FORK g i a l l M U8EUM 



quarries have been opened in it near Rondout, Ed- 



i Wniteport The lime made from it is 1 quality, 



lumpy but Blightlv brown in color. The Becraft limestone ex- 



m of the county from north to south. 

 It i- well S and Rondoul and about 



ad Whiteport, but of it are rare souths 



this lal pt at Mill Hook and High 



analysis were collected from the quarry of the 

 vnrk cement co. at Rondout, and the av< ve: 



3.87 



ric oxid 1.34 



Alumina 1.07 



Lime 54.11 



Magnesia tr. 



Carbon diuxid 40 . 6 



100.99 



Aip ther Bet of samph m the quarry of B. Turner near 



Wilbur gave: 



7.1 



. 2.5 



oxid 1.65 



45.22 



tr. 



a dioxid 39.1 



D5.57 



Penl -'^\o member of the Lower Helderl 



in D - mty, is a hard, dark blue or lead colored, massive 



Nol infrequently it is somewhat cherty. Its hard 



bough character frequently causes it to give ri.se to cliffs. 



of this rock occur in the cliffs at Rosendale, about 



. Dear Eddyville and along the eastern face of the 



