SOMERS: MICROSCOPIC EXAMINATION OF CLAYS 



115 



From Oriskany shales, limestones and 

 sandstones 

 Kunkletown, Pa., disintegrated quartz- 



ite 

 Kunkletown, Pa., clay with quartzite 

 Kunkletown, Pa., clay with quartzite, 



washed 

 Saylorsburg, Pa., Crude No. i 

 Saylorsburg, Pa., Crude No. 2 

 Saylorsbiu-g, Pa. washed 

 Saylorsburg, Pa., Crude, Cement 



Company's mine 

 Shirley sburg, Pa. 



Miscellaneous Residual Clays 

 Bauxite, Ark., banded clay under 



bauxite 

 Bauxite, Ark., white clay under 



bauxite 

 (Both have some large flakes of mica) 

 Oreana, Nev., Pitt-Rowland deposit 

 Lovelocks, Nev., Adamson-Dickson de 



posit 

 Beatty, Nev., Bond-Marks deposit 

 Antioch, Calif. 



Fort Payne, Ala., Brower Mine 

 Fort Payne, Ala., Cochrane pit. Sili 



ceous bauxite 

 Fort Payne, Ala., Cochrane pit, bauxite 

 Bynum, Ala., Kraus pit, white clay 

 Bynum, Ala., Kraus pit, black clay 

 Sedimentary Clays 

 Carboniferous 



Cheltenham Clay, St. Louis dis.. Mo. 

 Raw washed pot clay, LaClede-Christy 

 Weathered pot clay, LaClede-Christy 

 Fire-brick clay, LaClede-Christy 

 Selected crude clay, LaClede-Christy 

 Weathered pot clay, Highland Clay Co. 

 Washed pot clay. Highland Clay Co. 

 Indianaite, Huron district, Indiana 

 Earthy white clay 

 Massive white clay 

 FHnt Clay district, Central Missouri 

 Plastic clay. Bland, Mo. 

 White clay, Owensville, Mo... Sassman 



pit 

 Red clay, Owensville, Mo., Sassman pit 



s 

 s 



s 



s 



VA 



M? 



A 



VA 



C 

 A 



C 



C 



'^ Probably mostly sericite. 



