75 results
10QSB
2002 Q3
VGZ
Vista Gold Corp.
13 Nov 02
Quarterly report (small business)
12:00am
circulated over the heap leach pads at the mine to enhance
evaporation. As the solution is circulated, it is passed through a carbon plant
where small … amounts of gold are adsorbed onto activated carbon. The gold is
subsequently stripped from the carbon, refined and sold to defray the property
holding costs
PRE 14A
VGZ
Vista Gold Corp.
11 Mar 02
Preliminary proxy
12:00am
-silver recovery plants, two
carbon plants and associated maintenance and support facilities.
GEOLOGY AND HISTORY
The Hycroft mine is located … in 2000 Hycroft purchased two used carbon adsorption plants; one with a
nominal capacity of 500 gallons per minute and the other with a capacity of
1,500
8-K
EX-99.1
VGZ
Vista Gold Corp.
4 Jan 11
Regulation FD Disclosure
12:00am
. The tests Vista undertook on representative samples of the ore to be mined showed that leaching combined with a carbon-in-pulp recovery circuit yields … , thickened, pre-aerated, and then leached in tanks prior to recovery in a hybrid carbon-in-pulp circuit. Gold will be stripped from the carbon
8-K
EX-99.1
VGZ
Vista Gold Corp.
20 Aug 10
Regulation FD Disclosure
12:00am
to be mined showed that whole ore leaching combined with a carbon-in-pulp recovery circuit yields acceptable recoveries of 82%.
The proposed plant … to recovery in a hybrid carbon-in-pulp circuit. Gold will be stripped from the carbon and precipitated in an electrowinning cell prior to refining into doré
6-K
EX-99.1
VGZ
Vista Gold Corp.
9 Mar 99
Form 6-K Dated 3/8/99
12:00am
will be designed to operate at a
rate of 2,475 tons of ore per day and will consist of a gravity and
carbon-in-leach circuit with a projected
6-K
EX-99.1
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19 Nov 97
Form 6-K 11/18/97
12:00am
8-K
EX-99.1
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15 Feb 08
Vista Gold Corp. Announces Updated Capital and Operating Cost Estimates for its Paredones Amarillos Project, Mexico
12:00am
8-K
EX-10.1
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2 Dec 20
Vista Gold Corp. and the Jawoyn Association Modify Agreement to Include a Royalty and Mutual Cooperation and Support Commitments
5:27pm
8-K
EX-99.1
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8 Oct 19
Regulation FD Disclosure
5:17pm
6-K
EX-99.1
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20 May 97
Vista Gold Form 6-K 5/19/97
12:00am
8-K
EX-99.1
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24 Jan 08
Regulation FD Disclosure
12:00am
8-K
EX-99.1
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15 Oct 19
NI 43-101 Technical Report
7:24am
8-K
EX-99.2
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10 Jan 08
Entry into a Material Definitive Agreement
12:00am
10-K
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31 Mar 99
Annual report
12:00am
8-K
EX-99.1
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11 Dec 12
Regulation FD Disclosure
12:00am
8-K
EX-99.1
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13 Sep 19
Vista Gold Announces Updated Preliminary Feasibility Study for the Mt Todd Gold Project
1:07pm