PALEOZOIC MESOZOIC CENOZOIC 
250 
FRAMEWORK OF ARIZONA 
GENERAL GEOLOGICAL SECTION OF ARIZONA 
s Periods 
SUB.-P. 
Series 
Terranes 
Thick 
Rocks 
Late 
25 
Adobe 
Mid 
200 
Gravels 
QUARTERNARIC 
Interval 
Early 
Gilan 
250 
Gravels 
Interval 
Late 
800 
Silts 
Interval 
1000 
Shales 
1500 
Sandstones 
50 
Conglomerates 
Interval 
Cliaman 
Canyon Largo 
800 
Sandstones 
TERTIC 
Interval 
Torrejon 
300 
Shales 
Nacimientan 
Interval 
Early 
\ 
Puerco 
600 
Shales 
Interval 
Aztecan 
Archuleta 
50 
Conglomerates 
Ratonan 
Interval 
Interval 
Interval 
T.att? 
Chacra 
200 
Sandstones 
Montanan 
Mesa Verde 
800 
Shales 
Orabai 
225 
Sandstones 
Coloradan 
Mancos 
1000 
Shales 
Lohali 
250 
Sandstones 
Mid 
Dakotan 
Pyramid 
10 
Conglomerates 
CRETACIC 
Interval 
Cintura 
500 
Shales 
Muleros 
800 
Sandstones 
Washita 
500 
Shales 
Early 
Comanchan 
Edwards 
350 
Limestones 
Cochise 
300 
Limestones 
Trinity 
1800 
Sandstones 
Glance 
400 
Conglomerates 
Interval 
Late 
interval 
i\IlD 
Interval 
McElmo 
600 
Shales 
JURASSIC 
La Plata 
1000 
Sandstones 
Early 
Zunvin 
Todilto 
200 
Limestones 
Wingate 
500 
Sandstones 
interval 
Ventana 
325 
Sandstones 
l,e Roux 
200 
Limestones 
Late 
Doloresian 
■^azlini 
450 
Shales 
TRIASSIC 
vukachukai 
200 
Sandstones 
Shinarump 
600 
[Conglomerates 
AIid 
Interval 
Early 
Interval 
Chelly 
125 
Sandstones 
Adamana 
200 
Shales 
Holbrook 
100 
Sandstones 
CARBONIC 
Late 
Moenkopian 
Winslow 
200 
Shales 
rolchico 
100 
Shales 
'anner 
100 
Shales 
'nterval 
