Is Pampa Paciencia Next El Pen?
Chile produces more copper than any country in the world. But what about gold? One Vancouver-based junior explorer is seeking Chile’s next company-maker gold deposit, and it’s already finding similarities with another long-time gold and silver producing mine.
Hole PPRC-22-36 proved to be the highlight among 18 reverse-circulation drill holes published by Astra Exploration Inc. (ASTR.TSX.V) following the company’s first drill program at its flagship Pampa Paciencia gold-silver project in northern Chile.
The hole returned 3 meters grading 3.96 grams per tonne gold (3.96 g/t Au) and 37.67 g/t silver (Ag) as part of a broader intercept of 0.92 g/t Au and 8.61 g/t Ag over 31 meters at the Paciencia vein. The junior explorer now knows the mineralized zone in the Paciencia vein is at least 300 meters long —and it remains open at depth and along strike.
Another highlight was hole PPRC-22-24 (read this as: Pampa Paciencia reverse circulation-year-hole number) which hit 2.78 g/t Au and 75.6 g/t Ag over 2 meters, as part of a broader zone of 0.72 g/t gold and 19.38 g/t silver over 25 meters downhole at the Paciencia Oeste (Paciencia West) vein. This indicates a second mineralized zone, which is at least 200 meters long — it, too, remains open at depth and along strike.
The 18 holes were part of a 29-hole reverse-circulation drill campaign that wrapped up earlier this year. Results from the other 11 holes were published on May 2. The entire drill program cost the company an affordable CA$650,000.
The “best-in-show” hole among those published in the first release was PPRC-22-12, which hit 14.48 g/t Au and 39.7 g/t Ag over 3 meters, inside 21 meters running 2.71 g/t Au and 10.8 g/t Ag; while the runner-up was hole PPRC-22-13, which returned 3.28 g/t Au and 58.3 g/t Ag over 6 meters, as part of a broader zone of 1.6 g/t Au and 21.3 g/t Ag over 22 meters.
The vein structures at Pacienca Oeste and Paceincia Este were between 10 and 20 meters thick — that’s true thickness — and these occurred in shallow drill holes, usually 15 to 25 meters below surface (one hole went down as far as 75 meters at Paciencia Oeste).
Astra CEO Brian Miller says Astra’s discovery of some “blind veins” at Pampa Paciencia lends credibility to its exploration methods. Perhaps more importantly — as hole PPRC-22-12 demonstrates, at least in part — drilling revealed two high-grade ore shoots (at Paciencia and Paciencia Oeste) in the Paciencia vein system that remain open along strike and at depth.
“The vein thickness is consistently wide, and indicative of a large epithermal system under the gravel cover. We’ve identified two mineralized shoots, defined 1.4 kilometers of vein strike, and discovered two blind veins beneath the cover — all of which are shallow (less than 120 meters below surface) drill intersections and open at depth,” Astra CEO Brian Miller told Streetwise Reports.
Of note, drilling to date has occurred in a relatively small area of the North Zone that represents about 10% of the project area. That means 90% of the project area has yet to be tested.
Sometime this summer Astra plans to start its “Phase 2” drill program to expand the open intersections and explore for more veins.
Similarities with El Peñón
The company is not shy about comparing Pampa Pacienca to the El Peñón gold-silver mine, operated by Yamana Gold, some 175 km north — it’s one of the first things you will read on Astra’s website.
Pampa Paciencia shows signs that it is an epithermal gold-silver discovery. It lies in the same geological belt in the same country and in host rocks that are the same age as El Peñón. The old mine remains in production, and it produced more than 400,000 oz Au annually at its peak.
The deposits at El Peñón are low to intermediate epithermal gold-silver deposits, hosted in steeply dipping fault-controlled veins, while Astra describes Pampa Paciencia as a “low-sulphidation epithermal gold-silver project.”
Astra will have to conduct more exploration to confirm that Pampa Paciencia is indeed its “doppelganger.” And the junior explorer has the right team on board to lead the charge.
Astra Director Darcy Marud was a member of the Meridian Gold team that discovered El Peñón in the mid 1990s. He later became senior vice-president of exploration with Yamana Gold after the major bought Meridian in 2007. He remained with Yamana until 2017.
(Want one more similarity between Pampa Paciencia and El Peñón? Meridian Gold also had a CEO named Brian — Brian Kennedy).
Astra Exploration Director Diego Guido also has some discoveries under his belt. He is credited with the discovery of the Pingüino deposit in Santa Cruz, Argentina, and worked at Newmont Corp.’s (NEM:NYSE) Cerro Negro during its discovery.
Long before Astra started drilling, the exploration team completed property-wide mapping and sampling, as well as localized trenching. The work helped define a mineralized vein boulder field over roughly three-quarters of the project area, and the boulders were used to help determine drill targets.
Most of the drilling focused on the 1.4 -kilometer-long Paciencia vein system in the North Zone, which is comprised of Paciencia Oeste, Paciencia, and Paciencia Este vein segments.
Pampa Paciencia sits on a 38-square-kilometer land package with road access. It’s less than 15 kilometers from the Sierra Gorda copper-molybdenum mine, controlled by Polish company KGHM Polska Miedź S.A. (55%), and 5 kilometers from the Faride mine, another low-sulphidation epithermal vein deposit. Faride is a small operation now owned by Sierra Gorda.
Astra listed at CA$0.30 per share in late January. Since then it’s been battered by a downward-trending broad market and closed at CA$0.19 on May 24. But technical analyst Clive Maund sees upside from here in a May 25 post.
Maund writes: “After hitting bottom, [Astra] reversed into a gentle uptrend, which is continuing, and the reaction of the past several weeks back across this uptrend channel to its lower boundary is viewed as presenting a buying opportunity, especially given the good drilling results that were published this morning.”
Management owns about 26%, while Arena Minerals owns 23% (5.82 million shares). Toronto-based Dundee Precious Metals also has a position.
Fully diluted, Astra has about 27 million shares outstanding.
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1) Steve Sobek and Brian Sylvester compiled this article for Streetwise Reports LLC and provides services to Streetwise Reports as employees. They or members of their household own securities of the following companies mentioned in the article: None. They or members of their household are paid by the following companies mentioned in this article: None. Their company has a financial relationship with the following companies referred to in this article: None.
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