Arkansas

Magazine Mountain
       7½’ quadrangle: Magazine Mt., AR
       Logan County
       Ozark National Forest        Boston Mountains, Ozark Plateau

Sedimentary
2,753 ft (839 m)

Bedrock: Hartshorne Formation Lower Pennsylvanian

Sandstone and sandy shale, brown or yellowish-brown to white. Horizontal layers form a mesa-like plateau. Rocks of similar age south of the Arkansas River Basin, in the Ouachita Mountains, are much more deformed due to collision of a land mass with Laurentia in late Paleozoic time. Signal Hill is the highest point on the mountain. Ross Hollow Overlook provides distant views and also a close look at cliffs of bedrock.

Soil Series: Mountainburg gravelly fine sandy loam. Moderately deep, well drained, gently sloping, strongly leached, acidic soil developed on sandstone under mixed pines and hardwoods and understory of tall grasses. Xeric, stunted forest.

Selected References:

  • Cohoon, Richard R. and Victor K. Vere, 1988, The Blue Mountain Dam and Magazine Mountain, in Hayward, O.T., Editor: Geological Society of America Centennial Field Guide, South-Central Section, v.4, p.243-248.
  • Eardley, A.J., 1951, Structural Geology of North America: Harper & Bros., New York.
  • Garner, Bill A. and others, 1980, Soil Survey of Logan County, Arkansas: U.S. Soil Conservation Service.

Other suggested sources of information:


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