- We met both professors, researchers and graduate students from Sweden, England and Germany. Some had the firm belief that it was gold, some were more hesitant. Then we met Glenn Bark, who promised to help us with a real analysis, said Erik Hagenrud.
Glenn Bark was one of the more reluctant gold discovery wise from experience. But he sued the result of an analysis with an Extreme High Resolution Scanning Electron Microscope. With the help of this tool you can create a beam of electrons that sweeps across the surface of the object to be analyzed. This beam then generates an image of the surface of the object while the analysis process calculates the precious metals such as the stone contains.
It was with eager anticipation we awaited the test response which, however, was a bit of a disappointment. What you thought might be gold turned out to be pure copper. Now it is quite unusual to find pure copper in this way and on that account may be well put the uncertainty wthe different and independent experts showed when analyzing this stone on a visual inspection.
- It was certainly exciting and interesting, said Emil, who also got some images from the analysis to bring home.
The researchers from the Department of Geosciences and Environmental Engineering usually don´t help out with this type of advanced analysis when citizens show up with different minerals, since both equipment and labor costs a lot.
- We made an exception today, says Glenn Bark, this was a special case and when our experts were in disagreement and we thought it was best to go to the root of the matter. See pictures from the analysis here.
In addition to research work Glenn Bark as a lecturer in the degree program Master Programme in Natural Resources Engineering at Luleå University of Technology.
Natural Resources Engineering
Free lecture with Glenn Bark
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