Distribution of contourite drifts on convergent margins: Examples from the Hikurangi subduction margin of New Zealand

Contourite drift systems form a significant component of the marine clastic sedimentary record. Although contourites form in all tectonic settings, few studies have described their development along convergent margins; such characterization is needed to underpin oceanographic and palaeoenvironmental...

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Published in:Sedimentology 2021-01, Vol.68 (1), p.294-323
Main Authors: Bailey, William S., McArthur, Adam D., McCaffrey, William D., Pontén, Anna
Format: Article
Language:English
Subjects:
Abyssal zone
Active margins
Bottom currents
Contourites
Convergence
Deep‐water
Drift
Hikurangi
Neogene
New Zealand
Ocean currents
Ocean floor
Oceanic trenches
Passive margins
Sand waves
Sedimentary structures
Slope gradients
Subduction
Subduction (geology)
Tectonics
Water wells
Well data
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container_title Sedimentology
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creator Bailey, William S.
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description Contourite drift systems form a significant component of the marine clastic sedimentary record. Although contourites form in all tectonic settings, few studies have described their development along convergent margins; such characterization is needed to underpin oceanographic and palaeoenvironmental studies in active settings. This study is the first to document contourite drift development along the Hikurangi subduction margin of New Zealand. Integration of bathymetric, seismic and well data enables five classes of drift to be recognized around the subduction wedge, occurring in three principal associations: (i) an upper slope drift association of giant elongate mounded (ca 150 km long, 50 km wide and up to 1100 m thick) and plastered drifts (ca 300 km long, 8 km wide and
doi_str_mv 10.1111/sed.12779
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Although contourites form in all tectonic settings, few studies have described their development along convergent margins; such characterization is needed to underpin oceanographic and palaeoenvironmental studies in active settings. This study is the first to document contourite drift development along the Hikurangi subduction margin of New Zealand. Integration of bathymetric, seismic and well data enables five classes of drift to be recognized around the subduction wedge, occurring in three principal associations: (i) an upper slope drift association of giant elongate mounded (ca 150 km long, 50 km wide and up to 1100 m thick) and plastered drifts (ca 300 km long, 8 km wide and &lt;600 m thick), which occurs upon and inboard of a major intrabasinal thrust‐cored high, whose long axis parallels the coast; shallow bottom currents disperse sub‐parallel to this axis; (ii) a spatiotemporally discontinuous association of confined and mounded hybrid drifts (ca 500 m long, &lt;2 km wide and up to 500 m thick) that occurs along the mid‐to‐outer slope domain of the wedge, recording the interaction of along‐slope and downslope currents within trench‐slope basins; and (iii) a trench fill assemblage that implies the passage of abyssal bottom currents across a 40 km reach of the trench‐axial Hikurangi Channel‐levée, with associated modification of the channel form and of overbank sediment waves. The fundamental presence of contourites along this margin appears to depend on the orientation and strength of oceanographic bottom currents. However, drift type and evolution vary depending on the slope gradient and the presence of irregular seafloor topography created by tectonic structures. 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The fundamental presence of contourites along this margin appears to depend on the orientation and strength of oceanographic bottom currents. However, drift type and evolution vary depending on the slope gradient and the presence of irregular seafloor topography created by tectonic structures. The documented drifts are generally smaller, less continuous, and develop more intermittently than similar styles of drifts documented on passive margins; this mode of occurrence may be characteristic of contourite development on convergent margins.</description><subject>Abyssal zone</subject><subject>Active margins</subject><subject>Bottom currents</subject><subject>Contourites</subject><subject>Convergence</subject><subject>Deep‐water</subject><subject>Drift</subject><subject>Hikurangi</subject><subject>Neogene</subject><subject>New Zealand</subject><subject>Ocean currents</subject><subject>Ocean floor</subject><subject>Oceanic trenches</subject><subject>Passive margins</subject><subject>Sand waves</subject><subject>Sedimentary structures</subject><subject>Slope gradients</subject><subject>Subduction</subject><subject>Subduction (geology)</subject><subject>Tectonics</subject><subject>Water wells</subject><subject>Well data</subject><issn>0037-0746</issn><issn>1365-3091</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kDFPwzAQhS0EEqUw8A8sMTGktZ3YidlQWyhSBQOwsFhOcy4uaVJsh9J_j2lYueWkp-_e3T2ELikZ0VhjD9WIsjyXR2hAU8GTlEh6jAaEpHlC8kycojPv14RQkRVygLqp9cHZsgu2bXBr8LJtQts5GwBXzprgcdSj-AVuBU3AG-1WtvE3ePatN9saPDau3eDwDnhuPzqnm5XFviurbnmw7Plf50fY4TfQtW6qc3RidO3h4q8P0evd7GUyTxZP9w-T20WiU85lwopS55waWXDCMyCMs4JmYApGM8YKQ6nMTE6M0bygTEMqhJAVlDKXGrQg6RBd9b5b13524INax9-auFKxLKeMECJEpK57aula7x0YtXU23r1XlKjfVFVMVR1Sjey4Z3e2hv3_oHqeTfuJHwYHecE</recordid><startdate>202101</startdate><enddate>202101</enddate><creator>Bailey, William S.</creator><creator>McArthur, Adam D.</creator><creator>McCaffrey, William D.</creator><creator>Pontén, Anna</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TN</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-7245-9465</orcidid><orcidid>https://orcid.org/0000-0003-2895-3973</orcidid><orcidid>https://orcid.org/0000-0003-3827-7593</orcidid></search><sort><creationdate>202101</creationdate><title>Distribution of contourite drifts on convergent margins: Examples from the Hikurangi subduction margin of New Zealand</title><author>Bailey, William S. ; McArthur, Adam D. ; McCaffrey, William D. ; Pontén, Anna</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a3559-28ba751f985054e0252814ef8214228f1194f70ffa5812ae36669deb979aea603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Abyssal zone</topic><topic>Active margins</topic><topic>Bottom currents</topic><topic>Contourites</topic><topic>Convergence</topic><topic>Deep‐water</topic><topic>Drift</topic><topic>Hikurangi</topic><topic>Neogene</topic><topic>New Zealand</topic><topic>Ocean currents</topic><topic>Ocean floor</topic><topic>Oceanic trenches</topic><topic>Passive margins</topic><topic>Sand waves</topic><topic>Sedimentary structures</topic><topic>Slope gradients</topic><topic>Subduction</topic><topic>Subduction (geology)</topic><topic>Tectonics</topic><topic>Water wells</topic><topic>Well data</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bailey, William S.</creatorcontrib><creatorcontrib>McArthur, Adam D.</creatorcontrib><creatorcontrib>McCaffrey, William D.</creatorcontrib><creatorcontrib>Pontén, Anna</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science &amp; Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy &amp; Non-Living Resources</collection><collection>Aquatic Science &amp; Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Sedimentology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bailey, William S.</au><au>McArthur, Adam D.</au><au>McCaffrey, William D.</au><au>Pontén, Anna</au><au>Pontén, Anna</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Distribution of contourite drifts on convergent margins: Examples from the Hikurangi subduction margin of New Zealand</atitle><jtitle>Sedimentology</jtitle><date>2021-01</date><risdate>2021</risdate><volume>68</volume><issue>1</issue><spage>294</spage><epage>323</epage><pages>294-323</pages><issn>0037-0746</issn><eissn>1365-3091</eissn><abstract>Contourite drift systems form a significant component of the marine clastic sedimentary record. 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ispartof Sedimentology, 2021-01, Vol.68 (1), p.294-323
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subjects Abyssal zone
Active margins
Bottom currents
Contourites
Convergence
Deep‐water
Drift
Hikurangi
Neogene
New Zealand
Ocean currents
Ocean floor
Oceanic trenches
Passive margins
Sand waves
Sedimentary structures
Slope gradients
Subduction
Subduction (geology)
Tectonics
Water wells
Well data
title Distribution of contourite drifts on convergent margins: Examples from the Hikurangi subduction margin of New Zealand
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