634 W. T. LEE — STRATIGRAPHY OF COAL EIELLS OF KEW MEXICO 



Tertiary ( ?) , 



Mesaverde 



Feet Inches 

 coarse-grained and more or less friable through- 

 out, and contains great numbers of petrified 

 logs, some of which seem to be of palm wood. 

 Concretions of pink sandstone occur in the 



lower part 345 



(Probable unconformity.) 



Shale, sandy, with soft, friable sandstone. The 

 shale is carbonaceous with thin seams of coal 

 in many places, and several coal beds 1 to 6 

 inches thick occur near the top. Large concre- 

 tions of yellow and chocolate-colored, calcare- 

 ous sandstone, yellow cone-in-cone structure 

 limestone, and ironstone throughout. The fol- 

 lowing fossil plants were found at the top of 

 this shale half a mile north of Hagan : Brachy- 

 phyllum sp. ; Ficus sp. ; DaWergia n. sp. (U. S. 

 G. S. locality No. 6030) 600 



Sandstone in thick, massive plates; forms the 

 crest of the ridge at Hagan mine; fossiliferous. 120 



Shale, sandy; contains crystals of gypsum and 

 fossiliferous concretions of sandstone. Fossil 

 plants at the top are Alga; Cyperacites sp. ; 

 Gleichenia ? sp. ; Trapa 1 microphylla Lesq. ; 

 Neluml)0 intermedia ? Kn. ; Carpites n. sp. 



(U. S. G. S. locality No. 6022) 34 



Coal 1 



Shale, chocolate-colored 6 



Coal 1 



Sandstone, gray to brown, hard, fine-grained, in 

 layers alternating with shale 12 



Shale, sandy, gray 3 



Coal 1 



Sandstone and shale in alternating layers; con- 

 tains Protophyllocladus sp. ; Ficus lanceolata 

 Heer; Ficus n. sp. (3-nerved) ; Quercus sp. 

 (U. S. G. S. locality No. 6023), 6 to 15 feet 10 



Sandstone, massive, gray, cross-grained, cross- 

 bedded ; contains petrified wood ; lies with un- 

 even contact on coal, 5 to 15 feet 10 



Coal ( Hagan mine) 3± 



Shale, carbonaceous, chocolate-colored 1 



Sandstone, shaly, and carbonaceous shale 20 



Sandstone, calcareous, chocolate-colored 4 



Shale, sandy 25 



Coal, shaly 1 



Shale 4 



Coal 1 6 



