INDEX TO QUARRY MATERIALS OF NEW YORK 



211 



Marbles, general character, 176; ge- 

 ology, 181-82 ; in Adirondacks, 182- 

 193; mineral constituents, 177; 

 nonmetamorphic, 203 ; physical 

 properties, 181; texture, 178; 

 weathering qualities, 179; in High- 

 lands Taconic area, 193-203 



Mayfield, pegmatite, 168 



Medina sandstone, 55, 56; permeabil- 

 ity, 42 



Merrill, G. P., cited, 99, 205 



Microscopic examination of rocks, 

 36-38 



Millstone Hill quarry, 119 



Mineral composition, 25 



Mohegan granite, 112 



Mohegan Granite Company, quarries, 

 I 13-18 



Moore quarry, 93 



Mount Adam quarries, 139 



Mount Defiance quarry, 165 



Mount Eve quarries, 139 



Natural Bridge, crystalline lime- 

 stone, 193 



Natural cement, manufacture, 9 



Newark shales, 57 



Niagara formations, 56 



Niagara limestone, permeability, 42 



Nichols quarry, 135 



Northern New York Marble Com- 

 pany, quarries, 190 



Oneida conglomerate, 56 

 Onondaga limestone, 56 

 Ophicalcite, 205 

 Orange county, granite and gneiss in, 



138; Pegmatitic granite in, 143 

 Oriskany sandstone, 56 

 Ossining, marble, 200 

 Oswego sandstone, 55 



Palisades diabase. 151-52 



Parishville red granite, 89 



Parks, cited, 2^^ 42 



Peekskill, magnesian limestone, 199 



Peekskill granite, 112 



Pegmatite, 66-68; local distribution, 



160-75 ; occurrence, 154-60 ; uses 



of, 158 



Penfield Pond, pegmatite, 164 



Perri quarry, 126 



Physical tests of stone, 39 



Picton Island Red Granite Company, 

 quarry, 74-77 



Plattsburg, marble, 204 



Pleasantville, marble, 200 



Pochuck Mountain quarries, 141 



Porosity, 41 



Port Richmond, diabase, 153 



Potsdam sandstone, 28, 54; perme- 

 ability, 42 



Poughquag quartzite, 53 



Prospect Hill quarries, 98 



Quarry industry, development, 8-1 1 

 Quartzites, 15, 27 



Ramapo, Granite near, 138 



Reilly quarry, 134 



Resistance to fire, 45 



Ries, H., cited, 8 



Rift, 22 



Roberts quarry, 120 



Rochester shale, 56 



Rocks, absorption, 42 ; origin and 



classification, 12-24 

 Roe's quarry, 163 

 Rondout limestone, 56 

 Rosiwal. August, cited, 27 

 Round Island granite, iii 

 Rowland property, 169 

 Russo quarry, 127 

 Rylestone quarry, 191 



St. Lawrence Company, quarries, 

 188 



St Lawrence River granites, 69-74 



Sandstones, 15, 21, 27; chemical an- 

 alysis, 24 



Saratoga Trap Rock Company, 

 quarry, 148 



Schists, 15, 64-65 



Scott property, 171 



Serpentine, 15, 65 



Serpentinous marbles, 205 



Shales, 15, 27 



Shawangunk mountains, 57 



Smock, John C, cited, 7, 39, 71, 180 



Smyth, C. H. jr, cited, 82, 87, 183 



