Figure 2. 
TOTAL 97% 
COLORADO HIGH PLATEAUS GRAND CANYON 
BRYCE ZION 
See a: CANYON 
{A 
CENOZOIC ie Saat RENEE TAS Bas is KAIBAB PLATEAU 
slr? > 
JURAS 
, yf 
MESOZOIC fe TRIAS 
ee Soe et — 
-——_— 
INTERVAL __ 
PALEOZOIG =| 28% Eageie? ) 
San eee es 
SS 7m on A 2 as if be 
ATT Tse (\ reese 2 %yh (ah 
PROTEROZOIC | 29% osiow INTERVAL _ — TR FO RIWIAN) ESCtCONGS ANU) Bae Ms 
cat EROS Le PaAeeceN eater 
pe cs) TAH HEELS WT ig a alli 
ee — s py) fi ea ade. # ernie Pee NM 
Sid - ee, ie Gy di i if oF ‘ z¢ 3 
iff a He ch ee iP ae see 4 
ARCHEOZOIC } 30% ities wee hte > 
gid ; ODIFIED AND REDRAWN APTER 
L.W. RICHARDS & G. sk. RICHARDS, Jr. , 
Bat) “\- WITH THE PERMISSION OF 
fan 
_t. eres ae arn TY Reatain 
Pe 
<< 
Pt dealt 
eves 
Figure 2: As o 
plateau to 
history. 
ne climbs up the 
Zion and Bryce Canyons in s are 
In the combined exposures, nearly 97 percent of the a heute score is represented. 
north rim of 
journeys across the Ka 
f the Grand Canyon of the —— River in Arizona and iba 
ock ncountered which belong to each era of the earth’s 
Utah, successively younger 
smmoT 1S fo a2ua9¢ fo Kmaporp ayy fo suowysvsuva 
