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 …

Microbiology of the Red Sea (and other) deep‐sea anoxic brine lakes

A Antunes, DK Ngugi, U Stingl - Environmental microbiology …, 2011 - Wiley Online Library
Summary The Red Sea harbours approximately 25 deep‐sea anoxic brine pools. They
constitute extremely unique and complex habitats with the conjugation of several extreme …

Thermogenic hydrocarbon biodegradation by diverse depth-stratified microbial populations at a Scotian Basin cold seep

X Dong, JE Rattray, DC Campbell, J Webb… - Nature …, 2020 - nature.com
At marine cold seeps, gaseous and liquid hydrocarbons migrate from deep subsurface
origins to the sediment-water interface. Cold seep sediments are known to host …

Impact of electron acceptor availability on the anaerobic oxidation of methane in coastal freshwater and brackish wetland sediments

KEA Segarra, C Comerford, J Slaughter… - … et Cosmochimica Acta, 2013 - Elsevier
Methane, a powerful greenhouse gas, is both produced and consumed in anoxic coastal
sediments via microbial processes. Although the anaerobic oxidation of methane (AOM) is …

Impact of natural oil and higher hydrocarbons on microbial diversity, distribution, and activity in Gulf of Mexico cold-seep sediments

BN Orcutt, SB Joye, S Kleindienst, K Knittel… - Deep Sea Research …, 2010 - Elsevier
Gulf of Mexico cold seeps characterized by variable compositions and magnitudes of
hydrocarbon seepage were sampled in order to investigate the effects of natural oils …

New insights into cerium anomalies and mechanisms of trace metal enrichment in authigenic carbonate from hydrocarbon seeps

Y Hu, D Feng, J Peckmann, HH Roberts, D Chen - Chemical Geology, 2014 - Elsevier
Authigenic carbonates that form at marine hydrocarbon seeps provide a unique geological
archive of past local environmental conditions and pore fluid geochemistry. Recent work on …

Emerging topics in marine methane biogeochemistry

DL Valentine - Annual review of marine science, 2011 - annualreviews.org
Our knowledge of physical, chemical, geological and biological processes affecting
methane in the ocean and in underlying sediments is expanding at a rapid pace. On first …

A cold and wet Mars

AG Fairén - Icarus, 2010 - Elsevier
Water on Mars has been explained by invoking controversial and mutually exclusive
solutions based on warming the atmosphere with greenhouse gases (the “warm and wet” …

Distribution and in situ abundance of sulfate‐reducing bacteria in diverse marine hydrocarbon seep sediments

S Kleindienst, A Ramette, R Amann… - Environmental …, 2012 - Wiley Online Library
Marine gas and hydrocarbon seeps are hot spots of sulfate reduction which is fuelled by
methane, other short‐chain alkanes or a complex mixture of hydrocarbons. In this study, we …

Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex

A Ijiri, F Inagaki, Y Kubo, RR Adhikari, S Hattori… - Science …, 2018 - science.org
Microbial life inhabiting subseafloor sediments plays an important role in Earth's carbon
cycle. However, the impact of geodynamic processes on the distributions and carbon-cycling …