24 



NEW YORK STATE MUSEUM 



CAYUGA 



NO. 



LOCAXITT 



SPECIES 



DESCRIPTION 



'11 



UnionlSprings 



gypsum 



selenite 







modified and twin crystals 



curved crystals 





dolomite 



quartz 





crystals 



CHAUTAUQUA 



The Devonian shales and sandstones which constitute .the rocka of this county do not include 



12 



13 



Ausable 



Arnold hill mines l^m. w. Ferrona ... 



14 



15 



18 



Cook mine Hm. e. Ferrona 



Winter mine 4^m. e. Ferrona. 



Black Brook 



Palmer hill mines l^m. n. Ausable I'orks 



Tremblay's mine l^m. w. Clayburg 



Bo wen & Signer's mine, Williamsb'g . , 



Chazy 



Chazy. 



Dannemora 

 Dannemora 



Chateaugay mines Lyon Mountain . 



^1 iLyon Mountain near Roger's field. 



magnetite , 



fluorite 



pjrrite . . . . 

 quartz . . . . 

 magnetite , 



calcite 



amphibole. 



oligoclase . . 

 magnetite . 



magnetite . 

 orthoclase . 

 magnetite . 



calcite. 



magnetite 



apatite . . . 

 pyroxene . 



CHEMUNG 



See Chautauqua 



CHENANGO 



See Chautauqua 



CMNTON 



mediimi fine crystalline, 

 purple and green 



red jasper 



medium fine crystalline 



sharp needle crystals, radiating . . 



crystals, dark green to black 



black fibrous hornblende 



in broadly striated cleavages 



coarse grained, 

 flesh-colored .. 



coarse crystalline ore 



roimded grains 



long, well formed crystals with 

 granular core 



