Imminent copper drilling campaign16 Jun 2021 08:27
Highlights:
· Two main targets have been highlighted, with both showing very strong magnetic responses, which are being interpreted as magnetite alteration - an important feature associated with many porphyry copper deposits.
· The targets commence approximately 500 m below surface.
· The larger target is 1.5 km long, 700 m wide and occurs between 400 m and 1.3 km deep and remains open beyond that depth.
· The smaller target is 900 m long, 250 m wide and occurs between 600 m and at least 1 km deep.
· Historical diamond drilling from 1972, directly above the targets, intersected typical porphyry grades including 88 m @ 0.23% Cu and 75 m @ 0.13% Cu, with most holes ending in copper mineralisation. Peak values from core sampling were 3.77% Cu and 1.8 g/t Au.
· Alteration identified in core is primarily sericite/pyrite (+/- silica) phyllic alteration, suggesting that the current surface is at the upper-mid levels of a copper/gold porphyry system.
· Sulphides in core range from 3-15% pyrite, with associated chalcopyrite. Fluids are recorded in geological logs as being focussed within porphyritic intrusions and breccias.
· Rockfire is preparing for drilling initially at the Copperhead porphyry copper project and intends to drill these new magnetic anomalies at Copper Dome also during this field season.
Full funded to drill at copper head and both copper dome targets - I recommend dyor on the 3 to see the potential each campaign has to find and prove assets that could be trasformative for rockfire + gold assets
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