Soná, Panama
Encyclopedia
Soná is a town in Soná District, Veraguas
Soná District, Veraguas
The district of Soná is a district within the Province of Veraguas, situated in the Republic of Panama. The capital town of the district is also named Soná...

, Panama
Panama
Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...

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Sona city is located in Panama. It has been intermittently exploited by artisanal placer gold operations since Spanish colonial times. In the 1990s, Cyprus Minerals conducted stream sediment, soil and rock sampling on Sona. This work defined a 200 m by 300 m gold anomaly in soils, with assays up to 4.40 g/t Au. Oro Gold's work has confirmed the soil anomaly, with rock chip results up to 4.05 g/t Au. All three new anomalies are located outside the soil anomaly identified by Cyprus.

Mapping shows the property is underlain by granodiorite
Granodiorite
Granodiorite is an intrusive igneous rock similar to granite, but containing more plagioclase than orthoclase-type feldspar. Officially, it is defined as a phaneritic igneous rock with greater than 20% quartz by volume where at least 65% of the feldspar is plagioclase. It usually contains abundant...

 to monzonite
Monzonite
Monzonite is an intermediate igneous intrusive rock composed of approximately equal amounts of sodic to intermediate plagioclase and orthoclase feldspars with minor amounts of hornblende, biotite and other minerals...

 intrusive rocks with andesite
Andesite
Andesite is an extrusive igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. In a general sense, it is the intermediate type between basalt and dacite. The mineral assemblage is typically dominated by plagioclase plus pyroxene and/or hornblende. Magnetite,...

 flows and tuff
Tuff
Tuff is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock. Rock that contains greater than 50% tuff is considered...

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