GNS Science - Sedimentary Basin Classification Table (2011)

geologically defined boundaries of Late Cretaceous summary of basin basin references Neogene character boundaries convenience character type WESTERN BASINS

Exon et al. 2004; Wood In NW, part-merge into 1990; Wood & Woodward Minimum sediment isopach on Fairway Basin; in NE, 2002; Stagpoole et al. Cretaceous - Paleogene Challenger Plateau and Lord projection of West Norfolk Intraplate to back-arc 2007; Uruski et al. 2002; Intraplate rift, subsidence intraplate rift; Neogene Taranaki Basin Howe Rise; East Lord Howe Ridge; in S, projection of SE subsiding basin, minor Collot et al. 2009; Exon et and marine trangression intraplate subsidence, Rise Spur; West Norfolk Ridge; Challenger Plateau towards compression in east al. 2007 (but note their minor compression Taranaki Fault. minimum sediment isopach name Aotea Basin not near Cape Foulwind adopted)

Minimum sediment isopach W of Cretaceous - Paleogene Bellona Trough and on Lord In east, uncertain Intraplate rift, subsidence intraplate rift; Neogene Bellona Basin Howe Rise; minimum sediment relationship with sequence Intraplate subsiding basin and marine trangression intraplate subsidence, isopach in modern Tasman of Challenger Basin minor compression Basin

Monawai Ridge; Lord Howe Cretaceous - Paleogene Rise; minimum sediment Intraplate rift, subsidence intraplate rift; Neogene Monawai Basin Uruski 2010 Intraplate subsiding basin isopach in modern Tasman and marine trangression intraplate subsidence, Basin minor compression

Minimum sediment isopach on Cretaceous - Paleogene Uncertain relationships with Wood 1993; Wood & Challenger Plateau Challenger Plateau and Tasman Intraplate rift, subsidence intraplate rifts; Neogene Bellona Basin and West Uruski 2005; Tulloch et al. Intraplate subsiding basin Basin; Alpine Fault and and marine trangression intraplate subsidence, Basins Coast basins 1991 basement outcrop, West Coast minor compression

West Norfolk Ridge and Cretaceous - Paleogene prolongation; Norfolk and In SW, projection of West Stagpoole et al. 2009; Northland-Reinga Intraplate rift, subsidence Back-arc subsiding basin, intraplate rift; Neogene Reinga ridges, Vening Meinesz Norfolk Ridge to Waikato Uruski et al. 2008a; Uruski and marine trangression minor compression back-arc subsidence Basin Fracture Zone; Northland coast et al. 2010; Uruski 2009 and/or transpression basement outcrop

Cretaceous - Paleogene Waikato, King Taranaki Fault, onshore Edbrooke 2005; Townsend Back-arc subsiding basin, intraplate rifts; Neogene Country and basement outcrop, minimum et al. 2008; Proust et al. minor compression back-arc subsidence sediment isopach 2005 Whanganui Basins and/or transpression

Cretaceous - Paleogene Merge west into Challenger Sircombe & Kamp 1998; Intraplate rift, subsidence intraplate rifts; Neogene West Coast Basins On-land basement outcrop Basin or basins, and north Beggs et al. 2008; Beggs et Transform transpressional and marine trangression back-arc subsidence into Taranaki basin al. 2008 and/or transpression

Cretaceous - Paleogene Easternmost Alpine Fault trace; Wood et al. 2000; Barnes et intraplate rifts; Neogene Fiordland Basins Puysegur Trench merge to the Transform transpressional al. 2005 back-arc subsidence S; ?merge with Bellona Basin and/or transpression SOUTHERN BASINS

Boundary with Great South Onshore Canterbury basement Davey 1977; Mogg et al. Cretaceous - Paleogene Basin taken as Takapu outcrop, Chatham Rise south 2008; Uenzelmann-Neben Intraplate rift, subsidence intraplate rift; Neogene Canterbury Basin Swell and NW-SE oriented Intraplate subsiding basin margin; Campbell Plateau; et al. 2009; Uruski et al. and marine trangression intraplate subsidence, 3000 m total sediment "Takapu Swell" 2007 minor compression isopach

Boundary with Canterbury Minimum sediment isopach east Cretaceous - Paleogene taken as Takapu Swell; in of Stewart Island and on Intraplate rift, subsidence intraplate rift; Neogene Great South Basin SE boundary with Pukaki Uruski et al. 2007 Intraplate subsiding basin Campbell Plateau; "Takapu and marine trangression intraplate subsidence, Basin taken as 2000 m total Swell" and prolongation minor compression sediment isopach

Cretaceous - Paleogene Minimum sediment isopach on Anderton et al. 1982; Davey Intraplate rift, subsidence intraplate rift; Neogene Campbell Basin Intraplate subsiding basin Campbell Plateau 1990; Cook & Davey 1990 and marine trangression intraplate subsidence, minor compression

Cretaceous - Paleogene Outer Campbell Minimum sediment isopach on Davey 1977; Sanford 1980; Intraplate rift, subsidence intraplate rift; Neogene Intraplate subsiding basin Basin Campbell Plateau Davey 1990 and marine trangression intraplate subsidence, minor compression

In NE, boundary with Great Cretaceous - Paleogene Minimum sediment isopach on South Basin taken as SW- Sanford 1980; Uruski et al. Intraplate rift, subsidence intraplate rift; Neogene Pukaki Basin Campbell Plateau; minimum Intraplate subsiding basin NE oriented 2000 m total 2007 and marine trangression intraplate subsidence, sediment isopach to seaward sediment isopach minor compression

Minimum sediment isopach over Cretaceous - Paleogene In S, merge into modern Western Southland Macquarie Ridge Complex and Intraplate rift, subsidence Transpressional to back- intraplate rifts; Neogene Solander Trough and Turnbull, Uruski et al. 1993 west of Stewart Island; and marine trangression arc back-arc subsidence basins Emerald Basin Southland basement outcrop and/or transpression EASTERN BASINS

eastern limit taken as Basement outcrop in East Coast Cretaceous passive modern Hikurangi Trough; ranges; East Cape Ridge; Uruski et al. 2005; Uruski et Passive margin, subsidence margin rift; Neogene East Coast Basin "Uruski Fault" deformation Convergent margin forearc minimum sediment isopach in al. 2006; Uruski et al. 2008b and marine transgression convergent margin front taken as boundary with northern apex; Hikurangi Trough overprint Pegasus Basin

Kermadec Ridge, minimum Cretaceous passive Uruski 2008; Uruski et al. sediment isopach in north; East Basement and East Coast Passive margin, subsidence margin rift; Neogene Raukumara Basin 2008b; Sutherland et al. Convergent margin forearc Cape Ridge/margin of East Allochthon outcrop onshore and marine transgression convergent margin 2009 Coast Deformed Belt overprint

Three Kings Ridge; a possible Cretaceous passive Northeast Slope minimum sediment isopach to Uncertain relationship with Passive margin, subsidence margin rift; Neogene Herzer et al. 2009 Convergent margin forearc Basin seaward; Colville Ridge; Vening the South Fiji Basin and marine transgression convergent margin Meinesz Fracture Zone overprint

Kaikoura Canyon; Hikurangi "Uruski Fault" close to Early Cretaceous Trough; a minimum sediment deformation front taken as Uruski & Jones 2008; Passive margin, subsidence Passive margin, subsidence convergent margin; Late Pegasus Basin isopach on the Hikurangi boundary with East Coast Uruski 2010; Uruski in press and marine transgression and marine transgression Cretaceous to Recent Plateau to the N and E; Basin passive margin Chatham Rise

Minimum sediment isopachs to Early Cretaceous Chatham Slope west and north on Hikurangi Davy & Uruski 2002; Davy Passive margin, subsidence Passive margin, subsidence convergent margin; Late Basin Plateau, Wishbone Ridge to the et al. 2008 and marine transgression and marine transgression Cretaceous to Recent E passive margin OLIGOCENE TO RECENT BACK-ARC BASINS

Havre Trough - Basement outcrop in southern Taupo Volcanic Zone; Colville Neogene and modern Taupo Volcanic Wright 1993 Back-arc Ridge; Kermadec Ridge; merge back-arc Zone into Lau Basin

Norfolk Ridge; a minimum sediment isopach to seaward; Neogene and modern South Norfolk Basin Sdrolias et al. 2004 Back-arc Three Kings Ridge; Vening back-arc Meinesz Fracture Zone

Three Kings Ridge, Cook Fracture Zone, Loyalty Ridge, Uncertain relationship with Mortimer et al. 2007; Herzer Oligocene-Miocene back- South Fiji Basin New Hebrides Trench, Hunter Back-arc the South Fiji Basin et al. 2011 arc Fracture Zone, Lau Ridge, Colville Ridge