 | | | Publié le 09 juin 2010 | El Gallo Drilling Continues to Deliver Impressive Results |
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| June 9, 2010 |
| US Gold Corporation: El Gallo Drilling Continues to Deliver Impressive Results
Initial Resource Estimate Due in 4 Weeks |
TORONTO, ONTARIO--(Marketwire - June 9, 2010) - US GOLD CORPORATION (NYSE Amex:UXG)(TSX:UXG) is pleased to announce results from eighteen new core holes (Fig. 1, Table 1) at the El Gallo Project in Sinaloa State, Mexico. The three best results since May 18, 2010 are: 4.6 ounces of silver per ton (opt) over 125.0 feet (ft) (158.1 grams per tonne (gpt) over 38.1 meters (m), 8.3 opt silver over 60.7 ft (285.7 gpt over 18.5 m) and 3.0 opt silver over 91.5 ft (104.1 gpt over 27.9 m). In addition, El Gallo's initial resource estimate is scheduled to be released in approximately four weeks.
MAIN ZONE - EXPANDED IN MULTIPLE AREAS
Recent drilling in the Main Zone had three objectives: 1) test for near surface mineralization, 2) identify mineralization at depth and, 3) extend zone to the east. Each objective was successfully achieved.
1) Drilling For Near Surface Mineralization (Fig. 1, 3)
4.6 opt silver over 125.0 ft (158.1 gpt over 38.1 m)
The first objective was to extend the near surface mineralization (Fig. 1). These holes were focused in the eastern part of the Main Zone. Hole GAX-155 is important because the mineralization starts near surface and it is one of multiple holes to have now encountered good grade over a wide intersections at El Gallo (Fig. 3). The potential for similar results in this area looks promising. Highlights are shown below:
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Hole # Silver Length From To Silver Length From To
------------------------------------------ --------------------------------
(opt) (ft) (ft) (ft) (gpt) (m) (m) (m)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
GAX-147 7.2 25.1 44.1 69.2 245.2 7.7 13.5 21.1
Including 21.6 4.1 60.9 65.0 739.0 1.3 18.6 19.8
----------------------------------------------------------------------------
----------------------------------------------------------------------------
GAX-154 3.3 37.9 201.8 239.7 111.7 11.6 61.5 73.1
Including 21.5 3.3 223.1 226.4 738.0 1.0 68.0 69.0
And 1.6 70.5 479.8 550.4 53.8 21.5 146.3 167.8
----------------------------------------------------------------------------
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GAX-155 4.6 125.0 122.4 247.4 158.1 38.1 37.3 75.4
Including 21.0 2.8 185.4 188.2 721.6 0.9 56.5 57.4
Including 27.9 3.8 211.6 215.4 956.5 1.2 64.5 65.7
Including 14.1 7.9 223.1 231.0 484.5 2.4 68.0 70.4
----------------------------------------------------------------------------
All depths indicated in table are down hole
0.73 opt Ag (25 gpt Ag) cutoff
Allowable waste interval was 19.7 ft (6 m) of less than 0.73 opt Ag (25 gpt
Ag)
Numbers may not add due to rounding
True widths are unknown
2) Identifying Mineralization at Depth (Fig. 4)
8.3 opt silver over 60.7 ft (285.7 gpt over 18.5 m)
Recent drilling targeted mineralization at depth. Hole GAX-148 encountered one of the deepest intersections of silver mineralization to date, occurring 440 ft (135 m) below surface (Fig 4). GAX-146 encountered a wide interval of good grade, broadening the Main Zone at depth. GAX-152 was located in the eastern area of the Main Zone where minimal drilling has occurred, helping to provide continuity between holes.
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Hole # Silver Length From To Silver Length From To
------------------------------------------ --------------------------------
(opt) (ft) (ft) (ft) (gpt) (m) (m) (m)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
GAX-146 3.0 91.5 321.7 413.2 104.1 27.9 98.1 126.0
Including 23.6 4.6 395.0 399.6 809.0 1.4 120.4 121.8
----------------------------------------------------------------------------
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GAX-148 2.8 28.5 592.8 621.4 97.4 8.7 180.7 189.4
----------------------------------------------------------------------------
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GAX-152 1.6 86.9 257.9 344.8 56.5 26.5 78.6 105.1
And 8.3 60.7 431.4 492.1 285.7 18.5 131.5 150.0
Including 64.5 3.3 446.2 449.5 2,210.0 1.0 136.0 137.0
----------------------------------------------------------------------------
All depths indicated in table are down hole
0.73 opt Ag (25 gpt Ag) cutoff
Allowable waste interval was 19.7 ft (6 m) of less than 0.73 opt Ag (25 gpt
Ag)
Numbers may not add due to rounding
True widths are unknown
3) Extending Zone To The East (Fig. 1)
Strike Length Extended 230 ft (70 m)
In the Main Zone the exploration objective was to extend the mineralization along strike to the east (Fig. 1). GAX163 and GAX164 successfully extended the strike length by 230 ft (70 m). The strike of the Main Zone now totals 2,150 ft (655 m). Results from these two holes are listed below.
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Hole # Silver Length From To Silver Length From To
------------------------------------------ --------------------------------
(opt) (ft) (ft) (ft) (gpt) (m) (m) (m)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
GAX-163 2.7 11.0 70.0 81.0 93.4 3.4 21.4 24.7
Including 6.3 3.6 72.5 76.1 217.0 1.1 22.1 23.2
And 1.4 32.3 105.6 138.0 47.9 9.9 32.2 42.1
And 2.8 15.7 464.9 480.6 96.6 4.8 141.7 146.5
----------------------------------------------------------------------------
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GAX-164 1.9 71.5 83.3 154.9 66.5 21.8 25.4 47.2
Including 7.8 6.2 83.3 89.6 267.0 1.9 25.4 27.3
----------------------------------------------------------------------------
All depths indicated in table are down hole
0.73 opt Ag (25 gpt Ag) cutoff
Allowable waste interval was 19.7 ft (6 m) of less than 0.73 opt Ag (25 gpt
Ag)
Numbers may not add due to rounding
True widths are unknown
Gap Continues to Close Between Main and North Zone (Fig. 1)
One of the goals for the 2010 drilling program is to establish continuity between the Main and North Zones. The results highlighted below are the most recent from this area and demonstrate that the distance between the Main and North Zones continues to close (Fig. 1). If additional drilling is successful the area could conceivably be mined as one large open pit as opposed to two smaller pits. Highlights are shown below:
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Hole # Silver Length From To Silver Length From To
------------------------------------------ --------------------------------
(opt) (ft) (ft) (ft) (gpt) (m) (m) (m)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
GAX-151 3.0 58.4 60.7 119.1 102.5 17.8 18.5 36.3
Including 13.7 4.9 106.6 111.5 470.5 1.5 32.5 34.0
----------------------------------------------------------------------------
----------------------------------------------------------------------------
GAX-161 5.5 18.4 62.3 80.7 189.0 5.6 19.0 24.6
----------------------------------------------------------------------------
All depths indicated in table are down hole
0.73 opt Ag (25 gpt Ag) cutoff
Allowable waste interval was 19.7 ft (6 m) of less than 0.73 opt Ag (25 gpt
Ag)
Numbers may not add due to rounding
True widths are unknown
Parallel Zone Continues to Emerge (Fig. 1)
A fourth core hole has now successfully encountered what US Gold's geologists believe is a new zone that parallel's the Main Zone. GAX-156 was drilled 165 ft (50 m) east of our previous hole GAX-101 (5.8 opt silver over 5.6 ft (200.0 gpt silver over 1.7 m)). The known strike length of the parallel zone totals 360 ft (110 m). Results for GAX-156 are listed below.
----------------------------------------------------------------------------
Hole # Silver Length From To Silver Length From To
------------------------------------------ --------------------------------
(opt) (ft) (ft) (ft) (gpt) (m) (m) (m)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
GAX-156 7.0 12.5 17.7 30.2 238.9 3.8 5.4 9.2
----------------------------------------------------------------------------
All depths indicated in table are down hole
0.73 opt Ag (25 gpt Ag) cutoff
Allowable waste interval was 19.7 ft (6 m) of less than 0.73 opt Ag (25 gpt
Ag)
Numbers may not add due to rounding
True widths are unknown
US Gold - Up Coming News from Mexico
US Gold's drill program is one of the largest currently underway in Mexico and the company is anticipating a number of exciting developments over the coming months. First, an additional twenty core holes from El Gallo will be released in approximately two weeks. Second, El Gallo's initial resource estimate will be published in four weeks. Third, additional drill results from regional exploration will be announced mid July. Work is also well underway on El Gallo's Preliminary Economic Assessment (scoping study), which will be released by year-end. This is a very exciting time for US Gold's shareholders.
Geological Technical Description of El Gallo
El Gallo is a low-sulfidation, epithermal silver deposit located within the Pie de la Sierra physiographic province of the Sierra Madre Occidental Range which is part of a Cretaceous to Tertiary magmatic arc with volcanic and associated sedimentary rocks that extends for hundreds of miles through northwestern Mexico. Cretaceous-Tertiary volcanic and volcaniclastic rocks rest upon a basement of Paleozoic and Mesozoic sedimentary and metamorphic rocks. Intrusives of Late Cretaceous and Tertiary age cut these rocks locally. Regionally, these intrusives are dominated by the granitic Sinaloa Batholith. The El Gallo project is located near the margin of the Sinaloa Batholith. Other shallow-level porphyritic intrusives also occur within the project area. Silver mineralization is hosted in breccia and stockwork zones that occur primarily in the andesitic volcanic and intrusive rocks and to a lesser extent in quartz monzonite porphyry intrusive rocks. The shape of the mineralization has not yet been fully defined.
To view the 18 new core holes from this news release click here: http://media3.marketwire.com/docs/uxg_Table1.pdf. To view all 161 core holes drilled at El Gallo, please click: http://www.usgold.com/news/pdf/20090805_uxg_elgalloallholes.pdf
To view assays intervals from core holes GAX-155, please click: http://www.usgold.com/news/pdf/20100610/gax155nr.xls
To view Figure 1 El Gallo Drill Hole Locations - Plan (Aerial) View, please visit the following link: http://media3.marketwire.com/docs/uxg_Figure_1.pdf
To view Figure 2 El Gallo Cross Section Locations - Plan (Aerial) View, please visit the following link: http://media3.marketwire.com/docs/uxg_Figure_2.pdf
To view Figure 3 El Gallo Cross Section - Looking East (Section Number: NWSE South 24), please visit the following link: http://media3.marketwire.com/docs/uxg_Figure_3.pdf
To view Figure 4 El Gallo Cross Section - Looking East (Section Number: NWSE South 17), please visit the following link: http://media3.marketwire.com/docs/uxg_Figure_4.pdf
ABOUT US GOLD (www.usgold.com)
US Gold is a Colorado incorporated company that explores for gold and silver. It has an exciting high-grade silver discovery in Mexico that is rapidly expanding in size and it has completed a Preliminary Economic Assessment for building a gold mine in Nevada. US Gold has a strong treasury and is debt free. US Gold's goal is to qualify for inclusion in the S&P 500 within the next 5 years. The company's shares are listed on the NYSE Amex and the Toronto Stock Exchange under the symbol UXG, trading 1.0 million shares daily. US Gold's shares are also included in S&P/TSX and Russell indices.
QUALIFIED PERSON
This news release has been viewed and approved by John Read, US Gold's consulting geologist, who is a Qualified Person as defined by National Instrument 43-101 and is responsible for program design and quality control of exploration undertaken by the Company at its Mexican exploration properties.
Samples from the core drilling were split on-site at the Company's Magistral Mine property. One quarter of the split drill core was shipped to ALS Chemex in Hermosillo for sample preparation and analysis by 4-acid digestion with ICP determination for silver and fire assay for gold. Samples returning greater than 1500 ppm silver or 10 ppm gold were re-analyzed using gravimetric fire assay. Standards were inserted every 20 samples.
All holes were drilled with HQ bits. Samples were taken based on lithologic and/or mineralized intervals and vary in length. The true width of the mineral zone has not yet been determined.
Certain statements contained herein and subsequent oral statements made by and on behalf of the Company may contain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements may be identified by words such as "intends," "anticipates," "believes," "expects" and "hopes" and include, without limitation, statements regarding the Company's results of exploration, plan of business operations, potential contractual arrangements, receipt of working capital, anticipated revenues and related expenditures. Factors that could cause actual results to differ materially include, among others, those set forth in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2009 and other filings with the Securities and Exchange Commission, under the caption "Risk Factors". Most of these factors are outside the control of the Company. Investors are cautioned not to put undue reliance on forward-looking statements. Except as otherwise required by applicable securities statutes or regulations, the Company disclaims any intent or obligation to update publicly these forward looking statements, whether as a result of new information, future events or otherwise. | |
| CONTACT INFORMATION:
US Gold Corporation
Ian J. Ball
VP, Mexico
(647) 258-0395 or Toll Free: (866) 441-0690
Fax: (647) 258-0408
or
US Gold Corporation
Mailing Address
99 George Street, 3rd Floor
Toronto, ON M5A 2N4
info@usgold.com
www.usgold.com
|
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McEwen Mining Inc
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PRODUCTEUR |
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CODE : MUX |
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ISIN : US58039P1075 |
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McEwen Mining est une société de production minière d'or et d'argent basée au Canada. McEwen Mining détient divers projets d'exploration au Mexique. Ses principaux projets en production sont MAGISTRAL MINE au Mexique et SAN JOSE ARGENTINA en Argentine, son principal projet en développement est EL GALLO MEXICO au Mexique et ses principaux projets en exploration sont PALMARITO, GOLD PICK AND GOLD RIDGE, TONKIN PROJECT et MAGISTRAL au Mexique et LOS AZULES ARGENTINA et LIMO en Argentine. McEwen Mining est cotée au Canada, aux Etats-Unis D'Amerique et en Allemagne. Sa capitalisation boursière aujourd'hui est 2,7 milliards US$ (2,6 milliards €). La valeur de son action a atteint son plus bas niveau récent le 29 juillet 2022 à 0,32 US$, et son plus haut niveau récent le 19 juillet 2024 à 9,99 US$. McEwen Mining possède 337 054 594 actions en circulation. |
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