Exhibit 23.5
Letterhead of Mine Development Associates
MINE DEVELOPMENT ASSOCIATES
MINE ENGINEERING SERVICES
CONSENT OF NEIL PRENN
The undersigned, Neil Prenn, hereby states as follows:
I, Neil Prenn assisted with the preparation of the “Feasibility Study Update, NI 43-101 Technical Report, Vista Gold Corp., Paredones Amarillos Gold Project, Baja California Sur, Mexico” dated September 1, 2009, (the “Technical Report”) for Vista Gold Corp. (the “Company”), portions of which are summarized (the “Summary Material”) in this Annual Report on Form 10-K for the year ended December 31, 2011 (the “Form 10-K”).
I, Neil Prenn hereby consent to the Summary Material in the Form 10-K and to the incorporation by reference in the Company’s Registration Statements on Form S-3 (Nos. 333-132975, 333-136980, 333-158633, and 333-172820) and any amendments thereto, and in the related Prospectuses, and in the Company’s Registration Statements on Form S-8 (Nos. 333-105621, 333-134767, 333-153019, 333-176792) of the Summary Material concerning the Technical Report, including the reference to Paredones Amarillos Gold Project (since renamed the Concordia Gold Project) included with such information, as set forth above in the Form 10-K.
| By: | /s/ Neil Prenn, PE |
| Name: | Neil Prenn, PE |
| Title: | President |
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Date: March 14, 2012 |
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| [SEAL] |
775-856-5700
210 South Rock Blvd.
Reno, Nevada 89502
FAX: 775-856-6053
Letterhead of Mine Development Associates
MINE DEVELOPMENT ASSOCIATES
MINE ENGINEERING SERVICES
CONSENT OF NEIL PRENN
The undersigned, Neil Prenn, hereby states as follows:
I, Neil Prenn assisted with the preparation of the “Technical Report, Preliminary Assessment, Long Valley Project, Mono County, California, USA” dated January 9, 2008, (the “Technical Report”) for Vista Gold Corp. (the “Company”) portions of which are summarized (the “Summary Material”) in this Annual Report on Form 10-K for the year ended December 31, 2011 (the “Form 10-K”).
I, Neil Prenn hereby consent to the Summary Material in the Form 10-K and to the incorporation by reference in the Company’s Registration Statements on Form S-3 (Nos. 333-132975, 333-136980, 333-158633, and 333-172820) and any amendments thereto, and in the related Prospectuses, and in the Company’s Registration Statements on Form S-8 (Nos. 333-105621, 333-134767, 333-153019, 333-176792) of the Summary Material concerning the Technical Report, including the reference to the Long Valley Gold Project included with such information, as set forth above in the Form 10-K.
| By: | /s/ Neil Prenn, PE |
| Name: | Neil Prenn, PE |
| Title: | President |
|
|
|
Date: March 14, 2012 |
|
|
|
| [SEAL] |
775-856-5700
210 South Rock Blvd.
Reno, Nevada 89502
FAX: 775-856-6053