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Parkway Minerals NL
Summary
| Project: | Lake Barlee | |
|---|---|---|
| Deposit: | Lake Barlee | |
| Location: | Australia | |
| Commodities: | Potash | |
| Date: | 8/8/2018 | |
| Report Code: | JORC | |
| Report Type: | Exploration/Drilling Update | |
| Project Stage: | Pursuing Resources Definition | |
| Report details: | 8-8-2018: Parkway Minerals NL announces an Exploration/Drilling Update report for its Lake Barlee deposit at the Lake Barlee project. Drilling results incl. 1m @ 1775 K mg/l from 53m. The drill program was designed to test the geology and collect brine sa | |
| Resources: | x | |
| CP/QP: | [Overall Report]: Trevor Haig (Groundwater Development Services Pty Ltd.) | |
| ABSTRACT: | The drill program was designed to test the geology and collect brine samples from palaeochannels identified by passive seismic surveys undertaken across the lake by the company. (Refer ASX announcement 8 November 2017). Nine drillholes were completed for a total of 782 metres of drilling. Three of the seven passive seismic lines surveyed were tested (Figure 1). Drilling was completed using Ausdrill’s Lake Walker rig, which is specially modified for drilling on salt lake surfaces. Due to deep horizons and running sands, a number of the holes failed to penetrate into the basement. The drilling intersected two continuous sand aquifer units containing brine. An upper sand aquifer approximately 60 metres below the lake surface that averaged approximately 5 meters thick, and a basal sand aquifer sitting on the paleo surface which was up to 23 metres thick but the majority of the drillholes failed to penetrate through the horizon. The aquifers are confined by lake clays and sit on a weathered granite or acid volcanic basement. In addition, the drilling intersected a number of thinner sand units that are less continuous. In total 28 separate water samples were collected from the programme, composite samples of the drill spoil were also submitted for analysis. | |
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