ROCKS AND MINERAI.S OF UNITED STATES, 287 



^ ^ r J M i ^ great variety of vegetable organic 



^ ^^^^ ^ remains ; iron ore in large quantities, &c. 



r nr n r t ( xinthracite, plumbago, different ores 

 1 Millstone hrrit. , ^^.^^^^ epidote, zoisite, asbestos, cop- 

 o Old Red Sandstone. adalaria, quartz, sulphate, fluale 



•S { Gm^^cke. y^^^ carbonate of lime. 



§ j Transition or Mountain i Ores of lead, zinc, copper, gold 

 ^ ! Limestone. < quartz crystals, calcareous spar. 



\_ Argillaceous Slate. ( &c. 



f Magnetic oxide and hydrate ofiron, iron 

 ' I pyrites, copper, white augite, scapolite, 



Primitive Lirrie^ / tremoiite, graphite, argentine, sphene, 

 stone. spinelle, magnesia, molybdena, epidote, 



I garnet, satin and rhomb spar, actynO' 

 . 1^ lite, phosphate of lime, serpentine, &c. 

 ( Brown hematite, iron pyrites, horn 

 Quartz Rock. < blende, chalcedony, hornstone, jasper, fer^ 

 ( ruginous quartz, quartz crystals, &c. 

 f Calcareous spar, alum, phosphate of lime 

 I fluate of hme, amianthus, different varieties 

 I of quartz, manganese, the ores of iron, lead 

 Mica Slate.'^ zinc, titanium, sulphur, anthracite, sappare 

 staurotide, garnet, epidote, zoisite, idocrase, 

 I stilbite, analcime, chabasie, schorl, horn- 

 ^ j I, blende, emerald, cyanite, &c. 



B ( Native gold, blue and green carbonate of 



£ 1 copper, ores of iron, native magnet, manga- 



Talcose Slate. '{ nese. arsenic, titanium, tremoiite, asbestos, 

 i hornblende, actynolite, bitter spar, yenite, 

 molybdenum, &c. 

 ( Amianihus, asbestos, actynolite, chalcedony 

 Serpentine. < garnet, steatite, talc, quartz, magnetic iron 

 ( chrysoprase, &c. 



f Red oxide, titanium, sphene, feld 

 TT LI J cfi ^ ) spar, epidote, arsenical cobalt, garnet 

 Hornblende Slate. < ^^^^^^ ^^.icaceous oxide of iron, pyrites 

 * \of iron, &c. 

 f Graphite, epidote, ores of iron, molybdena, 

 I schorl, garnet, hornblende, actynolite, beryl, zir- 

 Gneiss. { con, chrysoberyl, talc, adularia, copper, titanium, 

 j quartz, amethyst, chalcedony, feldspar, steatite. 

 V. serpentine, alum, stilbite, emerald. 



V 



