Tag Archives: Oviken

Alum shale and uranium

Posted on November 10, 2019 by barbarawohlfarth

Since August 2018 it is no longer allowed to open a mine with the aim to extract uranium from Swedish bedrock. This law came into effect after years of discussions and changes have been made accordingly in the Minerals Acts … Continue reading →

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Samrådsunderlag – Project Viken

Posted on October 30, 2019 by barbarawohlfarth

The Canadian mining company EU Energy Corp. is planning to apply for opening several open-cast mines in Viken in Jämtland after years of exploration, drilling and analyzing the drill core samples. A good overview regarding EU Energy Corp.’s whereabouts and … Continue reading →

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Same same, but slightly different

Posted on September 25, 2019 by barbarawohlfarth

What we today know as Alum shale was originally an organic-rich clay that was deposited in a shallow ocean off the coast of the old continent Baltica. Although this deposition took place between 513 to 480 million years ago during … Continue reading →

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Metals versus organics

Posted on May 4, 2019 by barbarawohlfarth

It may not be easy for a person who has no or little geological or geochemical knowledge to read geological literature or to interpret geological maps. Yet all of this, or most of this literature is available and can be … Continue reading →

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A shale is a shale and a sandstone is a sandstone

Posted on April 27, 2019 by barbarawohlfarth

In my last blog I showed how different the geochemical composition of a shale is as compared to a sandstone. In my example I compared a typical sandstone from southern Sweden with a typical shale and limestone from southern Sweden. … Continue reading →

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