Norfolk Metals (ASX: NFL) has secured a contractor to undertake a gravity survey across its Orroroo project in South Australia in the hunt for uranium, while progress was made at the Roger River project in Tasmania.
Executive chair Ben Phillips said the company was “excited” to advance both projects.
Norfolk recently revealed a down hole geophysical survey had confirmed uranium in all three target zones at Orroroo.
Peak grades were 650 parts per million uranium, and a highlight interval was recorded of 0.5m at 192ppm uranium from 112.59m.
Norfolk noted the uranium identified in the survey was at the expected depths indicated in historical holes.
The depths were also deemed potentially suitable for in-situ mining.
Mineralisation identified supported Norfolk’s “oxidised tails or interface zones” of roll-front uranium style mineralisation theory.
Atlas Geophysics will undertake the gravity survey across Orroroo on a 250m-by-250m basis.
Results from the survey will assist in defining paleo channels and feed into planning for a maiden drilling program.
The survey will begin once all necessary approvals have been secured. Norfolk will also consider passive seismic surveys to help delineate the depths of paleo channels before drilling.
“The Orroroo program is not expected to be technically challenging as we progress after our down hole survey successfully defined uranium in all historical wells (targets) tested,” Mr Phillips said.
“The program should be considered as more of a procedural process ensuring all stakeholders are considered and skilled contractors are utilised to conduct geophysics and subsequently drill preparations,” he added.
Roger River
Over at Roger River, Norfolk has undertaken geochemical analysis on recent drill samples to gain a better understanding of the native copper distribution.
This work also aimed to identify the best suited analytical method to represent the grades in the core.
Results from the test work indicated the larger the mass analysed, the better the results.
“Norfolk has established the preferred assay techniques for host rocks displaying native copper with any future drilling expected to have shorter turn-around times for assays,” Mr Phillips said.
He added the company’s healthy balance sheet allowed it to pursue other opportunities including project acquisitions.
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