Haranga Resources Limited (ASX:HAR) has defined an Exploration Target at the Saraya project of five to 20 million tonnes at a grade range of 350 to 750 ppm eU3O8 (4–35 Mlb contained eU3O8) over the Saraya prospect in Senegal.
The target has been established following the previously announced review of historical uranium Exploration Results by independent resource development consultants, RSC.
“We are very pleased to present this Exploration Target, which highlights the significant potential of the Saraya permit,” Non-Executive Chairman, Michael Davy, said.
“It is important to note that the large Exploration Target covers only ~0.2 sq. km of the 1,650 sq. km permit, where numerous geophysical anomalies are already defined and undergoing sampling to define additional drill targets across the permit.
“With our maiden drill programme anticipated to commence in September, we are excited to begin drilling and hopefully convert this Exploration Target into a Mineral Resource. This excitement is combined with a very bullish global outlook for uranium, as the world prepares to transition to clean energy.”
A total of 23 diamond drillholes for 3,200 m have been planned to test the validity of the Exploration Target. The drilling has been designed to test six areas over two stages and is expected to commence in September 2022. The company expects the programme to be completed by January 2023.
As with many uranium exploration projects, the equivalent uranium (eU) grades recorded at Saraya were derived from measurements of counts per second (CPS) recorded by down-hole radiometric probes, after the application of correcting factors.
Planned drilling aims to validate the geological interpretation and verify eU grades. Diamond drilling will also allow sampling for chemical assays to validate the K-factors used to convert the CPS values into eU grades. The proposed drilling should lead to a more robust understanding of the geological architecture of the Saraya deposit and a validated eU database.
Based on the success of the upcoming drill validation programme, the company will proceed with building a robust geological domain model that could support possible future mineral resource classification in accordance with the JORC Code (2012).
Exploration Targeting
Episyenites at the Saraya prospect were first recognised for their potential uranium prospectivity in the late 1950s and have been the subject of several exploration campaigns since, including two substantial drilling programmes and various geophysical surveys. As reported by the Company on 8 August 2022, a total of 514 historical holes, totalling 61,437 m, have been drilled at the Saraya prospect, and numerous holes at additional deposits within the company’s tenement.
The extensive historical drilling database formed the basis of preliminary modelling undertaken to establish a uranium Exploration Target at Saraya.
The historical data indicates that uranium mineralisation at Saraya is structurally controlled and associated with brecciated lenses that predominantly strike northeast and dip steeply to the southeast. This is consistent with the dominant structure in the Kéniéba Inlier, which strikes ~040 and locally.
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