Methane seepage along the Hikurangi Margin, New Zealand: Overview of studies in 2006 and 2007 and new evidence from visual, bathymetric and hydroacoustic …

J Greinert, KB Lewis, J Bialas, IA Pecher, A Rowden… - Marine Geology, 2010 - Elsevier
This paper is an introduction to and an overview of papers presented in the Special Issue of
Marine Geology “Methane seeps at the Hikurangi Margin, New Zealand”. In 2006 and 2007 …

Tectonic and geological framework for gas hydrates and cold seeps on the Hikurangi subduction margin, New Zealand

PM Barnes, G Lamarche, J Bialas, S Henrys, I Pecher… - Marine Geology, 2010 - Elsevier
The imbricated frontal wedge of the central Hikurangi subduction margin is characteristic of
wide (ca. 150 km), poorly drained and over pressured, low taper (∼ 4°) thrust systems …

Shallow methane hydrate system controls ongoing, downslope sediment transport in a low‐velocity active submarine landslide complex, H ikurangi M argin, N ew Z …

JJ Mountjoy, I Pecher, S Henrys… - Geochemistry …, 2014 - Wiley Online Library
Morphological and seismic data from a submarine landslide complex east of New Zealand
indicate flow‐like deformation within gas hydrate‐bearing sediment. This “creeping” …

A study of submarine steep slope failures triggered by thermal dissociation of methane hydrates using a coupled CFD-DEM approach

M Jiang, C Sun, GB Crosta, W Zhang - Engineering Geology, 2015 - Elsevier
This paper presents an extended numerical study on submarine landsliding induced by
instantaneous thermal dissociation of a methane hydrate layer, by considering different …

Seismic imaging of gas conduits beneath seafloor seep sites in a shallow marine gas hydrate province, Hikurangi Margin, New Zealand

GJ Crutchley, IA Pecher, AR Gorman, SA Henrys… - Marine Geology, 2010 - Elsevier
We present recently-acquired high-resolution seismic data and older lower-resolution
seismic data from Rock Garden, a shallow marine gas hydrate province on New Zealand's …

Gas migration into gas hydrate‐bearing sediments on the southern Hikurangi margin of New Zealand

GJ Crutchley, DRA Fraser, IA Pecher… - Journal of …, 2015 - Wiley Online Library
We present multichannel seismic data from New Zealand's Hikurangi subduction margin that
show widespread evidence for gas migration into the field of gas hydrate stability. Gas …

Tectonic and geomorphic controls on the distribution of submarine landslides across active and passive margins, eastern New Zealand

SJ Watson, JJ Mountjoy… - Geological Society, London …, 2020 - lyellcollection.org
Submarine landslides occur on continental margins globally and can have devastating
consequences for marine habitats, offshore infrastructure and coastal communities due to …

Free gas distribution and basal shear zone development in a subaqueous landslide–Insight from 3D seismic imaging of the Tuaheni Landslide Complex, New …

F Gross, JJ Mountjoy, GJ Crutchley, C Böttner… - Earth and Planetary …, 2018 - Elsevier
The Hikurangi margin is an active continental margin east of New Zealand's North Island. It
is well recognized as a seismically active zone and is known for the occurrence of free gas …

A fluid pulse on the Hikurangi subduction margin: Evidence from a heat flux transect across the upper limit of gas hydrate stability

IA Pecher, H Villinger, N Kaul… - Geophysical …, 2017 - Wiley Online Library
A transect of seafloor heat probe measurements on the Hikurangi Margin shows a significant
increase of thermal gradients upslope of the updip limit of gas hydrate stability at the …

Methane-derived authigenic carbonates on accretionary ridges: Miocene case studies in the northern Apennines (Italy) compared with modern submarine …

C Argentino, S Conti, GJ Crutchley, C Fioroni… - Marine and Petroleum …, 2019 - Elsevier
We present new field data from three outcrops of Miocene methane-derived authigenic
carbonates in the foredeep of the northern Apennines that contain chemosynthetic fauna …