Microbially catalyzed dolomite formation: from near-surface to burial

DA Petrash, OM Bialik, TRR Bontognali… - Earth-Science …, 2017 - Elsevier
Over the past century a number of models have been developed to explain the vast
stratigraphic distribution of authigenic dolomite. These models include hydrogeological …

Trace elements in methane-seep carbonates: Potentials, limitations, and perspectives

D Smrzka, D Feng, T Himmler, J Zwicker, Y Hu… - Earth-Science …, 2020 - Elsevier
Marine authigenic carbonates form shallow-water microbialites, mud mounds, and
hydrocarbon-seep deposits and contain appreciable amounts of trace elements that yield …

Authigenic carbonates from newly discovered active cold seeps on the northwestern slope of the South China Sea: Constraints on fluid sources, formation …

Q Liang, Y Hu, D Feng, J Peckmann, L Chen… - Deep Sea Research …, 2017 - Elsevier
Authigenic carbonates recovered from two newly discovered active cold seeps on the
northwestern slope of the South China Sea have been studied using petrography …

The European Shale: An improved data set for normalisation of rare earth element and yttrium concentrations in environmental and biological samples from Europe

M Bau, K Schmidt, A Pack, V Bendel, D Kraemer - Applied Geochemistry, 2018 - Elsevier
The distribution of the Rare Earths and Yttrium (REY) in shale is considered representative
of that of average Post-Archean upper continental crust regardless of the shale's origin …

A 160,000-year-old history of tectonically controlled methane seepage in the Arctic

T Himmler, D Sahy, T Martma, G Bohrmann… - Science …, 2019 - science.org
The geological factors controlling gas release from Arctic deep-water gas reservoirs through
seabed methane seeps are poorly constrained. This is partly due to limited data on the …

Methane cold seeps as biological oases in the high‐Arctic deep sea

EKL Åström, ML Carroll, WG Ambrose Jr… - Limnology and …, 2018 - Wiley Online Library
Cold seeps can support unique faunal communities via chemosynthetic interactions fueled
by seabed emissions of hydrocarbons. Additionally, cold seeps can enhance habitat …

[HTML][HTML] Greenhouse gas emissions from marine decommissioned hydrocarbon wells: leakage detection, monitoring and mitigation strategies

C Böttner, M Haeckel, M Schmidt, C Berndt… - International Journal of …, 2020 - Elsevier
Hydrocarbon gas emissions from with decommissioned wells are an underreported source
of greenhouse gas emissions in oil and gas provinces. The associated emissions may partly …

Seawater‐fluid composition records from molybdenum isotopes of sequentially extracted phases of seep carbonate rocks

Z Jia, Y Hu, G Bayon, J Peckmann… - Geochemistry …, 2023 - Wiley Online Library
Authigenic molybdenum (Moauth) in marine sediments holds great potential to archive the
Mo isotopic composition of seawater and biogeochemical processes. However, the factors …

Rare earth elements as tracers for microbial activity and early diagenesis: A new perspective from carbonate cements of ancient methane-seep deposits

J Zwicker, D Smrzka, T Himmler, P Monien, S Gier… - Chemical …, 2018 - Elsevier
Ancient methane-seep carbonates are geological archives of environmental conditions and
record past microbial activity. To better understand the information stored in this archive, a …

Gas hydrate dissociation during sea‐level highstand inferred from U/Th dating of seep carbonate from the South China Sea

F Chen, X Wang, N Li, J Cao, G Bayon… - Geophysical …, 2019 - Wiley Online Library
Gas hydrates represent a huge reservoir of methane in marine sediments, prone to
dissociation in response to environmental changes. There is consensus that past events of …