446 W. F. PROUTY CRYSTALLINE MARBLES OF ALABAMA 



/ ' =fe — 



CM 



/ 



J 



Figure 10. — Diagrammatic representation of a Slab of Marble taken from, Block at 

 right Angles to the bedding Plane 



The faults show a displacement on the surface of the block of from one-half to three- 

 fourths of an inch. Within 16 inches of the surface all sign of faulting has disap- 

 peared. 



CROSS-SECTIONS OF FIELD 



There has not been sufficient prospecting within the marble field to 

 establish the maximum thickness of the marble deposits. In the neigh- 

 borhood of Gantts Quarry, where most prospecting with the drill has 



been done, the following section (figure 11) has been recorded: 



s. E. 

 /oeo 



Figure 11. — Cross-section through Marble Valley at right Angles to Strike 



1. Dolomite. 2. Probably dolomite and marble. 3. White marble, 175 feet thick. 

 Gantts Quarry in this layer. 4. Blue low-grade marble ; too poor to work ; 75 feet. 

 5. Mostly white marble, 225 feet. 6. Not prospected, but probably dolomite and marble. 

 7. Talladega phyllite. 



About three-quarters of a mile to the northeast of Gantts Quarry the 

 following section (figure 12) holds: 



N. W. 



looo' 



Figure 12. — Section through Marble Valley at right Angles to Strike 



1. Dolomite. 2. White marble, Moretti-Harrah Marble Company's Quarry here. 3. 

 Marble, with considerable schist and pyrite ; not workable. 4. The lower 70 feet good 

 marble ; the rest is probably largely marble. 5. Dolomite, with some marble. 6. Un- 

 prospected ; probably some marble. 7. Talladega phyllite- 



