alum shale sweden beneficiation

Uranium in Sweden - Nuclear Heritage

Uranium in Sweden. by Olov Holmstrand There are huge amounts of low grade uranium in Sweden both in old bedrocks and younger black shales (alum shale). Mo

Geochemical studies of uranium, molybdenum, and vanadium ...

Authors: Armands, G Publication Date: Sat Jan 01 00:00:00 EST 1972 Research Org.: Univ. of Stockholm OSTI Identifier: 4486185 NSA Number: NSA-28-005

Geology and Resources of Some World Oil-Shale Deposits

Map showing distribution of Alum Shale, Sweden.....24 15. Lithology and plots of the abundances of organic carbon and uranium in a ... Geology and Resources of

Uranium enrichment shorewards in black shales: A case ...

The Scandinavian Alum Shale Formation (Middle Cambrian to Lower Ordovician) contains high levels of organic carbon (up to 25 wt.%) and syngenetic enric

Long-term developments in residues from the processing of ...

Many fear that there will be substantial consequences for the environment, especially in the long term. The purpose of the present paper is to share

Long-term developments in residues from the processing of ...

During primarily the 1970s, shale was utilised for beneficiation of uranium by leaching with sulphuric acid. The alum shale in the areas of Närk

Comparison of organic geochemistry and metal enrichment in ...

In most black shales, such as the Chattanooga Shale and related shales of the eastern interior United States, increased metal and metalloid contents

Petrographic and geochemical composition of kerogen in the ...

1. Introduction. The Cambrian to Ordovician Alum Shale Formation in Scandinavia is a classical black shale unit. It has been extensively studie

Identification of major point sources in the severely ...

Identification of major point sources in the severely contaminated alum shale area in Kvarntorp, Sweden . Kristina Åhlgren, Mattias Bäckström. Man-Technolog

Estonia & Sweden Oil Shale Deposits | Map, Geology, Resources

The Alum Shale is present in outliers, partly bounded by local faults, on Precambrian rocks in southern Sweden as well as in the tectonically disturbed C

Juvenile shale gas in Sweden -- ScienceDaily

From shale oil to biogenic shale gas: Retracing organic–inorganic interactions in the Alum Shale (Furongian–Lower Ordovician) in southern Sweden.

Uranium mineralization in the Alum Shale Formation (Sweden ...

The Alum Shale Formation is generally 15–35 m thick but extremely variable, from 2 m in Öland to 95 m in Skåne. In the Caledonides, the for

Stop exploration and mining of alum shale in Sweden ...

Oviksbygden mot brytning () is a politically and religiously unrelated initiative that wants to create the conditions for municipalities to be

Alum Shale Formation - Wikipedia

The Alum Shale Formation (also known as alum schist and alum slate) is a formation of black shale of Middle Cambrian to Tremadocian (Lower Ordovician)

Sjöblom, Rolf - DiVA portal

Many fear that there will be substantial consequences for the environment, especially in the long term. The purpose of the present paper is to share some ex

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