Arkell.1956.Jurassic..

xiv LIST OF PLATES
PLATE FACING PAGE
18a. Haisiya Pass through the Jebel Tuwaiq . . . . . . 299
b. Outcrop of the Toarcian Bouleiceras beds, Jafair Trail, outer Jebel
Tuwaiq, Central Arabia . . . . . . . 299
19. Zardeh Kuh, Persia . . . . . . . . . 378
20a. The Castle of Bayburt, eastern Anatolia : Upper Jurassic limestones . 406
b. Exotic blocks in the Kiogars . . . . . . . 406
21. The Upper Spiti valley ; cliffs of Kioto Limestone with Spiti Shales
at top . . . . . . . . . . 407
22a. Urawitiki Point at the entrance to Kawhia Harbour, New Zealand. 454
b. Entrance to Kawhia Harbour, looking south to the Jurassic outcrops . 454
23a. Weathered Middle Bajocian limestone with Trigonia moorei Lycett,
Moonyoonooka, near Geraldton . . . . . -455
b. Bringo cutting, 19^ miles east of Geraldton, Western Australia . 455
24. Jurassic rocks of Neill's Cliffs, Hurry Inlet, East Greenland . . 528
25. Jurassic section, Prince Patrick Island, Canadian Arctic . . . 529
26. Giant ammonite in basal Kootenay Sandstone, east of Fernie, British
Columbia . . . . . . . . . . 540
27. Lower Jurassic and Triassic outcrop in typical landscape, Snake
Indian valley, north of Jasper, Alberta . . . . .541
28. The Sentinel, Zion National Park, Utah, Jurassic sandstones and
shaly Trias . . . . . . . . . . 544
29. Jurassic sandstone country, Arches National Monument area, Utah . 545
30. Folded Jurassic limestones in the Peruvian Andes, near Oroya, about
80 miles east of Lima. . . . . . . . . 576
PLATES ILLUSTRATING ZONAL INDEX AMMONITES
31-41. Hettangian to Portlandian of the North-west European province 760-781
42. Oxfordian and Kimeridgian of the Tethys . . . . . 782
43, 44. Tithonian of the western Tethys . . . . . 784-787
45, 46. Volgian of Russia . . . . . . . . 788-791
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