EXPLANATION SAN LUIS VALLEY Monte Vista Graben Alamosa

West
East
14000
Sangre de Cristo
Mountains
13000
13000
12000
12000
11000
11000
10000
10000
SAN LUIS VALLEY
9000
Elevation (Feet, mean sea level)
14000
8000
Qa
Tfg
Tc
9000
Tlp
7000
8000
Qa
7000
Tsf
6000
6000
Tv
5,000
Tsf
Tc
Tv
p–C
pre-Tv
4000
5,000
4000
3000
3000
Monte Vista
Graben
2000
Tv
Baca
Graben
1000
2000
1000
Tv
0
0
-1000
Alamosa
Horst
pre-Tv
p–C
-1000
p–C
-2000
-2000
-3000
-3000
p–C
-4000
0
2
-4000
4 Mi
-5000
-5000
EXPLANATION
Qa
Alamosa Formation
Tsf/Tlp Santa Fe–Los Pinos Formations
Tfg
Fish Canyon–Carpenter Ridge Tuffs
Tc
Conejos Formation
Tv
Vallejo Formation
pre-Tv Pre-Vallejo; Blanco Basin
Formation
p–C
Precambrian crystalline rock
Formation contact, dashed where
approximately located
Fault, approximately located; arrow
indicates relative movement