R. 17 W. 



t- If L. 1 ft 



-, V r v B 



Fig. 16.4. Geologic map of Magnet Cove, Arkansas. Reproduced from Bucher, 1933; after Landes, 1931. 

 1, Pleistocene (T, tufa); 2, sandstone and shale (Mississippian); 3, novaculite (Devonian); 4, metamorphosed 

 sandstone and shale; 5, metamorphosed limestone; 6, igneous rocks (M, magnetite). 



