27. 0 1 2 3 4 5 Km
105°56’
3
5
° Upper volcanic group
Piaxtla intrusive
Arana diorite and
intrusive andesite
Lower volcanic group
Fault
Geologic boundary
Vein
Strike and dip
Mill
Town site
3
4
°
3
5
°
10°
TAYOLTITA
CONTRA
ESTACA
76°
33°
35°
35°
25°
CARBONERAS
NORTH
(After Henshaw, 1953; Randalll,1970; Smith and Hall, 1974; Nemeth,1976;
Clarke, 1982; Enriquez,1995).
A’
28. PRE-FAULT SHAPE OF
CONTRAESTACA ANTICLINE
0,00 m
-1,000 m
-2,000 m
0,00 m
-1,000 m
-2,000 m
SW
NE
0,00 m
-1,000 m
-2,000 m
-3,000 m
0,00 m
-1,000 m
-2,000 m
-3,000 m
5,00 m
5,00 m
MEXICAN PLATEAU STAGE
Source: P. C. Henshaw1953.
2,000 m
2,000 m
1,000 m
0,00 m
1,000 m
0,00 m
VERTCAL CROSS SECTION SHOWING
MAJOR STAGES IN THE DEVELOPMENT OF
GEOLOGICSTRUCTURE IN THE SAN DIMAS
MINING DISTRICT
1,000 m
0.00 m
-1,000 m
1,000 m
0.00 m
-1,000 m
ORE HORIZON
PRE-CLIFFS STAGE, AN APPROXIMATION
OF CONDITIONS AT THE TIME OF ORE
DEPOSITATION, THE ORE ZONE IS LIMITED
BETWEEN 0 AND 500 METERS OVER THE
SEA LEVEL
29. Favorable Horizon
Mineralization –Ore Bodies
Extension of the Favorable Horizon
Potential
0 1 2
K I L O M E T E R S
SW
NE
3,000 m.
2,000 m.
1,000 m.
3,000 m.
2,000 m.
1,000 m.
Source: San Dimas Geology Office
Intrusive
Faults
District Wide Potential
A
A’
55. LONGITUDINAL SECTION OF VICTORIA VEIN
S70°W
N70°E
900 m
900 m
700 m
700 m
0
100
200
meters
SCALE
FAULT
FAVORABLE
HORIZON
LITHOLOGY
SYMBOLOGY
DE LAS CUMBRES RHYOLITE
PRODUCTIVA ANDESITE
PORTAL RHYOLITE
BUELNA ANDESITE
SOCAVON RHYOLITE
PIAXTLA IRUSIVE
LOOKINGTO NORTH WEST
NOT SIGNIFICANT VALUES 2013
PLANNED
DDH 2013 SIGNIFICANT
DDH TO FINISH 2013, 2014/PENDING
SIGNIFICANT VALUES 2014
NOT SIGNIFICANT VALUES 2014
UNCUT
Target 2014
56. R|
300 m.
400 m.
600 m.
700 m.
800 m.
R O B E R T A V E I N
C E N T R A L B L O C K
E
W
0
100
400
meters
SCALE
FAULT
FAVORABLE
HORIZON
LITHOLOGY
SYMBOLOGY
300 m.
400 m.
500 m .
600 m.
700 m.
800 m.
200 m.
100 m.
PRODUCTIVA ANDESITE
PORTAL RHYOLITE
BUELNA ANDESITE
SOCAVON RHYOLITE
PIAXTLA INTRUSIVE
ANDESITIC INTRUSIVE
NOT SIGNIFICANT VALUES 2013
PLANNED
DDH 2013 SIGNIFICANT
DDH PREVIOUS SIG.VALUES
DDH TO FINISH 2013, 2014/PENDING
SIGNIFICANT VALUES 2014
NOT SIGNIFICANT VALUES 2014
UNCUT
500 m .
200 m.
100 m.
Target 2014
59. "El Alacrán"
Valenciana
"MALA NOCHE"
"VENTANAS"
"LA LIBERTAD"
NORTE
REGIONAL GEOLOGY VENTANAS-MALA NOCHE
IGNIMBRITAS
ANDESITAS
ALUVION
INTRUSIVO
NORTE
MINA
LA CONCEPCION
MINA SAN CAYETANO
Pueblo de
Villa Coronas
(Ventanas)
Pueblo de
Mala Noche
Mala Noche
California
La Prieta