Newrange Gold Corp.’s (TSXV: NRG) new mapping and sampling programme in the historic Central Mine area of its Pamlico Project in Nevada has indicated widespread gold mineralisation with values up to 47.34 g/t.
The work’s focus is on the larger scale geological setting, and as there is little historical information from the mine itself, a preliminary programme of mapping mineralised structures and sampling dump material from the numerous adits was undertaken to determine what had been mined in the past.
Gold mineralisation seems to have been confined to a volcano-sedimentary (VS) unit on the west side of a limestone ridge. A total of 67 grab samples were taken of quartz breccia material (most with iron oxides) in the old mine dumps extending over an area of approximately 700 metres north-south by up to 350 metres east-west. Of these samples, 55 (78%) returned gold values greater than 0.1 g/t, 29 samples (43%) were greater than 1.0 g/t and 13 (19%) assayed more than 5.0 g/t Au.
“These results are very encouraging in that they give us a better understanding of the style of mineralisation in the Central Mine area,” President and CEO, Robert Archer, said.
“As the area had not been previously mapped in detail, the new information will be important for our follow up drilling.
“The ‘91’ Zone discovered by Newrange in late 2020 lies just on the eastern edge of here at a vertical depth of approximately 100 metres. Although we do not have any reliable production figures with that in the ‘91’ Zone suggests that a significant mineralising system is present here.
“Furthermore, the Chargeability anomaly named the ‘Line 5’ anomaly lies just to the east, under the limestone ridge. It is still considered likely that this anomaly reflects sulphide mineralisation within the VS unit below the limestone.”
The gold-bearing mineralised structures at the Central Mine are sub-parallel with a general north-south strike and dip between 15 and 85 degrees to the east and are offset by east-west faults. The structures contain quartz veins (including banded quartz), silicified vein and fault breccia, and variable amounts of iron-oxides. Veins are between four centimetres and two metres wide.
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