MINING
San Gregorio Operation
Resources and Reserves
San Gregorio Mine Geology and Deposits






RESOURCES AND RESERVES



These Mineral Resources and Reserves, as well as the terms used in this disclosure, are fully compliant with NI 43-101 requirements and CIM Definition Standards.

RESERVES AND RESOURCES
As at 1 July 2009 Tonnes Grade Ounces
Proven and Probable Reserves      
    Open Pit 4,776,000 1.19 182,300
    Underground 1,716,000 1.94 107,200
Total Proven and Probable 6,492,000 1.39 289,500
Measured and Indicated Resources 18,271,000 1.35 790,300
Inferred Resources 1,775,000 1.2 69,780
Reserves are contained within resources.  All reserves and resources are NI 43-101 compliant. Underground resources have been calculated assuming a 1.5 g/t cutoff. Open pit resources have been calculated a .5 g/t cutoff.

  

 

Measured and Indicated Resources 

Inferred  Resources 

 

Tonnes

Grade

Contained

Tonnes

Grade

Contained

(000's)

(g/t Au)

Ounces

(000's)

(g/t Au)

Ounces

Arenal Deeps

3,164

2.21

224,300

152

2.3

11,100

San Gregorio

8,459

1.04

283,700

3

0.9

80

Santa Teresa

1,250

1.05

42,100

400

0.9

11,500

Ombú

687

1.33

29,000

38

0.9

1,000

Sobresaliente

431

1.16

16,000

61

0.9

1,800

Veta A

428

2

27,500

40

1.4

1,800

Veta Sur

537

1.92

33,200

114

1.9

6,900

Argentinita

1,701

1.52

83,000

502

1

17,000

Zapucay

283

1.31

11,900

127

1.2

5,000

Zapucay - Knob Hill

0

0

0

190

1.4

8,600

Castrillón

165

1.29

6,800

147

1.1

5,000

Stockpiles - High

17

1.58

800

     

Stockpiles - Medium

568

1.02

18,600

     

Stockpiles - Low

581

0.72

13,400

     
             

Total 

18,271 

1.35 

790,300 

1,775 

1.2 

69,780 

Qualified Persons' Statement: The technical information presented in this Statement was reviewed and verified by Mr. John Sadek, Mining Engineer, and Mr. George Schroer, Certified Professional Geologist. Mr. Sadek has a Bachelor of Engineering degree (Mining) from the University of Sydney, is a member of the AusIMM and SME and has over 20 years of international experience in mining. Mr. Schroer has an MSc in Geology from Colorado State University, is a member of SEG and AIGP and has over 20 years of international experience in mineral exploration.

Copyright 2011 Orosur Mining
Legal Information and Terms of Use
Company Profile | Home | Corporate | Mining | Exploration - Uruguay | Exploration - Non-Gold | Exploration - Chile | Investors | News | Contact Us | Media | Site Map