CORRELATION TABLE 



519 



Provisional Correlation Table 



Hague and Emmons, 

 1877. 



Boutwell, Kmdle, Walcott, and 

 others, 1880-1909. 



Period. 



Per mo-Carboniferous 

 shales and limestone 



Ankareh shale 

 Thaynes formation 

 Woodside shale 



Lower Triassic 

 or Permian 



Upper Coal Measure 

 imestone 



Park City formation 



Pennsylvanian 



Weber quartzite 



Weber quartzite 

 Morgan formation 



Wasatch limestone 



Mississippian limestone 



Mississippian 



Ogden quartzite^ 



Jefferson limestone 



Devonian 





Paradise limestone 



Silurian 





(Ogden quartzite) Shale and sand- 

 stone at Geneva ^ 

 Box Elder limestone 



Ordovician 



Ute limestone 



Saint Charles formation 

 Nounan formation 

 Bloomington formation 

 Blacksmith formation 

 Ute formation 



Piocheshale'{|P--*te.tone 

 Brigham quartzite 



Cambrian 



Primordial slates 





Cambrian quartzites and 





slates 



Algonkian quartzites and slates 



Algonkian 



Archean 



Archean gneiss and schist 



Archean 



fossils has been shown by Kindle.^^ Girty and Stanton have studied the 

 fossils of the Carboniferous and later beds, but the results are not yet 

 available in print. On the physiographic side, the more important con- 

 tributions have been made by Gilbert^^ and Davis^^ on the subject of 



' Not correlated with Jefferson limestone, but supposed at first to be Devonian ; later 

 assigned to Ordovician. 



8 Existence of Ogden quartzite disproved. Geneva formation occupies about the same 

 horizon the Ogden was supposed to have. 



^ Langston and Spence members in Bear Lake district probably equivalent to the 

 Pioche shale of Ogden region and south westward. 



loE. M. Kindle : American Journal of Science, vol. xxv, 1908, pp. 127-128, and Bulletin 

 of American Paleontology, Ithaca, vol. iv, 1908, pp. 14-18. 



^ G. K. Gilbert : Lake Bonneville. U. S.- Geological Survey, Monograph I, 1890. 



" W. M. Davis : The Wasatch, Canyon, and House ranges, Utah. Bulletin of the 

 Museum of Comparative Zoology, Harvard Collection, vol. xlix, 190,5, pp. 17-56, and 

 Mountains of the Great Basin, same, vol. xlii, 1903, pp. 128-177. 



