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Harena Drill Results and Significant New Gravity Anomaly Discoveries at Bisha Project

HARENA DRILL RESULTS AND SIGNIFICANT NEW GRAVITY ANOMALY DISCOVERIES AT BISHA PROJECT

June 9, 2005

 

Nevsun Resources (NSU: TSX and AMEX) is pleased to report both the final drill results of the recently completed Harena drill program in Eritrea as well as the discovery of significant new gravity anomalies adjacent to the newly discovered Harena deposit. The original Harena discovery drill holes were reported on April 5, 2005. The Harena deposit is located 9.5 km to the southwest from Nevsun’s high grade Bisha Main volcanogenic massive sulphide (VMS) deposit.  Harena was an important find for Nevsun as it represents a third VMS discovery on the Bisha concession, represents a good satellite opportunity for supplemental feed for the Bisha mine site currently undergoing feasibility and significantly extends the exploration district for potential VMS opportunities.

Harena was initially targeted as a coincident gravity and EM anomaly. Having successfully intersected massive sulphides with the Harena discovery holes, Nevsun extended its gravity investigations along strike of the Harena deposit a further 3.5 km. This work was completed during the current drill campaign and has resulted in the identification of several larger and stronger gravity signatures. A drill program to test these anomalies will be prepared for the fall of 2005.

This release provides a table of Harena drill hole results, figures of the drill hole locations and cross section; as well as a map of the new gravity anomalies identified adjacent to Harena. 

Harena Drill Hole Data

A total of 20 diamond drill holes have been completed on the Harena Deposit to date with a series of sections 100 meters apart having been drill tested over a strike length of 400 meters. Initial assay results from the first 4 holes were released in April and can be accessed on Nevsun’s web site. The drill fence locations are presented in Figure 1.

Table 1: Harena Drill Hole Results

A summary of the assay results is as follows:

 

   

Hole #

From

To

Length (m)

Au g/t

Ag g/t

Cu %

Pb %

Zn %

Dip Collar

Section

   

Oxide

 

 

 

 

 

 

 

 

 

 

   

H-005

51.0

55.3

4.3

1.33

0.7

0.03

0.04

0.07

-45

5900

   

H-009

42.0

51.0

9.0

0.68

23.7

0.01

0.14

0.03

-45

5700

   

Primary

 

 

 

 

 

 

 

 

 

 

   

H-006

83.8

91.2

7.4

0.34

22.6

0.78

0.14

7.25

-45

5900

   

and

91.2

122.5

30.3

1.40

30.2

0.86

0.19

0.32

 

 

   

H-007

69.4

74.1

4.7

0.03

7.9

0.08

0.16

3.10

-45

6000

   

H-010

57.9

67.0

9.1

0.16

8.5

0.20

0.00

1.30

-45

5700

   

and

77.4

86.5

9.1

0.12

5.4

0.28

0.01

6.12

 

 

   

H-011

147.1

170.5

22.4

0.34

20.9

0.85

0.06

3.58

-65

5800

   

Incl.

147.2

154.0

6.8

0.27

16.3

0.26

0.11

6.54

 

 

   

Incl.

161.7

170.5

7.2

0.42

25.2

1.54

0.01

4.53

 

 

   

H-012

179.6

183.4

3.8

0.59

11.5

1.62

0.00

0.12

-85

5800

   

H-013

125.8

140.5

14.7

0.11

12.4

0.28

0.15

5.10

-45

 

   

and

140.6

144.0

3.4

20.75

299.2

0.31

2.50

0.17

 

 

   

H-014

141.7

154.5

12.8

0.35

20.7

0.98

0.03

3.15

-65

5700

   

and

154.5

160.0

5.5

0.73

20.1

0.12

0.14

0.03

 

 

   

H-015

156.5

159.5

3.0

1.03

46.5

0.08

0.11

0.21

-45

5900

   

and

166.4

174.5

8.1

0.33

24.3

1.19

0.03

2.04

 

 

   

H-016

159.1

179.4

20.3

0.97

21.9

0.68