IRELAND — IVES 95 



Page 



Ireland, Reference to glaciation in 7, 28 



— , Reference to mammoths of 9, 381 



Iron ores, Origin of ,3, 47 



(Tertiary) of Arkansas and Texas ; R. A. F. Penrose, Jr 3," 44 



Iron mountain, Ores of 2, 219 



Iroquois beach. Section of the 6, 108 



, "Warping of 10, 168 



gravels, Occurrence of fossils in 10, IfiS 



— lake 3, 484 



— shore north of the Adirondacks ; J. W. Spencer 3, 488 



Irving, R. D., cited On chert and jasper 4, 436 



contact phenomena 4, 327 



denudation » 7, 386 



early Cambrian and j)re-Cambrian formations 1, 234, 238 



formation of micropegmatite and pegmatite 5, 265 



geology of Minnesota 6, 182, 183 



the Huronian 1, 176 



kaolinite 9, 293 



— Keweenawan 10, 223 



lake Superior geology 1, 386, 391 



rocks 2. 388 



Mendota limestones 6, 172, 174 



metamorpliic rocks of Michigan and Dakota 9, 285 



geologic nomenclature 3, 464 



• — Oneota limestone 6, 177 



porous layers of the Keweenawan series 9, 291 



Potsdam conditions » 3, 336 



pre-Cambrian land surface 10, .158 



■ — relation between Cambrian and Keweenawan 10, 224 



. rock textures 5, 274 



sandstones of northwestern states 6, 187 



sandstone veins 1, 432 



secondary enlargement of crystals 5, 628 



minerals 4, 171, 176 ; 9, 292 



quartz 4, 156 



supposed Huronian rocks 3, 335 



Upper Huronian 10, 223 



— quoted on the Huronian 2, 106 



— , Reference to correlation methods of. 8, 198 



IsoBASES, Definition of term 3, 63 



IsosTASY, Measure of 3, 501 



Ithaca lake. Extinction of. 10, 49 



— meeting for organization of the G. S. A. 1, -l; 9 



Italy, Shore currents on coast of 7, 420, 421 



Ives, J. C, Expedition by , 4, 395 



— , Reference to Colorado River report of 6, 31 



