38 NEW YORK STATE MUSEUM 



further exploration. The site of the hole was chosen purely for 

 convenience, and the chances are very remote that the thickest por- 

 tion of the hed was encountered by the single test. The dis- 

 covery is thus of considerable potential importance. The ore was 

 sampled by taking a longitudinal section of the core and an analysis 

 by E. Touceda gave the following percentages. 



Fe^Og 48.71 



SiOs 9-69 



Ti02 244 



AI2O3 3.21 



MnO tr. 



CaO 13.8 



MgO 4.23 



SO3 . 141 



P2O, 2.38" 



CO2 15.45 



H2O (combined) 2 . 33 



100. 185 



Iron 34.1 



Phosphorus i . 038 



Lakeport, Madison co. The site of this drill hole is ij/^ miles 

 northeast of Lakeport on the farm of Robert Cowen. The drill 

 was placed near the spring south of the highway, a little more 

 than %. mile distant from the shore of Oneida lake. 



SECTION AT LAKEPORT 



Strata 



Drift 



Limestone 



Shale 



Limestone 



Shale 



From 

 Feet Inches 



50 



67 



To 

 Feet Inches 



7 

 2 1 



67 

 129 



Character 



This is a dolomitic limestone 

 representing the basal Lockport. 



Fossil shale — Rochester hori- 

 zon. 



Limestone with considerable 

 shale. Six inches of lean fossil ore 

 at 66. Other traces of ore in the 

 limestone. 



Alternating layers of dark, 

 light and mottled shales with 

 considerable amount of light fine 

 grained calcareous sandstone. 



