Redhill Resources (CVE:RHR) today announced the results of additional mapping, sampling, and soil grid testing at its Honey Comb Hills rare earth property in Juab County, Utah.
The Honey Comb property encompasses a flow dome complex, which exhibits highly anomalous rare earth elements, as well as lithium, beryllium, and rubidium, the company said.
The mineralization occurs throughout the dome, but higher grades are found within a flat to gently dipping sequence of tuffs and breccias, Redhill explained.
The company took 68 rock chip samples, and 319 soil samples. Mapping and sampling were also conducted in two historical mine entrances on the property.
According to Redhill, results from soil grid testing suggest that lithium, beryllium, rubidium, and total rare earth oxides (TREOs) are present under shallow cover to the east of the main ridge on the property.
Meanwhile, sampling and mapping of a decline in breccias showed highly anomalous lithium, between 460 parts per million (ppm) and 1,050 ppm, and rubidium, in the range of 471 ppm and 1,035 ppm.
Rubidium is used in "photocells", a device for converting light energy into electrical energy that potentially could be used to reduce the combustion of fossil fuels.
However, samples from a mine opening overlying more massive breccias found higher rubidium assays, in the range of 1,135 ppm to 1,210 ppm, and lower lithium results, between 150 ppm and 230 ppm, indicating that the lower breccia may be more likely to host lithium mineralization, while the upper section more enriched in rubidium, Redhill said.
Redhill's Honey Comb Hills property is in the same county, and hosts a similar geologic environment, as the Spor Mountain mine, owned by Brush Engineered Metals.
The Spor Mountain mine produces approximately 48,000 tonnes grading 0.35% beryllium, representing nearly 60% of the world's production, according to the U.S. Geological Survey.
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