324 
4. S 
a. 
WIGIB™ JOXUURINGUL, CIB OIL OG, 
andstones (lower) : 
Compact, quartzitic, gray sandrock, 25 feet, with 65 feet 
of hard, compact sandstone - - - - 
Massive, compact, cliff-forming, brown, buff, and eaters 
brown sandstone - - : Z " 
1. Reddish-brown to vermilion, friable, shaly sand- 
stone - - - - - 200 
2. Brick-red shaly sandstone - - - 250 
3. Brown, friable, shaly sandstone, ripple-marks and ~~ 
shrinkage-cracks - = - 300 
4. Same in more massive layers, with fine, siliceous ‘ 
conglomerate (10 feet) at the base - 80 
. Light-gray limestone, with interbedded laminz of quartz- 
itic shale - - - - - - 
Brown sandstone, with a bed of siliceous conglomerate, 
2 feet - - - = - - 
c. Reddish, cherty limestone - - - - 
@. Reddish-brown limestone — - ; - : 
é. 
Dark reddish-brown slate, - - - - 
jf. Light-gray, compact, shaly limestone - - 
6. Dark, compact, basaltic lava in one massive flow - 
7. Light-gray, compact, shaly limestone with pinkish tinge 
b 
etween the laminz; it is a little cherty near the base, or 
with thin, hard, interbedded layers of sandstone - 
8.551 
iliceous conglomerate, formed largely of pebbles derived 
from the upturned edges of the pre-Unkar strata, upon which 
it 
Grand Canyon, due south of Vishnu’s 
rests unconformably 2 a a x 
Total thickness of the Unkar terrane - - - 
Total thickness of the Chuar terrane = - 
Total thickness of Grand Canyon series - - 
VISHNU TERRANE. 
Feet. 
eye) 
1,200 
Feet. 
220 
69 
80 
30 
6,830 
5,120 
II,g50 
The strata of the Vishnu terrane on the north side of the 
Temple, consist of mica- 
ceous schists and quartzite, with dikes and veins of reddish col- 
ored granite cutting across the plicated bedding of the schists, 
I examined this series at one point only, and do not feel 
ranted in discussing its general characters. On the south 
(LKe, 
war 
