forearc basin;
New Zealand;
active margin;
sedimentation;
subsidence;
unconformity;
accretionary prism;
D O I:
10.1016/S1251-8050(97)89463-3
中图分类号:
P [天文学、地球科学];
学科分类号:
07 ;
摘要:
Sedimentological studies from the Hikurangi forearc domain (New Zealand) outlined a major unconformity at the Miocene-Pliocene boundary, around 6-4 My ago. This discontinuity marks the transition between two main periods in the evolution of the active margin during the Neogene. The first one is Miocene (about 18-5 My)) and is characterized by a general deepening in water depths, linked to a major subsidence of the whole margin. The second period is Pliocene-Pleistocene (about 4-0 My) and exhibits the formation of a real forearc basin. This basin is an elongated narrow depression between the frontal are (landward) and the Coastal Ranges (seaward) corresponding to the highest ridge of the accretionary wedge.
机构:
Natl Inst Water & Atmospher Res NIWA, POB 14901, Wellington 6021, New ZealandNatl Inst Water & Atmospher Res NIWA, POB 14901, Wellington 6021, New Zealand
Barnes, Philip M.
Ghisetti, Francesca C.
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机构:
TerraGeoLogica, 60 Brabant Dr, Ruby Bay 7005, Mapua, New ZealandNatl Inst Water & Atmospher Res NIWA, POB 14901, Wellington 6021, New Zealand
Ghisetti, Francesca C.
Ellis, Susan
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机构:
GNS Sci, POB 30368, Lower Hutt 5040, New ZealandNatl Inst Water & Atmospher Res NIWA, POB 14901, Wellington 6021, New Zealand
Ellis, Susan
Morgan, Julia K.
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机构:
Rice Univ, 6100 Main St, Houston, TX 77005 USANatl Inst Water & Atmospher Res NIWA, POB 14901, Wellington 6021, New Zealand
机构:
Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USAOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Antriasian, Anson
Harris, Robert N.
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机构:
Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USAOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Harris, Robert N.
Trehu, Anne M.
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Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USAOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Trehu, Anne M.
Henrys, Stuart A.
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机构:
GNS Sci, Lower Hutt 5040, New ZealandOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Henrys, Stuart A.
Phrampus, Benjamin J.
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机构:
Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Naval Res Lab, ASEE Postdoctoral Program, John C Stennis Space Ctr, MS USAOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Phrampus, Benjamin J.
Lauer, Rachel
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机构:
Univ Calgary, Dept Geosci, Calgary, AB T2N 1N4, CanadaOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Lauer, Rachel
Gorman, Andrew R.
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机构:
Univ Otago, Dept Geol, Dunedin 9054, New ZealandOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Gorman, Andrew R.
Pecher, Ingo A.
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机构:
Univ Auckland, Sch Environm, Auckland 1142, New ZealandOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
Pecher, Ingo A.
Barker, Dan
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机构:
GNS Sci, Lower Hutt 5040, New ZealandOregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA