Kodiak Copper

Aztec Minerals Options Historic Tombstone Silver Mining Properties in Arizona

Vancouver, British Columbia (FSCwire) - Aztec Minerals Corp. (AZT: TSX-V, OTCQB: AZZTF) (“Aztec”) announces it has signed an option agreement with Baroyeca Gold & Silver (and its US subsidiaries Tombstone Gold & Silver Inc. and Tombstone Resources Inc., collectively “Baroyeca”) to acquire a 75% interest in a package of mineral properties (the “Properties”) containing many of the historic silver mining properties in the famous Tombstone mining district, Cochise County, Arizona.

The Properties include the historic Contention Mine and surrounding patented claims totalling 404 acres (163.5 hectares) with an additional 24 acres (9.7 hectares) of unpatented claims.

Aztec can acquire the 75% interest by spending an aggregate of CAD$1,000,000 on exploration, making an aggregate of CAD$100,000 in cash payments, and issuing an aggregate of 1,000,000 Aztec common shares to Baroyeca over a 3 year period, as follows:

  Exploration Expenditures Cash Payments Share Issuances
  On signing $Nil $10,000 $Nil
  Year 1 $50,000 $30,000 100,000
  Year 2 $300,000 $30,000 300,000
  Year 3 $650,000 $30,000 600,000
  Total $1,000,000 $100,000 1,000,000

The Tombstone Mining District, located 65 miles southeast of Tucson, Arizona and accessed by State Highway 80, is well known for its high grade, oxidized, carbonate replacement deposits (“CRD”) of silver-gold-lead mineralization hosted in veins, mantos, pipes and disseminated orebodies. The original silver discovery was in 1877 and historic production in the district from 1878 to 1939 is reported at 32 million ounces silver from 1.5 million tons averaging 21.3 ounces per ton, 240,000 ounces gold, 65 million pounds lead, 2.5 million pounds copper and 1.1 million pounds zinc.

Some of the richest production in the district was from the Grand Central and Contention Mines, both located on the Baroyeca properties. Historic underground oxide ore grades in the district reportedly averaged 26 oz per ton (“opT”), equal to 892 grams per tonne (“gpt”), silver, 0.21 opT (7.2 gpt) gold and 2.25% lead.  Sporadic underground mining continued until 1980, when open pit, heap leach mining commenced at the Contention Pit. The Contention Pit operated until 1985 with two brief attempts to restart the mine in the late 1980’s and early 1990’s.  Open pit, heap leach mine production totaled around 1.86 million tons, grading 1.25 opT silver and 0.02 opT gold, for metal production of approximately 1.1 million oz silver and 20,000 oz gold.  Although there are several reports about the historic production from the district and the Baroyeca Properties, Aztec has not verified these historic results and is not relying on them.   The main source of historical information referred to herein is the Baroyeca NI 43-101 report on the Properties by Linda Caron dated August 23, 2011. Historical production grades are not an indication of existing mineral resources or grades of any existing mineral deposits. 

In the 1990’s, the properties underwent two shallow RC drill programs, primarily near the Contention Pit.  USMX drilled 20,040 feet (6,108 meters) in 63 drill holes in 1993 and MPV Capital drilled 6,125 feet (1,867 meters) in 14 holes in 1994.  One of USMX’s better drill intercepts assayed 0.062 opT (2.1 gpt) gold and 1.23 opT 42.2 gpt) silver over 125 feet in length in hole TR8 and one of MPV’s better drill intercepts returned 0.176 opT (6.0 gpt) gold and 6.39 opT (219 gpt) silver over 25 feet (7.6 meters).  Although there are several reports about the historic exploration results on the properties, Aztec has not verified these historic results and is not relying on them.  Aztec does not have any information on the quality assurance or quality control measures taken in connection with these historical exploration results, or other exploration or testing details regarding these results.

The option agreement with Baroyeca remains subject to certain conditions precedent, including the approval of the TSX Venture Exchange.

Aztec Minerals CEO Joey Wilkins commented, “Tombstone adds a second district-scale exploration project to our property portfolio.  We are acquiring these Tombstone properties because we see an entire district with a prolific history of small scale, high-grade mining and a significant lack of modern exploration to discover new orebodies.  We have identified several shallow oxide and deeper sulphide precious and base metal exploration targets in the Property, including in and around the Contention Pit.

“We believe the Baroyeca Properties have substantial untapped potential, especially below the water table around 600 feet deep, because that is where the oxide ores stopped and sulfide ores could start.   CRD deposits are typically related to granitic intrusions where the source of gold-silver mineralization   could be a porphyry type system. We will take a systematic approach to exploring the properties by digitizing all historic work, evaluating available data on small historic gold-silver deposits, and completing detailed surface work such as structural and alteration mapping, geochemical sampling and geophysical surveying followed by drilling.”

Joey Wilkins, B.Sc., P.Geo., is the Qualified Person who reviewed the historic data, visited the property and approved the technical disclosures in this news release. 

About Aztec Minerals – Aztec is a mineral exploration company focused on the discovery of large porphyry gold-copper deposits in the Americas. Our first project and core asset is the prospective Cervantes gold-copper property in Sonora, Mexico.  Aztec’s shares trade on the TSX-V stock exchange under the symbol AZT and on the OTCQB under the symbol AZZTF.

GET DAILY NEWS FLOW

Sign Up To Receive All Morning
News To Your Email Inbox

Please review our Disclaimer and Privacy Policy before subscribing.