XX 



ANALYTICAL KEY. 



priority of iron ore over quartz, 1961. 



schistose, 895. 



slaty, 385. 



varying to graywaeke, 2126. 



with coarse quartz. 1567. 



" epidote, 2182. 



" magnetite, 900. 



" poikilitic quartz, 2279. 



" siuVrite, 903, 907, 1556, 1559, 1572. 



" veins, 902, 2182. 



KAOLIN, 1449. 



KERATOPHYKE, 686, 1876. 

 analysis, 285. 

 with quartz, 285. 



KKHSANTYTE, 2178, 22G1. 

 LAVA SAND, 2138. 



LIMESTONE, sideritic, 312. 

 analysis, 312. 

 siliceous, 746, 7(30. 1371. 

 with tuff, 1310. 



MARBLE, 1069, 1371, 1681, 1792. 

 MELAPHYRE, 650. 



MICA SCHIST, 2061, 8M. 



subgranitized, 14!!i;> [. 



MICROPEGMATYTE, in aporhyolyte, 42. 

 in diorytc, '21120. 

 " granite, IB. 



MICROPERTHITE, 1034, 1039, 1980, 1986, 2078. 



MrscovADVTE. 705. 983, 1287, 1341. 

 and quartzyte, 1309, 40GH. 

 ferruginous, 976. 

 included in gabbro, 847G. 

 matrix of an altered conglomerate, 740G. 

 product of gabbro, 2197, 2203. 

 transition to gabbro, 983, 984, 2201-2203, 847G. 

 use of term, 1781. 

 with hypersthene, 1037, 1784. 

 " poikilitic biotite, 740G. 



NORYTE, granulitic, 983. 

 muscovadyte, 705. 



with olivine, 505H. 



PKGMATYTE, 636, 940, 965A. 

 in gabbro, 1891, 1997. 



PERIDOTYTE, 1041, 1336, 1343, 1365, 2199. 

 PORODYTE, 381, 753. 



PORPHYREL, 311, 1297, 2268, 766G. 



conglomeratic, 1769, 2170, 2260. 



sheared, 2102. 



transitition to form granite, 1061, 1062, 1769, 



2189, 2266, 2268, 551G, 776G. 

 tuff, 2171. 



PORPHYRY, transition to form granite, 1061, 1094, 776G- 



777(a)G. 

 sec porphyryte and porphyrel. 



PORPHYRYTE, 7BC, 649, 682. 

 analysis, 751. 

 diabasic, 11, 60, 796,798. 



intrusive in black slate, 766G. 

 with augite, 751. 



" hornblende, 751. 

 esterellyte, 2180. 



PsKUDAMYGDALOID, 1847. 



PYROXENYTE, 1456 (?), 402H, 406H. 

 QUARTZ-FELDSPAR SCHIST, 1729, 1730, 1731, 2017, 2161. 

 QUARTZ SCHIST, 2056, 2162. 



QUARTZ-PORPHYRY, 311, 783, 784, 1025A, 2010, 2229, 



2275. 



analysis, 417G. 



apparently fragmental, 2237. 



cutting greenstone, 2095, 2096. 



gradation to granite, 1061, 1094, 776G-777(a)G. 



granitic, '227(>. 



in diabase. 117. 



oceanic precipitate, 2237. 



passing to gray wacke. 22'.'<2. 



sheared, 375, 387, 1279. 



with fragmental structure, C237. 

 " hornblende, 913. 

 " sphene, 2229. 



see under aporhyolyte. 

 QUARTZ KERATOPHYRE, analysis, 285. 



QUARTZYTE, 262. 



analysis, 262. 



and muscovadyte, 1309. 



chalceilonie, 20 K 



contact with gabbro. 1827. 2055. 



gradation to granite. CiHi. 7SI, 1724, 1839, 1840, 



1852 ]S5I, 436H. 



metamorphosed, 608, a>9, 612, 618. 

 spotted, 831. 1841A. 1526. 1811A, 1842. 

 with actinolite, 1327. 



" ash, 1521 1. 205S. 



" chalcedony cement, 862. 



" devitrifled glass, 205S. 



" fayalite, 1343. 



" garnet, 1895. 



" glauconite, 1633. 



" graphite, 270, 552. 



" hypersthene, 618, 1364. 



" imperfect quartz crystals, 264. 



" pyroxene. 760, 1339, 1340, 1343, 1364. 



" quartz enlargements, 256H. 



" siderite, 16,33, 1724. 



RKDROCK, see under granite, aporhyolyte, etc. 



RHYOLYTE, 666. 



SANDSTONE, pyroclastic, 30, 72. 



SCHIST, black, 864. 



gradation from granite, 1046, 1051, 1052, 1092, 



1104. 



green, 1059, 1060, 1128. 

 knotted, 864. 



with actinolite, 348, 1115, 1628. 

 " biotite, 412, 420. Will. 8M. 



.vith mica. 

 " calcite, 743. 

 " chlorite, 379, 869, 22H. 

 " cordierite, 1039, 1708, 2055, 370H. 

 " cummingtonite, 950, 957. 



