BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 5, pp. 435-464 April 12, 1894 



THE SHASTA-CHICO SERIES^ 



BY J. S. DILLER AND T. W. STANTON 



(Rend before the Society December 27, 1893) 



CONTEXTS 



Page 



Historical Review 435 



Sections of the Series 438 



Elder Creek Section • 438 



Section on Cold Fork of Cottonwood Creek 442 



Se(ttion on North Fork of Cottonwood Creek 442 



Faunas of the Series 444 



(yhico Fauna 444 



Horsetown tFaunas 445 



Upper Horsetown 445 



Lower Horsetown 446 



Knoxville Fauna 447 



Aucelhe of the Knoxville Beds 447 



Other Knoxville Fossils 448 



Flora of the Series 450 



Unity of the Series 451 



Distribution of the Series 452 



Deformations 453 



Subsidence during the Shasta-Chico Epocli 453 



Coast Range Uplift at Close of Jurassic 455 



Subsidence of the Sacramento Valley 456 



Relation of Knoxville and Mariposa Beds 457 



Time Range of the Series 459 



Correlation of the Series 461 



Nanaimo and Queen Charlotte Island Groups 461 



Potomac 461 



Comanche Series of Texas Cretaceous 462 



Correlative Movements 463 



Resume and Conclusions 463 



Historical Review. 



Of all the formations on the Pacific coast none have received greater 

 attention than those which belong to the Cretaceous. The earliest ex- 



* Published by permission of the Director of the United States Geological Survey. Read before 

 tlie Geological Society of Washington, D. C, December 20, 1893. 



LXr-Bui-L. Geol. Soc. Am., Vol. 5, 1893. (435) 



