THE MINING AND QUARRY INDUSTRY 



133 



The rapidly extending use of crushed stone for concrete, road 

 metal, etc. is one of the important factors in the development of 

 the quarry industry of the State. The quantity of crushed stone 

 made last year was 2,762,774 cubic yards, as compared with 

 2,224,000 cubic yards in 1904. The quantities reported as used 

 for road metal were 1,080,034 cubic yards in 1905 against 773,553 

 cubic yards in the preceding year. 



Production of stone in 1904 



Variety 



Building 

 stone 



Monumental 



Curbing 



and 

 flagging 



Crushed 

 stone 



All other 



Total 

 value 



Granite 



$89 300 

 248 647 

 278 994 

 637 607 

 a 



$11 262 



a 



$6 253 

 a 

 902 027 



$83 295 

 994 475 



a 



27 583 

 452 621 



$38 025 

 809 030 



45 104 

 329 480 



15 875 



$221 882 



2 104 095 



478 771 



I 896 697 



468 496 



Marble 



154 673 





Trap 













Total 



$1 254 548 



$165 935 



$908 280 



$1 557 974 



$1 237 504 



$5 169 941 



a Included under "All other" 



Production of stone in 1905 



Variety 



Building 

 stone 



Monumental 



Curbing 



and 

 flagging 



Crushed 

 stone 



All other 



Total 

 value 



Granite . . 



$139 414 



246 300 



571 810 



530 485 



a 



$10 431 



a 



$7 297 

 a 

 I 029 913 



$69 748 

 I 193 800 

 a 



37 406 

 601 669 



$34 362 

 964 059 



25 190 

 446 156 



21 550 



$253 955 







Marble 



177 557 



774 557 







Trap 





623 219 











Total 



$1 488 009 



$187 988 



$1 037 210 



$1 902 623 



$1 491 317 



$6 107 T47 



a Included under "All other." 



Granite 



The term granite, as here used, includes the crystalline rocks 

 generally, with the exception of trap or diabase which is treated by 

 itself. 



There are two principal areas where these rocks occur in New 

 York, the one being the Adirondack region and the other the lower 

 Hudson valley. Massive granites are much less important in both 

 areas than the banded or schistose types designated as gneisses and 

 schists ; they are sufficiently developed, however, to afford frequent 

 sites for quarries. At present most of the granite employed for 

 building, monumental and decorative purposes is brought in from 

 other states, as the local production is far from meeting the require- 

 ments. 



