alum shale sweden beneficiation

CAMBRIAN ORSTEN LAGERSTÄTTE FROM THE ALUM SHALE …

The Furongian Orsten-type fossil Lagerstätte in the Alum Shale Formation of Sweden is an extraordinary deposit known for its detailed, three-dimensional preservation of the soft parts of small animal carcasses which have been replaced by calcium phosphate and occur in organic-rich nodular limestone. The exact cause and mechanism of this unusual fossil preservation, however, particularly the ...

CiteSeerX — INVESTIGATION OF DICTYONEMA OIL SHALE AND …

Abstract. The elemental composition of organic matter of Ordovician Dictyonema oil shale from Maardu, Toolse and other Estonian as well as from Russian and Swedish deposits (local name 'alum shale'), natural and artificial transfor-mation (beneficiation, extraction, thermal and oxidative destruction) prod-ucts of Dictyonema oil shale are visualized using a vankrevelenogram.

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First record of Cyanobacteria in Cambrian Orsten deposits ...

the Alum Shale Formation in the Kinnekulle area, V€asterg otland, southern Sweden. After describing the€ main morphological characteristics, including a morpho-metric analysis, the systematic status of the ﬁlamentous forms, which we interpret as threads of ﬁlamentous cyanobacteria, is discussed on the basis of taphonomical,

ALUM SHALE BITUMEN MATURATION AND MIGRATION: …

Jan 01, 1989· Thermal maturation of Swedish Alum Shale kerogen and bitumen has been determined from core samples from Eastern and Central Sweden. In samples from Eastern Sweden (Öland and Gotland), the kerogen and bitumen are thermally immature with respect to petroleum generation. In some areas of Central Sweden (Närke, ÖstergÖtland, and Kinnekulle in VästergÖtland), the kerogen is …

Sweden | Shale & Fracking Tracker | Vinson & Elkins LLP

The Scandinavian Alum Shale underlies large portions of Sweden, Denmark, and potentially Norway. 1 However, a majority of the Alum Shale is "shallow, thin, and immature." 2 The Alum Shale is normally pressured and is characterized by moderately high clay content and structural complexity, making it a "high risk play." 3 The Energy Information Administration estimates that the Alum ...

Minerals | Free Full-Text | Uranium and Thorium Resources ...

The uranium beneficiation plant in Sillamäe was established in 1948 and about 22.5 tons of elemental uranium was produced from Estonian graptolite argillite. ... Even the black shale in Sweden (known as Alum Shale) has historically been used mostly for uranium production, there are rising commercial interests in other metals. ...

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

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 Caledonides of western Sweden and Norway, where it reaches thicknesses of 200 m or more in repeated sequences owing to multiple thrust faults (fig. 14).

Leaching of U, V, Ni and Mo from Alum Shale Waste as a ...

Alum shale in the Kvarntorp area, Sweden (˛ gure 1), was used for oil production dur-ing 1942-1966. ˜ ere is still untouched alum shale in the area, as well as remains from the production in the form of both burned shale (shale ash) and crushed but otherwise unpro-cessed shale (˛ nes). ˜ …

AURA COMPLETES OF ADDITIONAL HÄGGÅN VANADIUM …

in Sweden (ALS) for preparation. Samples were analysed by ICP by ALS. The Alum Shale, host to the mineralisation, has a relatively consistent content of the target metals. Half-core was cut by diamond saw using a sample interval of 2m unless the interval included a lithological contact in which case each lithology was sampled separately.

Iron Ores - an overview | ScienceDirect Topics

The marine Dictyonema shale of Early Ordovician age underlies most of northern Estonia and is probably equivalent to the upper part of the Alum shale of Sweden. Until recently, little was known about the Dictyonema shale because it was covertly mined and processed for uranium at a secret plant located at Sillamäe in northeastern Estonia during ...

Undiscovered Gas Resources in the Alum Shale, Denmark, …

Alum Shale Total Petroleum System (TPS) in Denmark. U sing a geology-based assessment methodology, the U.S. Geological Survey estimates a mean undiscovered volume of 6.9 trillion cubic feet of natural gas in the Alum Shale in Denmark. BALTIC SEA NORTH SEA SWEDEN NORWAY GERMANY POLAND DENMARK Jylland Kattegat Sjaelland

Uranium mineralization in the Alum Shale Formation …

1 Uranium mineralization in the Alum Shale Formation (Sweden): evolution of a U-rich marine black shale from sedimentation to metamorphism Andreï Lecomte1,*, Michel Cathelineau1, Raymond Michels1, Chantal Peiffert1, Marc Brouand2 1 GeoRessources, Université de Lorraine, CNRS, CREGU, Boulevard des Aiguillettes B.P. 70239 F-54506 Vandoeuvre lès Nancy, France

Experimental study of fluid transport processes in the ...

Jun 07, 2017· In southern Sweden and northern Denmark, the Alum Shale cussed in Appendix 1. exhibits organic matter contents and type, maturity and thick- On Bornholm, the Alum Shale is found in the southern and nesses that are typical of productive shale gas plays (Dyni, 2006; southeastern parts of the island (Baumann-Wilke et al., 2012). ...

Shale gas - SGU

Nov 10, 2020· Alum shale is the shale that has most of the properties required for it to be able to contain gas. Within Sweden's borders, it is only in parts of its distribution area in Skåne where the shale is found at a suitable depth, has a sufficiently high thermal maturity, high organic content and thickness that makes it relevant for exploration.

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

Long-term Developments In Residues From The Processing Of ...

The purpose of the present paper is to share some experiences from related historical activities in Sweden where alum shale has been used for oil extraction, burning of lime, alum production and uranium beneficiation. Legacies exist in terms of shale ash and fines as well as residues from the leaching of uranium, in quantities of a total of ...

Investigation of Dictyonema oil shale and its natural and ...

Sep 01, 2003· According to vankrevelenogram, the Sweden alum shale is present in all mentioned stages up to the gas coal stage and further to the graphitic stage, characteristic of super-maturity [63]. For comparison, 39 kukersite samples have narrower ranges of H/C and O/C values than DOS ones: 1.38-1.57 and 0.12-0.17, respectively, and even the weathered ...

MCP silmet july11 - MINING.COM

Alum Shale, a geological formation that is ... in 1927 by Swedish investors as an oil shale production plant that was largely destroyed during World ... Uranium beneficiation in the Sillamäe ...

Uranium - SGU

In Sweden, it is mainly certain granites and pegmatites that have elevated uranium content. However, high concentrations can also be found in other rocks. Uranium-rich alum shale occurs in Skåne, Västergötland, Östergötland, Öland, Närke and along the Swedish mountain range.

Haggan Vanadium Project scoping study update - Sharecast.com

Oct 25, 2018· The grain size of the Alum Shale is extremely fine, less than 10 microns, and commonly around 1 micron. The uranium mineralisation is finely disseminated throughout the …

CN 216 Presentations - IAEA

The giant Alum Shale polymetallic deposits of Jämtland, Sweden – a major potential low cost supplier of uranium for the future : A. Monnet France Uranium from coal ash: resource assessment and outlook on production capacities Download Presentation : S. Kung USA

(PDF) Uranium enrichment shorewards in black shales: A ...

Petrographic and geochemical composition of kerogen in the Furongian (U. Cambrian) Alum Shale, central Sweden: Reflections on the petroleum generation potential By Niels H . Schovsbo

THE UPPER CAMBRIAN TRILOBITE OLENUS AT ANDRARUM, …

Alum Shale at Andrarum, south-east Scania, Sweden, have been analysed with the aim of re-examining the classical study of iterative evolution by Kaufmann (1933a). New material comprising 647 pygidia was collected for a restudy of Olenus, and for comparison the skeletal development of 918 cephala and 568 pygidia from the associated Homagnos-

(PDF) Black Shale as a Potential Vanadium Resource — an ...

Apr 02, 2019· It is a contin uation of the black shal e (alum shale) occurring in Southern Sweden, while the Ca mbrian to Ordovician b lack shales extend f rom Oslo region in Norway all th e …

UNKNOWN GRAPTOLITE ARGILLITE

Alum Shale of central and southern Sweden and belongs to the extensive formation of the ... round the clock from 27 November 1946 to 1 June 1947.The argillite beneficiation included crushing, sieving, classification through grading and flotation. A rotary kiln was used for

Identification of major point sources in the severely ...

During World War II, shortage of imported fuel led to the search for alternative resources. Alum shale exists in several places in Sweden, but in most cases the oil content is too low for extraction. Svenska Skifferolje AB was formed in 1941, and Kvarntorp, where the shale contains 4.8% oil, was chosen for production (Schwartz 1945).

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

Aug 01, 2017· 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 formation is duplicated by thrust sheets and the thickness reaches up to 180 m (Andersson et al., 1985).Scandinavian Alum Shale is dominated by organic-rich (up to 20% TOC) marine black shales, with variable proportions of gray shales and silt beds ...

Stratigraphy and geochemical composition of the Cambrian ...

3In the Alum Shale Formation the bulk densities are around 2.7 gcm/ with a slightly decreasing trend up through the formation. The shale has total organic carbon (TOC) values up to 14 wt%, which is comparable to the TOC levels for the Alum Shale elsewhere in the Oslo area and for dry gas matured Alum Shale in Scania and Bornholm.

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Oct 10, 2019· This shale facies is generally between 10 and 60 metres thick and extends sporadically in Scandinavia from northern Norway to southern Sweden. The Alum Shale contains elevated but variable levels of a number of metals, principally vanadium, nickel, molybdenum, zinc, …

Petrographic and geochemical composition of kerogen in the ...

Oct 01, 2014· 1. Introduction. The Cambrian to Ordovician Alum Shale Formation in Scandinavia is a classical black shale unit. It has been extensively studied in the past for its organic content (e.g. Andersson et al., 1985, Buchardt et al., 1997, Schovsbo, 2001).The Alum Shale was deposited prior to the evolution of vascular land plants but contains vitrinite-like particles (Buchardt and Lewan, 1990) …

For personal use only - ASX

HÄGGÅN PROJECT (Sweden) Good thicknesses of mineralised Alum shale were intersected in both diamond drill holes completed in March quarter ... December 2013 for beneficiation and leaching of material from the Sadi deposit. The Hippolyte beneficiation testwork, …

Estimating Release of Trace Elements from an Area with ...

Nov 10, 2020· Abstract: Alum shale was mined for oil and uranium production in Kvarntorp, Sweden, 1942–1966. Remnants such as pit lakes, exposed shale and a 100-meter-high waste deposit with a hot interior a ect the surrounding environment, with elevated …

Swelling properties of Alum Shale as a function of its ...

Jan 11, 2016· the Upper Cambrian-Middle Ordovician black shale, Alum Shale, have been experienced since 1900s (Grønhaug, 2000). In Scandinavia the name Alum Shale is used for black Cambrian shale. The shale is composed of clay and silt-sized sedimentary rock and contains a lot of organic matter.

alum shale sweden beneficiation

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