organic matter mineralization
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CATENA ◽  
2022 ◽  
Vol 210 ◽  
pp. 105901
Author(s):  
Chenxin Feng ◽  
Douglas L. Godbold ◽  
Hailong Sun ◽  
Lina Wei ◽  
Yandong Zhang

Geoderma ◽  
2022 ◽  
Vol 410 ◽  
pp. 115690
Author(s):  
Haichao Li ◽  
Jan Van den Bulcke ◽  
Orly Mendoza ◽  
Heleen Deroo ◽  
Geert Haesaert ◽  
...  

2021 ◽  
Vol 161 ◽  
pp. 108402
Author(s):  
Manje Gowda ◽  
Jill E. Cairns ◽  
Lumbani Mwafulirwa ◽  
Tim J. Daniell ◽  
Christian Thierfelder ◽  
...  

Author(s):  
Xiaomeng Wei ◽  
Tida Ge ◽  
Chuanfa Wu ◽  
Shuang Wang ◽  
Kyle Mason-Jones ◽  
...  

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
André Friese ◽  
Kohen Bauer ◽  
Clemens Glombitza ◽  
Luis Ordoñez ◽  
Daniel Ariztegui ◽  
...  

AbstractDeposition of ferruginous sediment was widespread during the Archaean and Proterozoic Eons, playing an important role in global biogeochemical cycling. Knowledge of organic matter mineralization in such sediment, however, remains mostly conceptual, as modern ferruginous analogs are largely unstudied. Here we show that in sediment of ferruginous Lake Towuti, Indonesia, methanogenesis dominates organic matter mineralization despite highly abundant reactive ferric iron phases like goethite that persist throughout the sediment. Ferric iron can thus be buried over geologic timescales even in the presence of labile organic carbon. Coexistence of ferric iron with millimolar concentrations of methane further demonstrates lack of iron-dependent methane oxidation. With negligible methane oxidation, methane diffuses from the sediment into overlying waters where it can be oxidized with oxygen or escape to the atmosphere. In low-oxygen ferruginous Archaean and Proterozoic oceans, therefore, sedimentary methane production was likely favored with strong potential to influence Earth’s early climate.


2020 ◽  
Vol 151 ◽  
pp. 108051
Author(s):  
Haichao Li ◽  
Jan Van den Bulcke ◽  
Xiaolin Wang ◽  
Mesfin Tsegaye Gebremikael ◽  
Julius Hagan ◽  
...  

Author(s):  
Paula Afonso de Oliveira ◽  
Igor Rodrigues de Assis ◽  
Luiz Eduardo Dias ◽  
Ivo Ribeiro da Silva ◽  
Gustavo Magalhães Nunes Barbosa ◽  
...  

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