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Aquifer Protection Permit Approval for the Bonanza Mining Company
Aquifer Protection Permit Approval for the Bonanza Mining Company.
About this update from Tombstone Exploration Corp.
[{"type":"text","content":"\n PHOENIX, Feb. 20, 2020 (GLOBE NEWSWIRE) -- Tombstone Exploration Corporation (OTCQB: TMBXF), a fully reporting U.S. based mining company, is pleased to announce in combination with Goldrock Resources Inc. and the Bonanza Mining Company that the ADEQ proposes to issue an Aquifer Protection Permit for the Bonanza Mining Company. The Arizona Department of Environmental Quality (ADEQ) proposes to issue an Aquifer Protection Permit (APP) for the subject facility that covers the life of the facility, including operational, closure, and post-closure periods unless suspended or revoked pursuant to Arizona Administrative Code (A.A.C.) R18-9-A213. The requirements contained in this Permit will allow the permittee to comply with the two key requirements of the Aquifer Protection Program: 1) meet Aquifer Water Quality Standards (AWQS) at the Point of Compliance (POC); and 2) demonstrate Best Available Demonstrated Control Technology (BADCT). BADCT's purpose is to employ engineering controls, processes, operating methods or other alternatives, including site-specific characteristics (i.e., the local subsurface geology), to reduce discharge of pollutants to the greatest degree achievable before they reach the aquifer or to prevent pollutants from reaching the aquifer. Facility Location:8 miles north of the Hovatter Road exit off of Interstate -10, and 8 miles south of Salome, ArizonaLatitude: 33° 40.131’NLongitude: 113° 35.177’W Facility Description:Bonanza Mining Company (Bonanza) will operate the Harquahala Mine to reprocess historical (pre-1986) surface gold bearing ores and tailings. The operation will collect the historic ores and tailings to extract and recover the gold. Approximately 242,000 cubic yards of historic ores and tailings will be consolidated in controlled areas prior to being sized and placed onto a newly constructed double-lined heap leach pad (approximately 314,000 square foot (sq. ft)). The gold will be extracted in the newly constructed 4,126,239 gallon double-lined pregnant solution pond, with a maximum operational storage requirement estimated to be 3,965,780 gallons. The extraction operation will consist of loading and hauling; primary and secondary crushing; agglomeration and stacking; heap leaching using cyanide solution, storage of process solutions in ponds; and precious metals recovery u...