Variations of organic matter transformation in response to hydrothermal fluids: Example from the Indiana part of the Illinois Basin

2020 ◽  
Vol 219 ◽  
pp. 103410 ◽  
Author(s):  
Juan Teng ◽  
Maria Mastalerz ◽  
Bei Liu ◽  
Timothy Gognat ◽  
Ernest Hauser ◽  
...  
Keyword(s):  
Organic Matter ◽  
Hydrothermal Fluids ◽  
Illinois Basin ◽  
Organic Matter Transformation

Organic matter transformation in soils

1972 ◽  
Vol 37 (2) ◽  
pp. 273-281 ◽  
Author(s):  
M. K. Sinha
Keyword(s):  
Organic Matter ◽  
Organic Matter Transformation

Organic matter in hydrothermal metal ores and hydrothermal fluids

1990 ◽  
Vol 5 (1-2) ◽  
pp. 125-134 ◽  
Author(s):  
William H. Orem ◽  
Elliott C. Spiker ◽  
Rama K. Kotra
Keyword(s):  
Organic Matter ◽  
Hydrothermal Fluids

Markers of Soil Organic Matter Transformation in Permafrost Peat Mounds of Northeastern Europe

2018 ◽  
Vol 51 (1) ◽  
pp. 42-53 ◽  
Author(s):  
A. V. Pastukhov ◽  
C. Knoblauch ◽  
E. V. Yakovleva ◽  
D. A. Kaverin
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Organic Matter Transformation ◽  
Northeastern Europe

scholarly journals Sandstone-Hosted Uranium Deposits as a Possible Source for Critical Elements: The Eureka Mine Case, Castell-Estaó, Catalonia

Minerals ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 34 ◽  
Author(s):  
Montgarri Castillo-Oliver ◽  
Joan Carles Melgarejo ◽  
Lisard Torró ◽  
Cristina Villanova-de-Benavent ◽  
Marc Campeny ◽  
...  
Keyword(s):  
Organic Matter ◽  
Low Temperature ◽  
Black Shales ◽  
Hydrothermal Fluids ◽  
Uranium Deposits ◽  
Critical Metals ◽  
Fine Grained ◽  
Critical Elements ◽  
By Products ◽  
Red Bed

The Eureka deposit in Castell-estaó in the Catalan Pyrenees is a Cu–U–V deposit, hosted by Triassic red-bed sandstones, and classified here as a low-temperature, sandstone-hosted stratabound metamorphite U deposit. The main mineralisation is stratabound, related to coal-bearing units and produced during the Alpine deformation by migration of hydrothermal fluids. In this stage, the original sedimentary and diagenetic components (quartz and calcite, micas, hematite and locally apatite) were replaced by a complex sequence of roscoelite, fine-grained REE phosphates, sulphides and Ni–Co arsenides and sulpharsenides, Ag–Pb selenides, bismuth phases, sulphosalts and uraninite. The black shales of the Silurian sediments underlying the deposit and the nearby Carboniferous volcanoclastic rocks are interpreted as the source of the redox-sensitive elements concentrated in Eureka. The sulphur source is related to leaching of the evaporitic Keuper facies. The REE transport would be facilitated by SO4-rich solutions. The reduction of these solutions by interaction with organic matter resulted in the widespread precipitation of REE and redox-sensitive elements, including many critical metals (V, Bi, Sb, Co), whereas barite precipitated in the oxidized domains. The occurrence of similar enrichments in critical elements can be expected in other similar large uranium deposits, which could be a source of these elements as by-products.

Organic Matter Transformation in the Conjugate Series of Surface Water in Northern Karelia

2019 ◽  
Vol 46 (1) ◽  
pp. 52-58 ◽  
Author(s):  
O. Yu. Drozdova ◽  
S. M. Ilina ◽  
N. A. Anokhina ◽  
Yu. A. Zavgorodnyaya ◽  
V. V. Demin ◽  
...  
Keyword(s):  
Organic Matter ◽  
Surface Water ◽  
Conjugate Series ◽  
Organic Matter Transformation
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