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San Antonio
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Target Minerals:
Gold, Copper, Silver & Zinc
Size:
27,000 Ha.
Location:
The Maimon Formation, in the central Dominican Republic, is host to an emerging volcanogenic massive sulphide ("VMS") district containing a series of precious metal rich copper-zinc VMS deposits and occurrences. Through its Dominican subsidiaries, Energold holds rights to eleven concessions in the Maimon Formation, collectively know as the Maimon Formation Properties. The Maimon Properties include the concessions of La Parcela, Winkie, Elsa, Aniana, Gopher, Lidia and Piedra Grande.
Central to Energold's Maimon Formation Properties is the La Parcela (formerly San Antonio I) Concession, where past exploration has begun to outline at least three horizons of VMS mineralization which traverse the eight kilometer length of the property. The project is covered mainly by tropical jungle and pasture land. A rural highway as well as paved and gravel roads connecting various villages and a network of trails provide excellent access to the area.
Property Geology and Mineralization:
The property is primarily underlain by the volcano-sedimentary rocks of the Lower Cretaceous Maimon Formation in a steeply dipping faulted contact with Upper Cretaceous basaltic rocks of the Peralvillo Formation in the southwest. The Maimon-Peravillo belt is bounded by two major structures. To the northeast the Maimon Formation rocks are in thrusted contact with sediments of the Upper Cretaceous Don Juan Formation, while further southwest the Hispaniola Fault Zone separates the Peralvillo Formation from serpentenized peridotite of the Lower Cretaceous Loma Caribe terrane.
On the La Parcela Property, precious metal enriched VMS mineralization similar to these occurrences has been discovered within a 7 km by 1 km area of anomalous gold and copper geochemistry in soil and rock. Volcanogenic sulphide mineralization and exhalative barite and jasper occur at three or more stratigraphic levels with the La Parcela concession (formerly San Antonio 1). The Parcela zone consists of zinc, copper, silver and gold bearing massive sulphides occurring at the contact of footwall felsic pyroclastic rocks and hanging wall epiclastic rocks. It has been intersected by 9 diamond drill holes over a 400 m strike length and 275 m down dip, ranging in thickness from 0.3 to 14 m. The Copper Zone is located 1.5 km east of the Parcela zone and lies lower in the stratigraphy, at the contact between footwall mafic rocks and hanging wall felsic pyroclastic rocks which form the footwall to the mineralization at the Parcela zone. It has been intersected by 6 drill holes and has a strike length of over 200 m, a dip extent of at least 175 m, and is up to 3.1 m thick. Other areas of sulphide and/or exhalative mineralization include the Jasper-Barite zone, located just to the west of the Copper zone and the 1100W Showing, a precious metal-rich massive barite showing located 1.7 km to the SE of the Copper Zone. As well, numerous gossans with gold ± base metal mineralization form a discontinous string of anomalies stretching from just south of the Parcela zone to the southeast of the La Parcela Concession.
IP/resistivity surveys conducted over the Parcela and Copper Zones, and over the area between these 2 zones outlined a number of anomalies. While most work has concentrated in the Parcela and Copper zones, the area between the Parcela and Copper zones has not been sufficiently drill-tested, and additional drilling has been proposed here.
Drill intercepts include 5.9% copper, 3.5% zinc, 86 grams of silver per tonne and 2.3 grams of gold per tonne over 3.4 meters at the La Parcela Zone and 1.5% copper, 14.6% zinc, 78 grams of silver per tonne and 2.9 grams of gold per tonne over 3.1 meters at the Copper Zone. These grades, combined with strike lengths for individual zones of up to 400 meters and true widths of up to 14 meters indicate a robust, well mineralized system.
In February of 2003, Energold received the results of a detailed report on the project. The report authored by Peter Daubeny, the project geologist during the 1999/2000 drill program was completed as part of the requirements of a Masters degree in Mineral Exploration from Queens University in Kingston, Ontario. The report suggests the presence of additional massive sulphide bodies, particularly in the area between the Copper and La Parcela Zones.
Twenty kilometres to the northwest of the San Antonio Project is Globestar Mining Corporation's Cerro de Maimon deposit. Globestar reports Cerro de Maimon to contain a measured and indicated oxide resource of 664,000 tonnes grading 2.54 g/t gold and 63.80 g/t silver at a 1.0 g/t gold cut-off and a measured and indicated sulphide resource of 4,111,000 tonnes grading 2.93% copper, and 1.75% zinc at a 1.0% copper cut-off. (Globestar Mining Corp. July 15/2003)
Energold is encouraged by the results of the recent program, as they demonstrate the potential for oxide gold as well as massive sulphide mineralization in the Copper and Parcela zones, similar to that at Cerro de Maimon.
Numerous gold and base metal anomalies, along with favourable geology and alteration, have been discovered on Energold's Winkie, Elsa, Aniana, Gopher, Lidia and Piedra Grande Concessions, surrounding La Parcela. These discoveries have provided considerable encouragement and suggest excellent potential for the discovery and delineation of nearby zones of mineralization, both within the favourable horizons already discovered and at other levels within the stratigraphy.
Exploration:
The San Antonio Project is currently available for Joint Venture Opportunities.
Maps and Photos:
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