Avidian Gold Corp. (TSXV: AVG) (OTCQB: AVGDF) continues to expand the known mineralisation with results from Copper King/Long Creek 2021 reverse-circulation (RC) drilling programme at the Golden Zone Project in Alaska.
A total of 1,512.54 m in ten RC holes were drilled within the Copper King/Long Creek area as a follow-up to the previous drilling to test the continuity of a known mineralised conglomeratic unit and geophysical targets related to a large magnetic low and CSAMT Impedance anomaly which defined near-surface resistivity highs that are interpreted to be intrusions into overlying sediments, all within the vicinity of a quartz-eye granite porphyry.
Mineralisation styles at Copper King occurring within 250 m of the main granite outcrop include: i) replacement mineralisation in conglomerate such as seen in T18-11 that encountered 21.0 m @ 0.13 g/t Au, 13.1 g/t Ag, and 0.45% Cu and 3.0 m @ 16.08 g/t Au, 50.6 g/t Ag and 0.78% Cu in T18-05; ii) massive sulphide skarn mineralisation such as 9.1 m @ 8.71 g/t Au, 80.8 g/t Ag, 3.57% Cu in hole CK18-01; iii) stockwork quartz mineralisation such as in a grab sample that returned 4.8 g/t Au, 106 g/t Ag, 1.41% Cu; iv) quartz-sulphide vein mineralisation as seen in historic hole CK-94-2 that returned 6.1 m @ 1.09 g/t Au, 9.17 g/t Ag and 0.36% Cu; and mafic dike-related mineralisation as in a grab sample that returned 1.44 g/t Au, 87.5 g/t Ag, 3.29% Cu.
Drilling in the Copper King/Long Creek area in 2021 focused on two main targets. The first is replacement mineralisation within a conglomerate horizon that is intermittently exposed over a strike length of two km as this conglomerate is known to contain significant mineralisation locally as noted above.
The drilling programme only tested the north-eastern portion of the conglomerate horizon (five holes) over a strike length of approximately on three km at a minimum 200 m spacing with significantly anomalous Cu, Ag, and Au noted in four of five holes such as 10.67 m @ 0.51 g/t Au, 7.3 g/t Ag and 0.19 % Cu including 1.52 m @ 2.23 g/t Au, 18.3 g/t Ag and 0.43% Cu in hole GZ21RC-07.
The second target is mineralisation more clearly related to the quartz-eye porphyry granite (Styles ii to iv as above) in the vicinity of a CSAMT Impedance anomaly. Hole GZ21RC-13 encountered 6.1 m @ 0.36 g/t Au, 16.7 g/t Ag and 0.23% Cu, and 4.57 m @ 0.81 g/t Au including 1.53 m @ 1.68 g/t Au.
“The 2021 drilling results suggest that in the Copper King and Long Creek area, a nearby mineralised intrusive provided gold, copper and silver-bearing solutions that precipitated into favourable permeable sedimentary units that can be traced for over two km and that could ultimately host a copper, gold plus silver deposit,” President and CEO, Steve Roebuck, said.
“In addition, all indications are that the source intrusive is likely at a relatively shallow depth and that modestly deeper drilling will be required to test it as it is this type of target that could host a large deposit.
“These results in conjunction with the previous results reported on the property clearly show its potential to host one or more significant deposits.”
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