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Mineral exploration Company, European Cobalt (ASX:EUC) has announced the results of the initial metallurgical test work which was completed on bulk samples from Joremeny Adit. The test work has confirmed that a mixed flotation concentrate of cobalt and nickel can be produced from the mineralization within Joremeny Adit. Following this news, the share price of the company increased by 8.333 percent as on 29 January 2019 (AEST 1:40 PM).
As per the companyâs announcement, the Dobsina Metallurgical Testing has achieved 90.9 percent Cobalt and 83.1 percent Nickel Recoveries. The composite bulk samples which were sourced from four sections of mineralization from Joremeny Adit has reported head grade of 1.05 percent Cobalt, 0.98 percent Nickel and produced a peak flotation concentrate grading 7.7 percent Cobalt and 7.2 percent Nickel.
As per the companyâs Managing Director (MD) Mr. Rob Jewson, the next phase of metallurgical test work will focus on the ability to further refine the flotation concentrate in a hydrometallurgical process to produce a cobalt sulphate and nickel sulphate product while stabilizing the arsenic into a suitable precipitate.
The metallurgical test was conducted on five composite samples of discrete styles of mineralization. From these individual composite samples, a single 30kg composite sample (EC-1) was generated to be utilized for further test work. A total of 5 rougher and four cleaner floatation tests were conducted. The flotation test was conducted to produce a high grade mixed cobalt nickel concentrate, focusing on the recovery of cobalt. The floatation test work was also focused on recovering as much of the arsenic as possible into the flotation concentrate in order for it to be further treated.
In the metallurgical test, four cleaner flotation tests were conducted. Rougher flotation concentrates were collected and transferred into a batch floatation cell for cleaner flotation. After that, the concentrate samples were retrieved at timed intervals, and sub-samples were submitted for analysis to determine the grade recovery profile of each test.
In November 2018, the company announced the results of initial sampling completed within the Josef Adit which reported high grades of cobalt (up to 5.41 percent) and nickel (up to 13.6 percent).
The Initial four grab samples reported multiple significant results which includes
- 5.41 percent Cobalt, 1.35 percent Nickel (SKDO3414)
- 1.77 percent Cobalt, 13.6 percent Nickel (SKDO3416)
- 1.17 percent Cobalt, 5.24 percent Nickel (SKDO3415)
- 0.19 percent Cobalt, 6.96 Percent Copper, 1.6 percent Nickel, 313 grams per tonne Silver, 4.62 percent Sb (SKDO3417)
While commenting on the results, Mr. Rob Jewson told that results from the initial sampling at Josef Adit have extended the companyâs priority target zone within the Zemberg-Terezian Vein System.
In the past six months, the share price of the company decreased by 57.14 percent as on 25 January 2019. EUCâs shares traded at $0.026 with a market capitalization of circa $18.28 million as on 29 January 2019.
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