GEOLOOIG CORRELATION 
259 
Eras 
Periods 
Stjb-p. 
Series 
Terranes 
Thick 
Rocks 
Q 
H 
© 
N 
O 
■<1 
Late 
Mimbresian 
Cristobal 
165 
Limestones 
Mid 
Montoy an 
Frondosa 
100 
Limestones 
Early. _ 
EJ Pasan 
Armendaris _ 
300 
Limestones 
Interval 
Unconformity 
CAMBRIC — . 
Late 
Chiricahuan.-. 
Lone 
300 
Quartzites 
CTiloridian 
Carrasco 
75 
Limestones 
Mid 
Dragoonan 
Burro 
Hawkins 
Mangas 
500 
50 
100 
Quartzites 
Limestones 
Quartzites 
Early. _ 
Interval .. — 
Unconformity 
0 
H 
© 
N 
S 
1 
In 
SUPERIORIC_-_. 
Valencian 
Graphic 
Sandoval 
lOOiO 
Lavas 
Granites 
Interval 
Unconformity 
SELKIRKIC 
Albuquerquan. 
Ysidro 
Tijeras 
1500 
250 
Shales 
Quartzites 
Interval 
Unconformity 
Garnuan 
Antonio 
2000 
Slates 
ANIANIC 
Interval 
Unconformity 
© 
N 
© 
» 
Q 
Pecurisan 
Truchas 
Penasco 
Serna 
900 
400 
1500 
Slates 
Quartzites 
Schists 
Interval 
Unconformity 
Taosan 
Solitario 
Rociada 
Sapello 
Ninos 
800 
250 
300 
lOOiO 
Slates 
Limestones 
Quartzites 
Schists 
Interval 
Unconformity 
AZO- 
IC 
Slates 
Gneisses 
Schists 
NOMENCLATURE AND SYNONYMY. 
Abo Sandstones^ Lee. (Bull. U. S. Geol. Surv., No. 389, p. 12, 1909.) 
Term exact synonym of Manzano sandstones as defined by C. L. Her- 
rick. 
Alamito Shales, Keyes. (Journal of Geology, Yol. XIY, p. 154, 1906.) 
Probably representative of some part of the Arkansan coal series of the 
Mississippi valley. 
A.lbuquerqua7i Series. The great sequence of argillaceous beds, with 
some quartzites, exposed to the extent of more than 2,000 feet in the 
Tijeras canyon, east of Albuquerque. 
