INDEX. 



537 



Page 

 Campbell, Morrell & Co., clay of,.... 374 

 Canandaigua, N. Y., analysis clay 



from, 51 



Cape May formation, clays in, 130-132 



Cumberland count}', 413-417 



localities, 131 



mica in, 44 



origin of, 130 



physical properties of, 346-348 



quartz pebbles in, 43 



Cape May county, clays of, 406, 407 



clay-working industry of, .... 407 



Carmel, clays at, 412 



C. C. ware, value in 1902, 309 



Ceramics, School of, New Brunswick, 293 

 Chaser mills, pottery manufacture,... 297 

 Cheesequake creek, shaft mining along, 32 



Chemical analysis of clays, 49 _ 53 



list of, 51, 221, 281, 296, 297, 



3i5, 3i9, 320, 327, 333, 440, 441, 

 443, 469, Appendix C. 

 Chemical changes in clay deposits,... 20 



Chemical composition, fire clay, 311 



fireprobfing clays, 281 



Chemical properties of clay, 39-80 



China, burning of, 300 



glazing of, 302 



value in 1902, 309 



Chlorite, source of magnesia, 64 



Clark, Dr. W. B., 151, 153, 157 



Clarke, F. YY\, 40 



Clarksboro, clay near, 421 



Clarksville, clay near, 430 



Classification of clays, based on fusi- 

 bility, 100 



based on uses, 214 



Clay, adaptability for working, 29 



Alloway, 142 



analyses, different types, 51 



list of, Appendix C 



Asbury 145 



burning of, 63, 93—100 



calcite in, 47 



Cambrian, 207 



Cape May, 130 



chemical analysis of, 49— 53 



chemical changes in 20 



chemical properties of, 39-80 



classification based on fusi- 

 bility, 100 



based on uses, 214 



colluvial, 7 



compounds in, S3 



concretions in, 23 



consolidation of, 22 



Cretaceous, 149-203 



definition of, 3 



deposits by counties, 367-508 



determination of extent, 27 



determination of thickness,.. 27 



Clay — Continued. Page 



Devonian, 206 



discoloration of, 20 



distribution of, geological,... 119 



dolomite in, 48 



drift or bowlder, 13 



earthenware, 294 



economic description of,. . .343, 367 



estuarine, u 



exploitation of, 27 



faulting of, 15 



feldspar in 43 



flood-plain, 12 



folding of, 14 



garnet in, 48 



geological distribution of,.... 119 



glacial, 124 



glauconite in., 46 



gypsum in, 48, 62 



haulage of, 36 



hematite in, 45 



hornblende in 48 



iron crusts in, 22 



iron ores in, 44 



kaolinite in, 46 



lake, 12 



leaching of, 22 



lime in, 59, 64 



lime-bearing silicates in, effect 



of, 62 



lime carbonate in, effect of,. . 60 



limonite in, 45 



magnetite in, 45 



marine, 1 1 



marl in, 48 



mechanical changes in, 14 



mica in, 44 



micaceous 144 



minerals in, 40 



miners, list of, 342 



mining, amount of, 340 



areas, 336-339 



Delaware river area, 339 



industry, 335~342 



methods, 30-36, 339 



Middlesex county, 336-338 



Trenton area, 339 



Woodmansie area, 339 



occurrence of, 3—24 



organic matter in, y^ 



origin of, 4 



Pensauken, 133 



physical properties of, 81 



Pleistocene, 123 



porcelain, 296 



Post-Pleistocene, 120 



Pre-Cambrian, 208 



preparation for market; 36 



production, statistics of, ... 509-512 



prospecting for, 25 



pyrite in, 46 



