Galileo Resources - EM Survey commences on Kalahari Copper Belt tenure
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("Galileo" or "the Company")
Dissemination of a regulatory announcement that contains
inside information according to Regulation (EU) number 596/2014 (MAR)
· Galileo has commenced the planned Helicopter-borne
· The survey is being completed using NRG's Xcite™ Airborne Electromagnetic (AEM) system
· The Objective of the EM survey is to define the most prospective structural setting mineralisation within PL40/2018 and PL39/2018, as well as possibly directly detect any conductive mineralisation present. The juxtaposition of an isolated conductive anomaly and a dome feature in the EM data would represent a high priority target for drill testing.
· As announced on 12th August, PL40/2018 and PL39/2018 are considered highly prospective because they are interpreted to have similar geological settings to
· The southern portion of PL40/2018 is considered particularly prospective as this area is located within a WNW-ESE trending zone that contains five copper-silver deposits previously discovered in the KCB, including Plutus, Zeta, NE Zeta, Zone 5 Nth and Zone 5
· Again, as announced on 12th August, PL40/2018 and PL39/2018 also lie along strike of Sandfire Resources T3 and A4 copper-silver deposits, as well as Cupric's
· NRG's Xcite™ Airborne Electromagnetic (AEM) system is understood to have been instrumental in the discovery of Sandfire Resources' (ASX:SFR) exciting, high-grade copper A4 Dome Prospect; where recent drilling has returned intercepts up to 18m at 5.2% Cu and 124g/t Ag from 77m down-hole
Geological Setting Interpretation and Technical Justification for PL40/2018 and PL39/2018
The geological setting beneath the Kalahari overburden for the area covered by PL40/2018 and PL39/2018 has been interpreted from the regional aeromagnetic and EM data to have strong similarities with the synclinal geological setting that hosts
The interpreted regional synclinal settings of Galileo's PL40/2018 and PL39/2018 and
It is also observed that the southern half of PL40/2018 is in a direct line from the Zone 5, Zone 5 Nth, NE Zeta, Zeta and Plutus copper-silver deposits. The observation that these deposits are all in a WNW-ESE trending line perpendicular to the strike of the stratigraphic units in this area is interpreted to suggest that there may be an original extensional transfer/transform fault (vertical fault oriented sub-parallel to the direction of extension, separating individual segments of Graben and Horst extensional zones) connecting these ore deposits that was the key conduit for the metal-enriched hydrothermal fluids that resulted in the precipitation of the syn-extensional mineralisation (sedimentary copper style). Therefore, it is interpreted that the southernmost part of PL40/2018 is the most prospective and that exploration should be focussed in this area.
Historically, the two main exploration tools that have been responsible for the discovery of all the copper-silver deposits throughout the KCB are soil sampling and electromagnetic (EM) surveys. EM surveys have mainly been utilised as an exploration tool for understanding the geological setting of the various KCB stratigraphic units under the Kalahari overburden. Modelling of the conductive response from the well-established Carbonaceous Marker Horizon allows for the relatively easy interpretation of the location and drill targeting of the prospective D'kar Fm/Ngwako Pan Formation contact at depth. However, in some instances where the copper mineralisation is predominantly composed of chalcopyrite, such as at T3 and A4 prospects, EM surveys have also been successful in directly detecting copper mineralisation.
Galileo's EM survey exploration program is aimed at defining the most prospective structural setting for sulphide accumulations within PL40/2018 and PL39/2018, as well as possibly directly detect geochemical signatures from soil surveys. The juxtaposition of a soil geochemical anomaly and a dome feature in the EM data represents the highest priority target for drill testing.
Project Background - Kalahari Copper Belt ('KCB')
The KCB, approximately 800km long by up to 250km wide, is a northeast-trending
In most of
Known deposits generally occur at the contact of the low and medium intensity magnetic features and are spatially associated with elongated, magnetic dome features. Magnetic domes represent volcanic basement rocks interpreted to be the source of copper mineralisation.
The KCB has been investigated by a number of companies over recent years, which has resulted in the discovery of several copper-silver prospects and deposits. Larger prospects have been identified by
Sandfire's licences are located southwest of the
Technical information in this announcement has been reviewed by
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Syncline: typically, a downward fold where the youngest stratigraphic units are preserved towards the centre.
Anticline: typically, an upward fold where the oldest stratigraphic units are preserved towards the centre.
Horst: a raised fault block bounded by normal faults, resulting from extension (stretching) of the earth's crust.
Graben: a basin that lies between normal faults, usually bounded by Horst structures. Horst and graben structures are the result of tensional forces and crustal extension (stretching).
REDOX boundary: boundary between chemically reduced sediments (created in a low oxygen environment) and oxidised sediments.
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