[HTML][HTML] Environmental impact of mineralised black shales
A Parviainen, K Loukola-Ruskeeniemi - Earth-Science Reviews, 2019 - Elsevier
Black shales are sedimentary rocks containing> 0.5% of organic carbon. They host
polymetallic deposits which have been mined for Cu, Ni, Zn, Mn, P, Mo, V, U, Au and PGE …
polymetallic deposits which have been mined for Cu, Ni, Zn, Mn, P, Mo, V, U, Au and PGE …
Biogeochemical cycle of chromium isotopes at the modern Earth's surface and its applications as a paleo-environment proxy
Chromium (Cr) is a redox-sensitive metal element with two natural oxidation states,
commonly as the soluble Cr (VI) oxyanion (CrO 4 2− or HCrO 4−) and the insoluble Cr (III) …
commonly as the soluble Cr (VI) oxyanion (CrO 4 2− or HCrO 4−) and the insoluble Cr (III) …
Mechanism of organo-nickel co-enrichment in marine black shale
P **a, F Hao, C Yang, J Tian, Y Fu… - Advances in Geo …, 2024 - ager.yandypress.com
Abstract rganic matter and metal elements are commonly co-enriched in marine black
shales. However, the element types vary among different shales and the relevant …
shales. However, the element types vary among different shales and the relevant …
Mesoproterozoic oxygenation event: From shallow marine to atmosphere
Oxygen availability is crucial for the evolution of eukaryotes in geological history, but the
redox conditions of the mid-Proterozoic atmospheric-oceanic system remain vigorously …
redox conditions of the mid-Proterozoic atmospheric-oceanic system remain vigorously …
Anomalous mercury enrichment in Early Cambrian black shales of South China: mercury isotopes indicate a seawater source
Extremely elevated Hg levels up to the μg g− 1 range were found in sulfide-rich black shale
and phosphorite in the lowermost part of the Early Cambrian black shale sequences on the …
and phosphorite in the lowermost part of the Early Cambrian black shale sequences on the …
A review of polymetallic mineralization in lower Cambrian black shales in South China: Combined effects of seawater, hydrothermal fluids, and biological activity
C Shi, J Cao, S Han, K Hu, L Bian, S Yao - Palaeogeography …, 2021 - Elsevier
There are various types of polymetallic mineralization in lower Cambrian black shales from
South China, including Nisingle bondMo, Ba, P, and V deposits. However, the origin of this …
South China, including Nisingle bondMo, Ba, P, and V deposits. However, the origin of this …
Fine clay shuttle as a key mechanism for V hyper-enrichment in shallow water Tremadocian black shale from Baltica
The essential role of the fine mineral fraction in V hyper-enrichment in black shales has
been suggested in previous studies; however,'the operational details' of such metallogenic …
been suggested in previous studies; however,'the operational details' of such metallogenic …
Vanadium as a critical material: economic geology with emphasis on market and the main deposit types
GJ Simandl, S Paradis - Applied Earth Science, 2022 - journals.sagepub.com
Vanadium is currently considered a critical material in the European Union, the USA, and
other jurisdictions. The vanadium mine production for 2021 is estimated at more than 120 …
other jurisdictions. The vanadium mine production for 2021 is estimated at more than 120 …
Signals of combined chromium–cadmium isotopes in basin waters of the Early Cambrian–Results from the Maoshi and Zhi** sections, Yangtze Platform, South China
The combination of authigenic chromium and cadmium stable isotopes in marine
sedimentary archives enables reconstruction of the redox conditions and levels of primary …
sedimentary archives enables reconstruction of the redox conditions and levels of primary …
SIMS U-Pb zircon ages and Ni-Mo-PGE geochemistry of the lower Cambrian Niutitang Formation in South China: Constraints on Ni-Mo-PGE mineralization and …
In comparison with previous studies on the Ni-Mo-PGE ore deposits within the deep water
Lower Cambrian black shales of the Niutitang Formation around Hunan and Guizhou …
Lower Cambrian black shales of the Niutitang Formation around Hunan and Guizhou …