Greencastle Resources Releases Initial Diamond Drilling Results from Rockstone Property

Greencastle Resources has announced that it has drilled four holes, totaling 915 m, during the preliminary diamond drill campaign conducted at the company’s Rockstone property, situated between Thunder Bay and Shebandowan in Northwest Ontario. This property includes 340 claim units.

The claims of the Rockstone property are situated over several geophysical anomalies that were created from a former aerial electromagnetic (VTEM) survey, which was carried out by the property vendor. These anomalies enclose some 270 sq. km of area. The company has found the property’s rock outcrop to be thin but has analyzed the geology of the outcrop to be of typical Archean greenstone belt rocks, which include mafic to felsic metavolcanics together with clastic metasediments and iron formation.

The company planned the campaign, which was carried out to examine the base metal massive sulphide occurrence and offer data from which to examine numerous geophysical anomalies found in the database. The holes encountered a series of intermediate to mafic pyroclastic volcanic rocks, which comprise pyrrhotite and pyrite disseminations as well as locally minor sphalerite and chalcopyrite, in all the drill holes.

Additionally, graphite was found to be coating planar surfaces in different amounts across certain segments of the holes. The drill program, which focused on the grouping of pyrite-pyrrhotite and graphitic stringer zones located in the volcanic stratigraphy, may define the aerial geophysical anomalies that was examine so far. The company sampled numerous sulphide-bearing intersections for base metals and gold but did not encounter any important values. Several conductive geophysical anomalies need to be drill-tested at the Rockstone property.

Greencastle is striving to validate the drilling information with an aim to perform down-hole geophysical survey on some drill holes, once it completes other geophysical assessments of the core.

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