INDEX. 



461 



St. Croix River, Authorities on geology of, 240. 



, Contact "t Potsdam sandstone and Keweenaw Series 



on, 236-238. 



, Diabase exposures on, 113. 



, Lower Division on, 159. 



, Prospects for copper on, 428. 



. Relation of rocks of, to Keweenaw Point rooks, 289- 



241. 



, Sandstone of, 243, 411,443, 144. 



, Termination of Lake Superior synclinal on, 411, 412, 



414. 



, Upper Division on, 153. 



Saint Lonls River Gabbros, 100,208-275. 



, Angllc-sycnite of, 270. 



at Brnlo Lake, 274, 275, 294. 



, Charaoteri&tics of, 2GG. 



on Cloquet River, 208, 209, 272. 



, Dip of, 269. 



at Dulnth. 269-272. 



Eagle Mountain, 273. 



, Extent of, 268. 



, Felsitio porphyry of, 271, 272. 



Saint Louis River, Aniroikie Group on, 202, 3S4, 112. 



, Dikes of, 384. 



, Gabbro of, 263. See Saint Louis Kiver Gabbros. 



, Sandstones of, 262. 



Sand Point, 178. 



Sandstone of Animikie Group. See Animikie Group. 



— . Cambrian. See Cambrian. 



— , Eastern. See Eastern Sandstone. 



— , Kewceuawan, 127-133, 420. 



of Agate Bay Group, 292, 293. 



Albany and Boston Conglomerate, 130. 



Atlantic Mill, 130, 192. 



Bad River, 132,227,233. 



Batcbewanung Bay, 348. 



Black Bay, 24, 128, 156, 333, 336, 337. 



Cape Choyye, 347. 



Calnmet Conglomerate, 130. 



Caribou Point, 328. 



Carp River, 132. 



Constituents of, 127, li8. 



of Copper Falls, 129. 130, 171. 



, Copper in, 420. 



of Eagle Harbor, 128. 



Eagle River Section, 169, 171. 



Good Harbor Bay, 329. 



Isle Royale, 331. 



Lester River, 292. 



Montreal River, 133, 225, 404. 



Nipigon Bay, 333, 336. 



Lake, 24, 339, 340. 



Nonesuch Mine, 131, 132, 22L 



, Nonesuch sandstone belt, 221-224. 



of Ontonagon River, 199, 200. 



Pointe aux Mines, 347. 



Porcupine Mountains, 132,215-217, 220, 221. 



Portage Entry, 193. 



, West of, 200. 



Lake, 192,193. 



St. Croix River, 246-250. 



Silver Islet Landing, 133, 37a 



Temperance River, 3£5. 



Thunder Bay, 156, 157, 333, 376, 377, 411. 



_. Upper Division, 152-154. 



, Veins of, in diabase, 139, 140, 292, 293. 



of White River, 233. 



— , " M> tamorphic.' 

 — , Nonesuch licit, i 

 — , Western. />■ 

 Saull st,.. Marie, 418. 



Mountains, 142. 

 Schist*, shales, and slates, uf B 



.Grand Portage Bay, 247, 801 



— , Gunllint Lai 



Xnm 



Lucille Islands, 309. 



-— Mesabi I 



Mil l .400. 



Mission Creek, 262. 



Nipigon La i 



Pigeon 



Poki 188,384 



Rainy Lake, 897. 



— Red R 



Saganaga Lab 



St. Louis Rivet. 262, 384. 



Slate Island 



Thomp 



Thundi i 



Wan ',368. 



5a Animikie, Hi Lan.H ooli Porcupine Mts. 



I. I., 441, 442, 443. 

 Section of Animikie Group (Bell), 380. 

 288-290. 

 »2. 

 Eagle River, 177, 178. 



— of Uuronian (Logan), 886-388. 



— mi Keweenan Point, 186, 1-7. 

 of Lake Superior Basin, 417,418. 



— on Minnesota Coast, 266 

 Montreal River, 



Ontonagon Section, 19.*-20L 



— , Penokee Hnronian, 391, 392. 

 - on Portage Laki . 194 I S. 



Potato River, 230, 231. 



Snake River, 212. 



Split Rock River, 301-303. 



Temperance River Group, 328. 



Thunder Bay ( Bell), 332. 



T. 60, 11. 2, \\ 



Selwyn, A. R. C.,ou Michipicoten Island, Specimens fn.m, 4, 



342. 

 — , Publication of, 23. 

 Shales. See Sandstone schists. 

 Shumard, B. F., Publication of, 17. 

 Silver Creek. Diabase -porphyrito of, 80,84. 



, Oliviue-diabase of, 70. 



. See Encampment Bluff. 



Silver Islet, Dikes of, 378. 



. Slates of. 331. 



Silvi i Islet Landing, Dikes of, 377. 



, Sandstone of, 133,37a 



Silver Mountain, 202, 203. 



Simpson's Island, Saudstono of, 336. 



Slate Islands, 401. 



Slates. flasSohists. 



'• Slide, The," of Eagle River, 175. 



Snake River, Chamberlin on rocks of, 242, 243. 



, Conclusions regarding rocks of, 245, 246, 412. 



, Sandstone of, 240. 



See Kettle River. 



