FRAMEWORK OF ARIZONA 
251 
GENERAL GEOLOGICAL SECTION OF ARIZONA 
Eru 
Periods 
SUB.-P. 
Series 
TerranES 
Thick 
Rocks 
PALEOZOIC 
CARBONIC 
Mid 
Aubreyan 
Kaibab 
Wompats 
Havasupai 
Huethawali 
Chiquito 
100 
225 
200 
175 
50 
Limestones 
Limestones 
Sandstones 
Limestones 
Sandstones 
Interval 
V erdan 
Coconino 
700 
Sandstones 
Interval 
Supaian 
Shiwits 
Yampai 
Seligman 
Pierce 
400 
300 
500 
100 
Sandstones 
Shales 
Limestones 
Shales 
Interval 
Early 
Interval 
Mississippism 
Elden 
Truxton 
Simon 
250 
450 
300 
Limestones 
Limestones 
Limestones 
Interval 
DEVONIC 
Late 
Perchan 
Bella 
Silver 
200 
100 
Shales 
Shales 
Martinian 
Morenci 
200 
300 
Limestones 
Limestones 
Mid 
interval 
Early 
Interval 
SILURIC 
Late 
Interval 
, 
Mid 
Santa Ritan 
Naiad 
Cibola 
150 
250 
Limestones 
Limestones 
Early 
Interval 
ORDOVICIC 
Late 
M imbresicm 
Longfellow 
200 
Limestones 
Mid 
Interval 
Early 
SI Pasan 
Interval 
Armedaris 
250 
Limestones 
Interval 
CAMBRIC 
Late 
Chiricahuan 
Lone 
300 
Quartzites 
-hloridian 
Abrigo 
700 
300 
500 
Limestones 
Shales 
Quartzites 
Mid 
Dragoonan 
Bright Angel 
Bolsa 
Early 
Interval 
PROTEROZOIC 
SUPERIOR! C 
Interval 
SEEKIRKIC 
Late 
(Chuar) 
200 
1300 
200 
600 
600 
800 
50 
700 
Sandstones 
Shales 
Sandstones 
Shales 
Shales 
Sandstones 
Limestones 
Shales 
Mid 
Interval 
Early 
{Unkar) 
Dox 
Shinumo 
Hakatai 
Bass 
Hotauta 
500 
800 
2300 
1500 
600 
325 
10 
Sandstones 
Lavas 
Sandstones 
Quartzites 
Shales 
Limestones 
Conglomerates 
ANIANIC 
Interval 
ARCHEOZOIC 
Interval 
Granites 
AZOIC 
Schists, 
Gneisses 
