s^, 



/2 



Published monthly by the 



New York State Education Department 



BULLETIN 367 



FEBRUARY 1906 



New York State Museum 



John M. Clarke Director 

 Bulletin 100 



ECONOMIC GEOLOGY 14 



FIRE TESTS 



OF 



SOME NEW YORK BUILDING STONES 



BY 



W. E. McCOURT 



PAGE 



Introductory note 5 



Previous investigations of re- 

 fractoriness 6 



Effect of fire on stone. 9 



Tests 12 



Granites and gneisses 13 



Sandstones 14 



Limestones 1 5 



Marble 15 



PAGB 



Description of fire tests 16 



Granites and gneisses 17 



Sandstones 20 



Limestones 22 



Marble 24 



Summary 26 



Petrographic description of 



stones tested 29 



References 36 



Index 37 



MiS9ni-0s-2O0o 



ALBANY 



NEW YORK STATE EDUCATION DEPARTMENT 

 1906 



Price 15 cents 



