU and C. W BURNHAM

Phase Relationships in the System Fe₃Al₂Si₃O₁₂-Mg₃Al₂Si₃O₁₂-H₂O at 2.0 Kilobars
Geological Society of America Bulletin 1969 v. 80, p. 2393-2408. [Abstract] [PDF]  

WARREN HAMILTON

Mesozoic California and the Underflow of Pacific Mantle
Geological Society of America Bulletin 1969 v. 80, p. 2409-2430. [Abstract] [PDF]  

CHARLES E HELSLEY

Magnetic Reversal Stratigraphy of the Lower Triassic Moenkopi Formation of Western Colorado
Geological Society of America Bulletin 1969 v. 80, p. 2431-2450. [Abstract] [PDF]  

GREGORY S HORNE

Early Ordovician Chaotic Deposits in the Central Volcanic Belt of Northeastern Newfoundland
Geological Society of America Bulletin 1969 v. 80, p. 2451-2464. [Abstract] [PDF]  

LINCOLN S HOLLISTER

Contact Metamorphism in the Kwoiek Area of British Columbia: An End Member of the Metamorphic Process
Geological Society of America Bulletin 1969 v. 80, p. 2465-2494. [Abstract] [PDF]  

BRUCE R DOE and ROBERT C PEARSON

U-Th-Pb Chronology of Zircons from the St. Kevin Granite, Northern Sawatch Range, Colorado
Geological Society of America Bulletin 1969 v. 80, p. 2495-2502. [Abstract] [PDF]  

CHRISTOPHER G. ST. C KENDALL

An Environmental Re-interpretation of the Permian Evaporite/Carbonate Shelf Sediments of the Guadalupe Mountains
Geological Society of America Bulletin 1969 v. 80, p. 2503-2526. [Abstract] [PDF]  

SEYMOUR MACK

Climatic and Tectonic Factors Affecting Water Quality in the San Joaquin Valley near Fresno, California
Geological Society of America Bulletin 1969 v. 80, p. 2527-2538. [Abstract] [PDF]  

RODGER T FAILL

Kink Band Structures in the Valley and Ridge Province, Central Pennsylvania
Geological Society of America Bulletin 1969 v. 80, p. 2539-2550. [Abstract] [PDF]  

ROBERT C SPEED and ROBERT C JONES

Synorogenic Quartz Sandstone in the Jurassic Mobile Belt of Western Nevada: Boyer Ranch Formation
Geological Society of America Bulletin 1969 v. 80, p. 2551-2584. [Abstract] [PDF]  

C. McA POWELL

Intrusive Sandstone Dykes in the Siamo Slate near Negaunee, Michigan
Geological Society of America Bulletin 1969 v. 80, p. 2585-2594. [Abstract] [PDF]  

NOTE AND DISCUSSION:

C. L SAINSBURY

The A. J. Collier Thrust Belt of the Seward Peninsula, Alaska
Geological Society of America Bulletin 1969 v. 80, p. 2595-2596. [Abstract] [PDF]  

IAN McDOUGALL

Potassium-Argon Ages on Lavas of Kohala Volcano, Hawaii
Geological Society of America Bulletin 1969 v. 80, p. 2597-2600. [Abstract] [PDF]  

B. SCHREIBER CHARLOTTE

New Evidence Concerning the Age of the Hawaiian Ridge
Geological Society of America Bulletin 1969 v. 80, p. 2601-2604. [Abstract] [PDF]  

SAMBHUDAS CHAUDHURI and DOUGLAS G BROOKINS

The Rb-Sr Whole-Rock Age of the Stearns Shale (Lower Permian), Eastern Kansas, before and after Acid Leaching Experiments
Geological Society of America Bulletin 1969 v. 80, p. 2605-2610. [Abstract] [PDF]  

HOW-KIN WONG and EDWARD F. K ZARUDZKI

Thickness of Unconsolidated Sediments in the Eastern Mediterranean Sea
Geological Society of America Bulletin 1969 v. 80, p. 2611-2614. [Abstract] [PDF]  

R. T CANNON, D. A HOPKINS, E. C THATCHER, E. R PETERS, J KEMP, J. L GASKELL, and G. E RAY

Polyphase Deformation in the Mozambique Belt, Northern Malawi
Geological Society of America Bulletin 1969 v. 80, p. 2615-2622. [Abstract] [PDF]  

S MERCADO

Chemical Changes in Geothermal Well M-20, Cerro Prieto, Mexico
Geological Society of America Bulletin 1969 v. 80, p. 2623-2630. [Abstract] [PDF]  

M. DANE PICARD and J. B HULEN

Parting Lineation in Siltstone
Geological Society of America Bulletin 1969 v. 80, p. 2631-2636. [Abstract] [PDF]  

JUDITH FESSENDEN SCHOLTZ

The Beaver Creek Volcanics: A New Formation, Coconino-Yavapai Counties, Arizona
Geological Society of America Bulletin 1969 v. 80, p. 2637-2644. [Abstract] [PDF]  

DAVID L SOUTHWICK

A Note on the Occurrence of Kyanite and Chloritoid in Some Metaconglomerates in Maryland
Geological Society of America Bulletin 1969 v. 80, p. 2645-2652. [Abstract] [PDF]  

ROLLAND R REID

Scotsford's Metasomatic Augen Gneiss: An Additional Working Hypothesis
Geological Society of America Bulletin 1969 v. 80, p. 2653-2654. [Abstract] [PDF]  

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