ASX-listed resources and exploration company Tyranna Resources (ASX:TYX) reports it has discovered the existence of pollucite following a maiden diamond drilling (DD) campaign and sampling at its Muvero Prospect, as part of its Namibe Lithium Project in Angola, Africa.
Pollucite is regarded as a ‘very rare’ mineral which contains caesium (Cs) and only occurs in a very few extremely highly fractionated LCT complex pegmatites in association with lithium (Li2O) mineralisation.
The presence of the pollucite was confirmed following analysis of 2 samples (NR051 and 52) taken from the pit wall and the rubble on the pit floor, and returned ‘extremely high’ caesium grades of up to 332,718ppm Cs (33.27% Cs2O) and 357,246ppm Cs (37.88% Cs2O) respectively.
Tyranna notes that the presence of a ‘substantial’ amount of pollucite on the pit floor suggests that prior to excavating the pit the original size of the pod was considerably larger or there were several pods of the mineral present.
the presence of a ‘substantial’ amount of pollucite on the pit floor suggests that prior to excavating the pit the original size of the pod was considerably larger or there were several pods of the mineral present
The company also notes that drilling has also returned the presence of Li2O mineralisation that has been intersected directly below surface at the prospect.
The results, generated by 9 drillholes, have confirmed that Li2O mineralisation exists below surface at the prospect and provide the basis for an optimised follow-up drilling program scheduled for next year.
The presence of the very rare pollucite, in conjunction with the newly discovered Li2O mineralisation support the belief that a ‘significant’ Li2O and pollucite deposit may be present at the prospect and will be the main focus on drilling activities in 2023.
It is also reported that the associated improvements and site-works have resulted in the follow-up drilling in 2023 being easier to achieve.
In addition, the operational experience is also expected to lead to greater efficiency in all Angolan exploration activities that will take place throughout 2023.
Tyranna Resources is an ASX-listed resources and exploration company that is primarily focused on Li2O exploration in Angola, Africa. The company aims to discover and develop a lithium source of global significance to create wealth for shareholders and local Angolans, as well as assist the global adoption of clean energy.
The company’s Namibe project is located in Angola and covers a total land area of 207km-square and is reported to contain the Giraul pegmatite field, which is host to about 600 or more pegmatites within an area spanning 25km long and up to 10km wide. Work completed to date has been largely restricted to investigation of pegmatites that are more accessible.
With results from the maiden DD campaign now received, Tyranna Resources announces that export of pulps is set to be achieved by mid-December this year, with assays expected in early February next year.
Additional details are expected to be provided in updates next year when field activities recommence.