Rockfire Resources - Outstanding gold target identified at Kookaburra
("ROCK" or "the Company")
Outstanding gold target identified at Kookaburra
· 1990 drilling intercepts include:
8 m @ 2.18 g/t Au (including 3m @ 5.13 g/t Au) from 26m vertical depth
16 m @ 2.14 g/t Au from 35m vertical depth
· 1989 trench intercepts include:
19 m @ 2.8 g/t Au
· 1989 rock samples include:
51.8 g/t Au
12.4 g/t Au
32.4 g/t Au
13.0 g/t Au
· Rockfire owns the Kookaburra licence 100%
Chief Executive Officer of Rockfire,
"Our strategy of systematic appraisal of each of our numerous prospects has identified
"Historical drilling at Native bee has intersected potentially economic gold grades and widths close to surface. This fits nicely with Rockfires deliberate strategy of accumulation of near-surface gold resources within trucking distance of operational gold processing facilities.
"Rockfire will continue to appraise and rank each of its prospects in conjunction with on-going ground fieldwork. The Company intends to follow up these past significant results with detailed geological and structural mapping. In addition to the mapping, a gradient array IP geophysical and ground magnetic survey will be scheduled for the 2019 field season. Geophysics is expected to highlight the continuity of the sulphide-enriched zones at depth, in order to pinpoint accurate targets for drilling."
A drilling and geochemical prospect map can be viewed at the link below:
Forty-four (44) RAB and RC holes have been drilled to a maximum vertical depth of 70m. This drilling returned best intervals of 8m @ 2.18 g/t Au, including 3m @ 5.13 g/t Au from 26m vertical depth, and 16m @ 2.14 g/t Au, from 35m vertical depth. Some of the best gold grades come from a sheared and veined, altered diorite, suggesting post-intrusion mineralisation.
Additional work completed at
The exploration potential at
High-temperature fluid pathways have been identified by Rockfire's technical team. Using a statistical evaluation of historical soil sampling data, this evaluation consisted of transforming the soil elemental data into z-scores (sample assay, minus the mean, divided by the standard deviation). The highest z-score for each given sample is then recorded. As different elements have differing temperatures of precipitation, this allows an elemental heat map to be generated. The heat map identifies previously unidentified exploration target zones. This heat map is provided in the attached PDF link.
The prospect hosts multiple gossanous hydrothermal and structural breccias, along with multiple mafic intrusions. Breccias have been mapped over a one-kilometre square area at surface. Large alteration zones have been recorded at surface and within the drill holes. The extensive alteration consists of epidote, sericite, carbonate, sulphide, clay, and silica flooding.
Other notable breccia/shear hosted systems in the
Competent Person Statement:
Information in this announcement that relates to exploration results is based on information compiled by Mr
For further information on the Company, please visit www.rockfireresources.com or contact the following:
Cenkos Securities plc
(Nominated Adviser & Joint Broker)
Tel: +44 (0)131 220 6939
Tel: +44 (0)20 7374 2212
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Quick facts: Rockfire Resources PLC
Market Cap: £10.55 m
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