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PROJECTS / Oro Polymetallic Project, New Mexico

The 6.9 sq. km Oro Project comprises eight patented mining claims and 89 BLM mineral claims which cover the majority of the historic Eureka Mining District in Grant County, New Mexico and is located approximately 40 km SW of the Silver City porphyry copper district.

Property Location

In January 2013, Desert Star Resources optioned the Oro Project from Southern Silver. Desert Star can earn up to 70% interest in the Project with staged expenditures of $6 million over ten years. Highlights include:

  • $75,000 upon execution paid to Southern Silver upon execution (completed)
  • Addition cash payment of $150,000 by August 1 2013 (completed)
  • Earn 51% by incurring exploration expenditures aggregating $3 Million and issuing an aggregate of 1,000,000 common shares to Southern Silver over a 42 month period
  • Earn an additional 19% by incurring a further $3 Million in exploration expenditures and completing a Preliminary Economic Assessment over a 66month period

The Oro claims surround a highly prospective 3 kilometer by 2 kilometer quartz-sericite-pyrite alteration footprint, interpreted to overlie an unexposed porphyry center.  Classic porphyry system zonation is indicated by surface gold and copper mineralization associated with Laramide-age intrusions in this core area, flanked by distal lead-zinc skarn mineralization and sediment-hosted gold occurrences.  

In addition to bulk tonnage porphyry copper-molybdenum-gold potential, the Oro Claims also include the highly prospective, high-grade sediment-hosted Stock Pond gold target.  Reconnaissance rock sampling has been completed over a strike length of 140 meters at Stock Pond, yielding values up to 4.8 g/t gold.  Gold mineralization at Stock Pond is interpreted to be related to the main porphyry center, located 4 kilometers to the southwest.

Desert Star Resources intends to conduct a systematic exploration program on the Oro Project in 2014.  The 2014 exploration program includes a detailed deep penetrating geophysical program, surface mapping, sampling, trenching and diamond drilling to test both the porphyry potential on the property as well as the gold potential at Stock Pond.

In 1877, the discovery of lead, copper, and silver created the Eureka Mining District. By 1880, several high-grade base and precious metal mines were in operation in the district, but were mined sporadically due to hostile local inhabitants and fluctuating silver prices.

Production began at the Oro Project shortly after the discovery of lead, silver, and copper in 1877 and continued sporadically through the early 1960’s. The New Mexico Bureau of Mines estimates production from the Eureka District between 1880 and 1961 at 2.9 million pounds of lead, 1.7 million pounds of zinc, 0.5 million pounds of copper, 0.45 million ounces of silver and 5,000 ounces of gold. Reported grades are in the range of 20 oz/ton (685 g/t) Ag, 4% combined Zn and Pb, and up to 0.04 oz/ton (1.4g/t) Au. Smaller amounts of high grade mineralization were reported to have assayed up to 5.5% Cu and 840 oz/ton Ag.

The early phase of mining in the Eureka Mining District lasted until the 1920s, when a decrease in metal prices made the mines uneconomic. Limited work has been done in the region since then, with the most recent records of exploration and mining dating to the early 1960s. Historical records indicate that low metal prices were again responsible for the cessation of mining activity in the area in 1960, and that untested targets remain in the vicinity of the old mine workings, particularly at the American Mine, now part of the Oro claim group. Commenting on the New Mexico project, Lawrence Page, president, said, “The presence of historical base and precious metal mines from the late 19th and early 20th centuries, coupled with a relative lack of modern exploration in the area, make the Oro Project an exciting potential location of future discovery”.