ii6 



SOMERS: MICROSCOPIC EXAMINATION OF CLAYS 



Flint clay, Owensville, Mo., Sassman 

 pit 



Flint clay, Hofflins, Mo., Cox pit 



Flint clay, Hofflins, Mo., Cox pit 



Flint clay, Owensville, Mo., Connell pit 



Flint clay. Rosebud, Mo., Toelke and 

 Heidel pit 



Diaspora clay. Rosebud, Mo., Brown 

 pit 



Diaspora clay, Owensville, Mo., Con- 

 nell pit 



Diaspora clay, Rosebud, Mo., Brown 

 pit 



Diaspora clay, Owensville, Mo., Sass- 

 man pit 



Diaspore clay, Owensville, Mo., Con- 

 nell pit 

 Lower Cretaceous 



White clay, Gordon, Ga., upper bed, 

 Col. Kaol. and Alum. Co. 



Nodular clay, Gordon, Ga., upper bed, 

 Col. Kaol. and Alum. Co. 



White clay. Dry Branch, Ga., crude, 

 Amer. Clay Co. 



White clay. Dry Branch, Ga., washed, 

 Amer. Clay Co. 



Allendale, S. Ca., Box pit 



Abbeville, S. Ca., Hill pit 



White clay, S. W. of Trenton, S. Ca. 



Bath, vS. Ca. McNamee Kn. Co., i 



Bath, S. Ca. McNamee Kn., Co., 2 



White clay, Langley, S. Ca. 



White clay, Langle3% S. Ca. 

 Upper Cretaceous 



Rayflin, S. Ca., Edisto Kaohn Co. 



White clay, Aiken, S. Ca. 

 Ripley 



White clay, Perry, Ga., Houston KaoHn 

 Co. 



White part of mottled clay, Perry, Ga., 

 Houston Kaolin Co. 



Red part of mottled clay. Perry, Ga., 

 Houston Kaolin Co. 



Sagger clay, Hollow Rock, Tann. 



Sagger clay. Hollow Rock, Tenn. 



Lignitic clay, India, Tenn. 



Brown sandy clay, E. Paris, Currier pit 



Dark clay, E- of Paris, Currier pit 



c 

 c 



c? 

 c 



M 

 VA 



A 

 A 

 A'' 



'^ Stained with hematite. 



