216 



Analyses of Salem liiiiestoiie: 

 Sample 1 from Adams quarry-- 



Fcei. 



Residue insoluble in acid 41 



Lime (CaO) 52.7(; 



Magnesia (MgO) 1.04 



Carbon dioxide (C0„) 43.80 



Alumina and ferric oxide (ALO;,, Fe^Oj) 1.57 



SO; OC 



Total 99.67 



Sample 2. .Tohnson quarry. liloomingtou— 



Feet. 



Residue insoluble in acid 77 



Lime (CaO) -. r>4.(j7 



Magnesia (MgO) (50 



Carljon dioxide (COj 4:5.04 



Alumina and ferric oxide (Al.O^,. Fe.O:,) 42 



Phosphorus peroxide (P.On,) 19 



SO, 19 



Total 99.88 



For exhaustive treatment of the Salem (Bedford) limestone the reader 

 Is referred to Siebenthal's article already mentioned. 



THE GLACLIL DEPOSITS. 



The glacial deposits, so far as the writer's observations extend are: 

 Glacial till, outwash and eolian deposits, ))ench or terrace deposits and 

 delta deposits. 



GLACIAL TILL. 



The drift deposit was first ol)served on .Tack's Defeat Creek in the 

 neighborhood of the old Dutch church. From there it continues in a north- 

 easterly direction, crossing Beau Blossom Creek near the mouth of Cam- 

 den Branch. According to Siebenthal's description* it then bends south 

 of Lost Ridge, near the mouth of Indian Creek, and follows the course 



■^21stQeol.Rep Iml. \>.?m. 



