GEOLOGY OF THE WHITE SANDS OF NEW MEXICO 121 
where nearly every house is of adobe. The intense red color of 
the adobe awakened our curiosity and led us to the examination of 
the escarpment to the east and north. As we hoped, the dip 
had sufficed to bring to the general level strata which at Dog 
Canyon were out of reach and the lower third of the red series 
with its capping of gypsum and salines is at the foot of the sec- 
tion. The following is the section as casually examined during 
our visit —a section which will yield a large suite of interesting 
fossils of decided Permian facies, though well-known carboniter- 
ous forms extend throughout. Commencing at the bottom, we 
have first a poorly exposed series of silicious shales and thin- 
bedded limestones in which is a characteristic Permian assem- 
blage including Myalina permiana, Myalina attenuata, Pseudomonotis 
hawnt, Aviculopecten occidentalis, etc. 
Then follow, as we ascend: 
Reddish shales and loose sands - - - - - - T5eteet 
Limestone - - - - - - - - - - sai Oey 
Greenish sandy shale : - - - - - - = Io feet 
Coarse conglomerate with pebbles of granite, etc. - - 15 KO) Tito 
Purple red sand with pebbles’ - - - - - - ZOMOR25 ita 
Earthy limestone - - - - - - aaa re - Be i 
Loose red sand - - - - - - - - - Hite) 8 
Coarse red conglomerate - = = = - = = Ato) Go 
Red sandstone - - - = - - - - - Ons 
Loose red sand and shales -_ .- - - - - - er iilts), 6 
Conglomerate - - - - - - - - . - Asics 
Limestone - - - - - - - - . = =p De 4 es 
Greenish sand~ - - - - - - - - - SHel2s a 
Earthy lime shales and sand - - - - - - SEL Pe 
Limestone and calcareous shale - - = - - - - One 
Sandy shale and green sands - - - - - - 25 tO AO 
Well marked bench of gray lime - - - - - = Sruis 
Red shale including a very irregular conglomerate - - 5) abso) == 58 
Thin bed of lime - - - - - - - . - 1 foot 
Green fissile shale - - - - - - - - . - 6 feet 
(Gypsiferous marl, probably surface deposit) ; - - = i OOnmes 
Limestone and shale with numerous small fossils —- - = Migs 
Brown or red shale with numerous fossils —- - - - Sere See 
Sandstone - = : = 2 2 Ls E 2 es or ee 
