GEOLOGY—ROCKS. 
110 
33. Calcareous Spar; White river. 
34. Red porphyry; Wahsatch mountains. 
35. Gray porphyry; Wahsatch mountains. 
36. Hyalite; Grand River valley. 
37. Oolitic limestone; Wahsatch mountains. 
38. Chalcedony; Wahsatch mountains. 
39. Red sandstone; Grand river. 
40. Greenish argillaceous limestone; Wahsatch mountains. 
41. Grayish-yellow foliating limestone; Wahsatch mountains. 
42. Crystallized gypsum; Ungot-tah-bi-kin valley. 
43. Greenish limestone; Wahsatch mountains. 
44. Chalcedony; Wahsatch mountains. 
45. Rock from the towery conglomerate on Grand river. 
46. Mica slate; Coochetopa Creek valley. 
47. Granite; Coochetopa Creek valley. 
Names and Localities of various Roclcs collected by Dr. Schiel during the Explorations of 1854. 
I. 
II. 
III. 
IY. 
Y. 
VI. 
VII. 
VIII. 
IX. 
X. 
XI. 
XII. 
XIII. 
XIV. 
XV. 
XVI. 
XVII. 
XVIII. 
XIX. 
XX. 
XXI. 
XXII. 
XXIII. 
XXIV. 
XXV. 
XXVI. 
XXVII. 
XXVIII. 
XXIX. 
XXX. 
XXXI. 
XXXII. 
Granite; Island mountain, Great Salt Lake Desert. 
Limestone; Humboldt mountains. 
Shale; east from Humboldt mountains; remnants of stratum. 
Altered trapp-porphyry; Coochetopa creek, 1853. 
Red porphyry; Goshoot mountains. 
Conglomerate; first canon west of Humboldt mountains. 
Dioritic porphyry; west of Agate Pass. 
Chalcedony. 
Rock from Agate Pass. 
Cherty rock; Tuilla valley. 
Shale; near Humholdt river. 
Red quartz; near Humholdt mountains. 
Rock from Agate Pass. 
Dioritic(?) rock; Humboldt mountains, R. R. Pass. 
Dioritic (?) rock ; west of Humboldt mountains. 
Shaly rock; west of Humboldt mountains. 
Syenite; foot of Sierra Nevada. 
Gneiss; foot of Sierra Nevada. 
Argillaceous porphyry; foot of Sierra Nevada. 
Lava; Black butte. 
Shaly rock; west of Humboldt mountains. 
Shaly trapp-porphyry; foot of Sierra Nevada. 
Feldspar (violet and white) ; foot of Sierra Nevada. 
Silicious rock; west of Humboldt river. 
Basaltic rock; Sierra Nevada. 
Porphyritic trachyte ; Sierra Nevada. 
Porphyritic trachyte ; summit of Madelin Pass, Sierra Nevada. 
Trachyte; between Madelin and Noble’s Passes, Sierra Nevada. 
Trachyte; between Madelin and Noble’s Passes, Sierra Nevada. 
Trachyte; between Madelin and Noble’s Passes, Sierra Nevada. 
Trachyte; between Madelin and Noble’s Passes, Sierra Nevada. 
Basaltic (?) rock; west from Humholdt mountains. 
