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Pine Mountain District

Piedmont Province

Southern Piedmont Section

Midland Georgia Subsection

Pine Mountain District

The portion of this district known as Pine-Oak Mountain has a lenticular form extending from the Alabama border to near Barnesville. Quartzite caps Pine-Oak Mountain and the adjacent ridges. These ridges rise abruptly from the Greenville Slope District to elevations of 1200-1300 feet. In the eastern part of Pine Mountain, the Flint river has cut a deep, narrow gorge some 300-400 feet below the summit. South of the Pine-Oak Mountain portion of this district, the surface slopes gently from 800 feet elevation to approximately 500 feet at its southern edge. Relief in this portion generally varies from 50-150 feet. The southern boundary, known as the Fall Line, follows the contact between the metamorphic rocks of the Piedmont and the sediments of the Coastal Plain.

Source: William Z. Clark, Jr. and Arnold C. Zisa, Physiographic Map of Georgia (Atlanta: Georgia Department of Natural Resources, 1976).