Figure 53F. Glacon composed of 

 rotten ice (right foreground). 



Figure 53G. Flat glacon about 50 

 feet in diameter (center right). 



w- 



Figure 53H. Glacon which appears to have tilted about 

 90 degrees recently so the sediment is in a vertical plane. 

 The exposed honeycombed side shows evidence of melting 

 while exposed to the water. 



