Rock Tech Lithium (CVE:RCK) says it has yielded grades of up to 22% graphite from results of surface grab samples at its Lochaber property in Quebec.
In May, a total of 11 surface samples were collected from various outcrops and boulders as part of a due diligence property visit by the company's geological team.
"We are pleased with the results of the grab samples as they confirm the presence of graphite mineralization on our Lochaber project," said company president and CEO Eunho Lee, in a statement Thursday.
The majority of the samples were collected from historical graphite occurrences, past producing mines and other areas of past exploration work.
The samples were subjected to a multistage furnace treatment to remove all forms of carbon with the exception of graphitic carbon, the company noted.
Grades of the samples ranged from 0.75% graphite to up to 22%.
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