Great update VANCOUVER, British Columbia, April 22, 2021 (GLOBE NEWSWIRE) -- Marimaca Copper Corp. (“Marimaca Copper” or the “Company”) (TSX: MARI) is pleased to announce the definition of a new, large scale, copper geochemical anomaly at the Roble Target (“Roble”), which it plans to drill test over the coming months. In addition, the first phase of drilling has been completed at the Marimaca Sulphide Target, with all remaining assays expected towards the end of April 2021.
Highlights
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Roble Target extends over 3km of strike
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Strong geochemical anomaly identified extending 1,500m by nearly 500m
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50m x 50m grid soil sampling completed
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Reconnaissance and outcrop mapping identified widespread copper oxide mineralization
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Numerous high-grade rock chip samples, including:
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2.30% CuT, 2.21% CuT, 1.69% CuT, 1.66% CuT, 1.54% CuT, 1.08% CuT and 0.94% CuT
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Widespread mineralization in rock chip samples above 0.1% CuT
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Construction of drill pads at Roble commencing at the end of April for drilling prior to the end of the first half of 2021
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Cindy Target drilling to commence towards the end of April 2021
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Mercedes Target drill pad and access infrastructure preparation underway expected to be completed at the end of April 2021
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Marimaca Sulphide Target drilling complete, awaiting assays which are expected towards the end of April 2021
Sergio Rivera, VP Exploration of Marimaca Copper, commented:
“The Roble Target has delivered several surprises, most notable is the extent of outcropping copper oxide mineralization, which now covers an area of over 1,500m by nearly 500m. The Roble Target itself extends to more than 3km of strike, of which the most prospective area has been sampled and mapped and defines a much more extensive system than expected.
“During our investigation work, we found historical reports suggesting that some very shallow scout drilling had been completed, with one hole intersecting approximately 14m at 0.5% CuT of oxide mineralization from surface. While this data cannot be relied upon, it does provide us with additional information in an area extensively covered by sands, sulphate regolith and post mineralization gravels.
“Roble is shaping up as a very exciting target which we intend to drill after testing the Cindy Target, which should occur before the end of the first half of 2021.”
Overview of Roble Target
Roble is located approximately 3km to the northeast of the Company’s flagship Marimaca Oxide Deposit (“MOD”), within the northeast trending Roble Fault System. This is a splay off the regional scale Naguayn Fault System, which itself is an important control for mineralization at the MOD. Roble is associated with a large magnetic anomaly previously identified in the regional, high-resolution, drone mounted magnetics survey (refer to announcement on 23 September 2020).