Guidebook

AGC/AGS Series Guidebook
Number Series GB 78-1
Title A Guidebook to the Atoka Formation in Arkansas
Author (s) W.V. Bush, B.R. Haley, C.G. Stone and J.D. McFarland, III
Date 1978 (Prepared for the South-Central Section, GSA, March, 1978)
General Description

This report provides geologic information on the Atoka Formation in Arkansas. The route is divided covers two days. It starts at Fayetteville in Washington County and ends the first day at Fort Smith in Sebastian County, going from the Ozarks to the Arkansas Valley. The second day extends from Fort Smith to south of Waldron in Scott County, going from the Arkansas Valley to the Ouachita Mountains. There are a total of 19 stops in the two-day trip.

The guidebook includes:

  • Index road maps for each day
  • Road log to field-trip sites
  • Correlation chart of Carboniferous rocks in the Ozarks, Arkansas Valley, and Ouachita Mountains regions
  • General lithologic description of units
  • Site maps for 19 stops
  • Thirty-six black and white photographs of rock outcrops at sites
  • Structural cross section illustrating Atokan sedimentary wedge deposition on downthrown side of normal faults, Sebastian County
  • Analysis of coal from the Great Western coal mine

*Includes: 62 pages, 17 plates, 43 figures
Availability Yes. Paper copy or free download.
Price A paper copy is $5.00 or download it for free.
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Online Version

Guidebook 78-1 PDF (28.6 MB)