VI BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Plate 29 — Howe and Cross : Looking south down the Animas valley 268 



''30 " " " Terminal moraines of the Animas , 270 



"31 ' ' " " Looking southeast across the Animas valley 272 



" 32 — Lee : Topographic sketch map of portion of western Arizona 275 



" 33 " Detrital plain in Detrital-Sacramento valley 280 



"34 " Entrance to Black canyon 282 



" 35 — Hobbs : Characteristic topography of the Guadix formation 289 



"36 " Characteristic topography of the Guadix formation 290 



' ' 37 — Gilbert : Crescentic gouges 314 



" 38 Disruptive scars on granite 315 



"39 Crescentic gouges in Tuolumne canyon 316 



" 40 " Moulin work 318 



" 41 " Moulin work 318 



" 42 " Moulin work 319 



"43 " Assemblages of phenocrysts in granite 326 



" 44 " Banded granite 326 



"45 " Inclusions in granite of Kings River region 326 



"46 " Compressed inclusions 327 



' ' 47 — Davis : Gorge of Buffels river and base of Witteberg range 448 



" 48 " Deformed Witteberg series and cobble-covered terrace 448 



" 49 " Table Mountain sandstone and matopo 449 



" 50 " Dwyka tillite and Witteberg notch 450 



" 51 " Dwyka shales and Dwyka tillite 450 



" 52 " Eroded valleys and ridges and glaciated boulder 450 



" 53 " Dwyka tillite and glaciated Barberton slates 450 



" 54 " Glaciated diabase 450 



' ' 55 — Arnold : Geologic features of coast of Olympic peninsula 455 



"56 " Geologic features of coast of Olympic peninsula 456 



"57 " Geologic features of coast of Olympic peninsula 462 



"58 " Geologic features of coast of Olympic peninsula 466 



" 59 — Hitchcock : Map and section of Diamond head 469 



" 60 " Views of Diamond head 475 



"61 " Illustrations of Kupikipikio 479 



"62 " Sections of tuff 480 



"63 " Exposure of tuff, Diamond head 482 



"64 " Map of the Mohokea caldera 486 



"65 " Birds-eye view of Haleakala on Maui 488 



" 66 " Inside of Haleakala at the southwest angle 489 



' ' 67 — Dresser : Map of southern Quebec 497 



"68 " Map and section, Sutton Mountain series, near Richmond, 



Quebec 507 



" 69 — Watson : Granite quarries in Virginia 534 



"70 " Granite quarries in Virginia 536 



" 71 " Pegmatite dikes and veins 538 



"72 " Granite quarry and gneiss inclusion 540 



" 73 — Darton : Geologic map of Bighorn mountain 541 



"74 " Exposures of Bighorn limestone 546 



"75 " Kxposure of Madison limestone on Deadwood flaggy lime- 

 stone 548 



"76 " Exposures of Bighorn limestone 552 



