Uranium and thorium resources of Estonia

A Soesoo, J Vind, S Hade - Minerals, 2020 - mdpi.com
We provide a compilation of geology of uranium and thorium potential resources in the
Ordovician black shale (graptolite argillite), Cambrian–Ordovician shelly phosphorite and in …

Molybdenum-uranium-vanadium geochemistry in the lower Paleozoic Alum Shale of Scandinavia: Implications for vanadium exploration

L Bian, NH Schovsbo, A Chappaz, X Zheng… - International Journal of …, 2021 - Elsevier
This paper investigates the hyper-enrichments of molybdenum (Mo), uranium (U), and
vanadium (V) in the lower Paleozoic, Alum Shale of Denmark, Sweden, Norway, and …

Redox-sensitive trace metal hyper-enrichment in Tremadocian Alum Shale (graptolite argillite) in northwestern Estonia, Baltic Palaeobasin

J Vind, S Ofili, K Mänd, A Soesoo, K Kirsimäe - Chemical Geology, 2023 - Elsevier
Abstract The Alum Shale Formation, a widespread metal-rich black shale in Baltoscandia,
was deposited during the Cambrian–Ordovician transition. Given that it straddles a period of …

Geochemical reconstruction of the provenance, tectonic setting and paleoweathering of lower paleozoic black shales from northern Europe

S Ofili, A Soesoo, EG Panova, R Hints, S Hade… - Minerals, 2022 - mdpi.com
Lower Paleozoic black shales from Estonia, Sweden, and Russia were analyzed for major
and trace elements to reconstruct the provenance, tectonic setting, and paleoweathering …

[HTML][HTML] The predictive power of airborne gamma ray survey data on the locations of domestic radon hazards in Norway: A strong case for utilizing airborne data in …

MA Smethurst, RJ Watson, VC Baranwal… - Journal of environmental …, 2017 - Elsevier
It is estimated that exposure to radon in Norwegian dwellings is responsible for as many as
300 deaths a year due to lung cancer. To address this, the authorities in Norway have …

Some historical briefs and outlooks of the chemical and biological acid leaching of uranium ores

TM Bhatti, OH Tuovinen - The Nucleus, 2023 - thenucleuspak.org.pk
The purpose of this paper is to briefly review early developments in the chemical and
biological acid leaching of uranium ores in Portugal, Canada, Sweden, Finland, Estonia …

The recharge of glacial meltwater and its influence on the geochemical evolution of groundwater in the Ordovician-Cambrian aquifer system, northern part of the Baltic …

J Pärn, V Raidla, R Vaikmäe, T Martma, J Ivask… - Applied …, 2016 - Elsevier
The geochemical evolution of groundwater in the Ordovician-Cambrian aquifer system in the
northern part of the Baltic Artesian Basin (BAB) illustrates how continental glaciations have …

Redox zonation and organic matter oxidation in palaeogroundwater of glacial origin from the Baltic Artesian Basin

J Pärn, S Affolter, J Ivask, S Johnson, K Kirsimäe… - Chemical …, 2018 - Elsevier
Ordovician-Cambrian aquifer system (O-Cm) in the northern part of the Baltic Artesian Basin
(BAB), Estonia, is part of a unique groundwater reservoir where groundwater originating …

General geology and geochemistry of the Lokpanta Formation oil shale, Nigeria

S Ofili, A Soesoo - Oil Shale, 2021 - search.proquest.com
A detailed geochemical and mineralogical study was carried out on the Lokpanta oil shale
(OS), Nigeria. Samples from three drill cores and several outcrops were studied in order to …

Dating of glacial palaeogroundwater in the Ordovician-Cambrian aquifer system, northern Baltic Artesian Basin

J Pärn, K Walraevens, M Van Camp, V Raidla… - Applied …, 2019 - Elsevier
Abstract The Ordovician-Cambrian aquifer system in the northern Baltic Artesian Basin
contains glacial palaeogroundwater that originates from the Scandinavian Ice Sheet that …