This 3-day field trip guidebook is a guide to the structure and stratigraphy of the major mapped units in the central and southern Ouachita Mountains of Arkansas. It includes numerous foldout geologic maps, cross-sections, and photographs pertinent to the 22 described stops. There is also an extensive bibliography of Ouachita geology references. Contributed papers include:

Contributed papers include:

• Summary of the geology of the central and southern Ouachita Mountains, Arkansas, by C.G. Stone and W. V. Bush, p. 65-75.
• A structural cross section through the Ouachita Mountains of western Arkansas, by J. K. Arbenz, p. 76-85.
• Cocorp reflection profiles across the Ouachita Mountains, by R. J. Lillie, K. D. Nelson, Beatrice deVoogd, J. E. Oliver, L. D. Brown, and Sidney Kaufman, p.86-92.
• Conodonts from Ordovician rocks, Ouachita Mountains, Arkansas, by R. L. Ethington, p.93-98.
• Paleomagnetic measurements in the eastern Ouachita Mountains, Arkansas, by D. L. Smith and D. T. Jenkins, p. 99-110.
• Geometry and origin of folds and faults in the Arkansas Novaculite at Caddo Gap, by Jay Zimmerman, p. 111-115.
• Southern source for upper Jackfork Sandstone, Ouachita Mountains, Arkansas, by M. R. Owen, p. 116-122.
• U-Pb zircon ages of granitic boulders in the Ordovician Blakely Sandstone, Arkansas and implications for their provenance, by S. A. Bowring, p. 123.
• Barite in the western Ouachita Mountains, Arkansas, by A. W. Mitchell, p. 124-131.

*Includes: 131 pages, 23 plates, 42 figures, 4 tables

Guidebook 84-2 (12.3 MB)

Guidebook 84-2 Map (616 KB)