PETROLEUM AND NATURAL GAS IN NEW YORK 



471 



1 



Silicious residue 16 . 00 



Alumina and iron oxid 3.30 



Calcium carbonate 74 . 17 



Magnesium carbonate 5 . 26 



Organic matter, by difference 1.27 



Total 100.00 



2 



Analysis of that 

 Total ultimate portion insoluble 



analysis in H 2 S0 4 & 



Na 2 3 



Silica . 34.94 21.62 



Alumina, 10.77) • „~ 



Ferric oxid 2 . 07 1 



Lime carbonate 43 . 80 .14 



Magnesium carbonate 4.22 .16 



Potash 2.15 1.06 



Soda 1.91 



Combined water . 47 



Manganese , trace 



Total , 100.33 23.65 



Q 



u , Analysis of that 



Total ultimate portion insoluble 



analysis in H 2 S0 4 & 



Na 2 C0 3 



Silica : 51.89 30.36 



Alumina 18.84) 



Ferric oxid 3 . 27 ) 



Lime carbonate 7 . 41 .20 



Magnesium carbonate 2 . 87 .28 



Potash 2.80 .89 



Soda 2.53 



T • ... C0 2 ) J 10.39 



Loss on ignition, » , \ 



H 3 ) ( (by difference) 



Manganese trace 



Total 100.00 32.71 



The most productive portion of the Trenton, in the judgment 

 of drillers who have done the most work in the new fields, is 

 the highly fossiliferous beds. Mr C. W. Vroman, for example, 



