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Aurifero

  • Project Aurifero
    Commodity Gold, Silver
    Location Navajoa, Sonora
    Nearest City 35 km Northwest of the Alamos Silver Project
    Nearest Major Mining Projects 15 km Northwest of Cobre Del Mayo's Piedras Verdes copper mine
    Geology Epithermal vein system
    Land Package 1,229 has
    Exploration Highlights

    Hole DMDDH-01
    3.1 m of 18.37 g/t Au

    Hole 07-MN-10
    24.5 m of 3.12 g/t Au

    Hole CI-35
    48 m of 1.47 g/t Au

    Hole CI-09
    58 m 3.65 g/t Au

    Hole CI-34
    24 m of 2.42 g/t Au

    Access & Infrastructure Paved and gravel roads, mining labour force, power and water
    Project Interest Under option to acquire 100% interest

    Project

    The Aurifero gold project contains a swarm of gold- and silver-bearing epithermal veins within a NW/SE-trending zone measuring 3 km long and more than 400 m wide.

    A NW-SE trend of structurally controlled ridges and valleys extending from northwest of Aurífero project to the east-southeast of the Piedras Verdes porphyry copper deposit. Gold mineralization in the Aurífero project area is associated with NW-SE fracture zones, veins, and rhyolite dikes, cutting intermediate to felsic tuffs.  Quartz-eye rhyolite dikes and strong argillic alteration in a number of the shallow underground workings suggest that mining has been limited to the uppermost levels of a mineralized epithermal system.  Aurifero mineralization appears to be spatially and temporally related to the emplacement of fine-grained felsic intrusions (dikes and small stocks), the nature and extent of which were not clearly identified in historical work. 

    The project has seen numerous campaigns of shallow reverse circulation and core drilling since the 1980s totaling over 8,000 metres.  Holes were on average less than 100 m deep; the deepest reaching a vertical depth of 135 m from surface. 

    The project is 35 km northwest of the Alamos silver project, and 15 km northwest of Cobre Del Mayo's Piedras Verdes copper mine. The total size of the project is 1,229 hectares.

    Project terms include completing cash payments of CDN $2,749,000 over 60 months.

  • The project has seen numerous campaigns of shallow reverse circulation and core drilling since the 1980s totaling over 8,000 metres.  Holes were on average less than 100 m deep; the deepest reaching a vertical depth of 135 m from surface.

  • Historical drilling highlights, Aurífero project.  Minera Terrazas and Pershimco performed diamond (core) drilling; Peñoles used a reverse-circulation drill.

    Company

    Hole

    From (m)

    To (m)

    Interval (m)

    Ag (g/t)

    Au (g/t)

    Peñoles

     CI-09

    40.00

    98.00

    58.00

     

    3.65

    CI-22

    6.00

    48.00

    42.00

     

    1.7

    CI-34

    54.00

    78.00

    24.00

     

    2.42

    CI-35

    36.00

    84.00

    48.00

     

    1.47

    Minera Terrazas

    DMDDH-01

    85.65

    93.25

    7.60

    5

    7.97

    including

    90.15

    93.25

    3.10

    8

    18.37

    NDDH-02

    3.35

    6.50

    3.15

    28

    1.25

    8.50

    23.65

    15.15

    14

    0.92

    32.55

    35.55

    3.00

    2

    0.99

    NDDH-07

    17.90

    22.25

    4.35

    57

    2.56

    70.15

    94.55

    24.40

    5

    0.67

    SFDDH-01

    54.00

    62.00

    8.00

    1

    1.79

    76.70

    82.70

    6.00

    2

    2.48

    Pershimco

    07-MN-02

    82.00

    93.80

    11.80

    3.7

    2.9

    98.00

    101.00

    3.00

    11.4

    3.68

    140.00

    143.00

    3.00

    39

    1.86

    151.90

    159.00

    7.10

    3.3

    2.15

    07-MN-03

    146.00

    149.00

    3.00

    10.15

    2.94

    07-MN-04

    141.90

    143.40

    1.50

    2.8

    2.35

    07-MN-07

    42.20

    44.80

    2.60

    158

    trace

    07-MN-09

    47.70

    53.90

    6.20

    26.2

    2.24

    61.00

    63.40

    2.40

    86.3

    3.7

    07-MN-10

    51.70

    76.20

    24.50

    43.8

    3.12

    including

    52.50

    53.50

    1.00

    273.5

    26.07

    and

    60.00

    61.20

    1.20

    63.6

    9.56

    and

    69.80

    70.80

    1.00

    189.5

    6.98

    Drill Results Hole Data

    Hole Company Year Method zone WGS 84, Zone 12N elev Az inc m
    UTM_E UTM_N
    CI-09 Peñoles 1986 RVC San Francisco 679989 3022569 206 30 -60 100
    CI-34 Peñoles 1986 RVC San Francisco 679966 3022573 210 30 -60 100
    CI-35 Peñoles 1986 RVC San Francisco 680062 3022604 195 210 -60 100
    DMDDH-01 Terrazas 2014 DDH Dios Mediante 680481 3022363 219 230 -50 128.2

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