The Carol Project
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The Carol property consists of six mining claims that cover 758.14 hectares and is located 20 km north of the city of Alamos in the state of Sonora, northern Mexico. The property belongs 100 % to Yale's Mexican subsidiary Minera Alta Vista S.A. de C.V.

The Carol property is approximately 5km north of Frontera Copper Corp.'s Piedras Verdes copper mine that has a reported proven and probable reserve of 191 million tonnes grading 0.36% copper and is currently producing 70 million pounds of grade "A" copper per year. With the proximity of the Piedras Verdes mine, the Carol property has excellent infrastructure and there is road access to the core of the property.

The Carol property hosts two skarn zones: Balde South and Balde North. The Balde South measures approximately 1,100 metres long and 400 metres wide, while the Balde North, located 800 metres away, measures approximately 300 metres by 800 metres. Within the Balde North area a small working (La Escondida) was dug crosscutting a mineralized structure.

2008 trenching program:

The 2008 trenching program has shown the property to contain multiple targets with average grades greater than 1% copper and 1% zinc.

Highlights from the trenching program are:
  • 24.0 m grading 1.20 % Cu and 2.24 % Zn
  • 10.0 m grading 2.19 % Cu, 1.07 % Zn, 18.26 g/t Ag and 0.91 g/t Au
  • 22.0 m grading 1.15 % Cu, 0.61 % Zn, and 28.57 g/t Ag
  • 22.0 m grading 0.54 % Cu and 4.45 % Zn
  • 16.5 m grading 1.10 % Cu and 2.45 % Zn
(click here for a detailed list of samples)


Each of the seventeen trenches revealed continuously mineralized intervals over widths between 4 and 48 metres. Of the 232 samples taken 185 were taken within skarn with each sample being two metres in length. Within the trenches there were many high grade sections. The highest copper assay received was 7.67 % and 38 samples returned greater than 1% copper. The highest zinc assay received was 15.30 % and 62 samples returned greater than 1% zinc. The highest gold assay received was 2.24 g/t (La Escondida) and 30 samples returned greater than 0.3 g/t gold.

In several locations deeper than expected overburden did not allow for the sampling of the underlying bedrock as the trenches were dug by hand, hence several of the zones remain open in at least one direction. This is significant in that there is the potential, with additional trenching, to show mineralization over much wider widths.

Averages from all sampling are shown in the table below.

 

width

Average

 

 

(m)

Cu (%)

Zn (%)

Ag (g/t)

Au (g/t)

Comments

Blade South

 

 

 

 

 

 

BS - 1

22.0

0.54

4.45

6.69

0.14

Open to the west and east

including

8.0

1.21

2.19

7.45

0.19

 

BS - 2

16.5

1.10

2.45

8.42

0.11

Open to the east

BS - 3

8.0

1.44

0.42

5.98

0.11

 

BS - 4

8.0

0.87

5.97

37.00

0.11

 

including

4.0

1.67

11.56

68.25

0.21

 

BS - 5

4.0

0.65

0.02

6.40

0.23

Open to the west

BS - 6

6.0

1.36

7.49

13.20

0.49

Open to the west and east

BS - 7

12.0

0.95

0.02

5.45

0.27

 

BS - 8

48.0

0.86

0.37

16.57

0.09

Open to the east

including

4.0

3.04

0.75

12.20

0.30

 

and including

22.0

1.15

0.61

28.57

0.05

Open to the east

BS - 9

24.0

1.20

2.24

8.07

0.18

Open to the west and east

and

4.0

1.56

1.09

4.70

0.15

Open to the west and east

and

6.0

0.32

0.63

3.40

0.10

Open to the west and east

and

4.0

0.25

0.63

10.25

0.02

Open to the west and east

BS - 10

13.0

0.05

0.65

2.81

0.02

Open to the west and east

and

18.0

0.12

2.01

17.16

0.05

Open to the west and east

and

6.0

0.02

4.85

22.97

0.05

Open to the west and east

and

6.0

0.08

1.39

23.27

0.03

Open to the west and east

BS - 11

4.0

0.28

0.80

17.25

0.15

Open to the west and east

and

14.0

0.24

0.75

10.31

0.18

Open to the west and east

BS - 12

2.0

0.00

0.02

1.5

1.41

Open to the west and east

and

20.0

0.56

0.05

3.32

0.66

Open to the west and east

and

6.0

0.16

0.02

2.77

0.43

Open to the west and east

Blade North

 

 

 

 

 

 

BN - 1

10.0

0.59

0.87

2.72

0.10

Open to the west and east

and

10.0

0.35

1.40

3.84

0.12

Open to the west

BN - 2

16.0

0.19

1.45

3.54

0.04

Open to the east

and

2.0

1.86

3.50

16.2

0.154

Open to the west and east

BN - 3

6.0

0.42

0.20

4.20

0.19

Open to the west

BN - 4

4.0

0.64

0.53

4.80

0.15

Open to the west

BN - 5

6.0

1.51

2.00

9.03

0.18

Open to the west and east

 

 

 

 

 

 

 

La Escondida

10.0

2.19

1.07

18.26

0.91

 


Details of the 17 trenches at Carol



2007 sampling program:

Within the Balde South skarn mapping and sampling has identified two key zones with visible copper oxide mineralization. The first is approximately 30 by 30 metres and contains several small exploratory workings. Sampling in this area (samples 23-25) returned a weighted average of 1.73 % Cu, 3.13 % Zn, 11.99 g/t Ag, and 0.21 g/t Au over an average width of 5.33 metres.

(click here for pictures and results of the 2007 sampling program)

500 metres to the south - still within the Balde South skarn - the second area measures approximately 300 metres by 200 metres and widespread sampling (samples 27-32) returned a weighted average of 1.54 % Cu, 0.55 % Zn, 10.39 g/t Ag, and 0.35 g/t Au from six samples over an average width of 2.9 metres. The potential for the Balde South skarn to be much larger is demonstrated by sample 33, located some 300 to the east, which graded of 1.73 % Cu, 13.65 % Zn, 0.77 g/t Au, and 7.47 g/t Ag over 4.0 metres.

Sampling within the centre of the Balde North skarn over an area approximately 50 metres by 25 metres returned a weighted average of 0.84 % Cu, 2.38 % Zn, 0.10 g/t Au and 4.57 g/t Ag over an average sample width of 2.3 metres.

Within the Balde North skarn is the Escondida shear zone from which a sample averaged 2.13 % Cu, 0.74 % Zn, 2.26 g/t Au, and 51.6 g/t Ag over 6.0 metres.  
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