ENDLicii.J GEOLOGICAL FORMATIONS OF COLORADO. 



Synopsis of the geological formations found in Colorado — Continued, 



125 











Locality. 



Fossils. 



Character of strata. 



C3 

 1 



o <o 



OO'-S 



a a 



a 



3 

 H 











Near Golden City- 



planicofitata,F. asar- 















Continued. 



i folia, F. zizyphoides, 

 F. spectabilis, F. au- 

 riculata, F. trun- 

 cata, Platantls Say- 









03 









de7ii. P. rhomboidea. 









P 









Artocarpedium ol- 







N 



o 





gi^ 





medice foluum, 







fc3 









Benzoin antiquum, 







e 





S 





Cinnamomum Ross- 







s 





o 





maessleri, Vibur- 











H 





•S 





num Lakesii, Gor- 







^ 



« 





i 





nus Sluderi, O. orbi- 







H 



9 





g 





/era, Cissus Icevi- 







Q 



o 

 P-I 





s 



^ 





gata, Nelumbium, 

 Lakesianum, Mag- 















nolia Lesley ana. 

















Dombeiopsis trivi- 

















alis, D. grandifolia, 

















Sapindus candatus, 

















Zizyphus distortus, 

















Ceanotum fibrillo- 

















sus, Berchensiapar- 

















vifolia, Rhamnus 

















obovatus, R. saiici- 

















folius, R. rectine- 

















rov.s, R. acuminati- 

















folius. R. Goldianus, 

















B. Vleburui,R.ince- 

















qualis, R. alater- 

















noides, Juglans ru- 

















gosa, J. Sckimperi, 

















J. rhamnoides, Car- 

















polithes palmarum. 







SSm 









Mesa Verde 





Massive sandstones at base 



1900 















followed by sandstones, 



'■ 













shales, autl marls with 

















coal. Above these mass- 

















ive sandstones, then shales 

















and clays with sandstones 

















at top. 













Animas Eiver 





Sandstones interbedded with 



ITOO 















some shales and coal near 















base. Heavy strataof yel- 

















low and gray shales. Sand- 

















stones near top. 





N 



73 





?i, 



WliiteEiver 





Sandstones, yellow and gray, 

 below. Above them a se- 



1500 



t3 

 O 











e 





^ 







ries of sandstones and 





N 



o 











shales alternating. Near 





9 



^ 





r^ 







top massive sandstones. 





SB 



H 







Eio Nutria 



Inoceramus, Ostrea, 

 Baculites. Plants 



Yellow sandstouesnea'base. 

 Higher up yellow and gray 



1400 



» 









g 





(^ 





near top. 



arenaceous shales. Yel- 

















low and brownish sand- 

















stones near top. 













ITncompaligre agency . 





Black shales at base. Yel- 



leoo 













low and light gray shales 















higher up, passing into 

















arenaceous shales and 

















sandstones near top. 













Be Joyful Creek 





Sandstones changing into 

 shales near base. Mostly 



650 



























sandstone, with thinner 

















shale-strata higher up and 

















near top. 





