136 XEW YORK STATE MUSEUM 



Some small pits were located by the writer after search in the 

 woods, but they had long been abandoned and from them few 

 details could be gathered. The rock in the vicinity was a basic, 

 liornblendic variety and was considered a derivative of the gabbros, 

 raising the question of titanium, but no analyses have been made. 



The Ross ore bed is in the easterly foot of Oak hill about a mile 

 north of New Russia. There is a lower opening and an upper, 

 perhaps 300 feet vertically higher up. The lower opening, believed 

 to be the Ross bed, exhibits streaks of magnetite in well foliated 

 liornblendic gneiss, while a hundred yards east and 75 feet below, 

 appears acidic gneiss, so that the familiar Mineville section is again 

 shown. 



The upper opening is in gneissoid gabbro with massive gabbro 

 near. It is a lean ore 4-5 feet thick striking northwest and dip- 

 ping at a flat angle to the west. An analysis of a sample by A\'. F. 

 Hillebrand gave the following [U. S. Geol. Sur. 19th An. Rep't 

 1899, 3:408]: 



TiO. 5-21 



FeO 22.81 



FesOa 3034 



SiO. 21. 42 



Al.O. : 7.C3 



Cr..03 ' none 



CaO 3-59 



MgO 6. 92 



K2O ■-■■■■ 041 



NasO 0.53 



H,0 095 



P2O5 014 



S ■ 004 



CI 0.42 



CO2 trace 



C trace 



Mn trace 



Total 99-8i 



Fe 33-98 



This ore is not very high in titanfum but it really belongs in the 

 group of the titaniferous magnetites w^hich will be taken up sep- 

 arately. It is curiously high in chlorin, leading one to suspect the 

 presence of scapolite, since the apatite is obviously too small to 

 care for it. 



Steele ore bed. Aside from the titaniferous magnetites this is 

 the one remaining occurrence met within the area. It is situated 



