Development of New Zealand according to the fore-arc model of crustal evolution

Crook, Keith A. W.; Feary, David A.

doi:10.1016/0040-1951(82)90222-0

Cited by 22 publications

(13 citation statements)

References 109 publications

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“…Several recent workers favoured a Gondwana source, situated to the south of the New Zealand region. Thus Spi)rli (1978), Crook & Feary (1982), Dickinson (1982), and Korsch & Wellman (1988, see Fig. 5) envisaged derivation of (Roser & Korsch 1986) showing the distribution of Mangapokia Formation sandstones (0, sandstones; &, calcite-cemented sandstones recalculated so that CaO equals the mean value ofuncemented samples) and argillites (e).…”

Section: Conglomeratesmentioning

confidence: 99%

Provenance of Cretaceous accretionary wedge sediments: The Mangapokia Formation, Wairarapa, New Zealand

Barnes

1990

New Zealand Journal of Geology and Geophysics

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The middle Cretaceous Mangapokia Formation (pahaoa Group) near Te Awaiti, southeast North Island, New Zealand, consists of a submarine-fan turbidite-conglomerate sequence incorporated into the Torlesse terrane accretionary wedge during Mesozoic plate convergence along the eastern margin of Gondwana.Bedded turbiditic sandstones are feldspatholithic (mean Q23F4:zL3s) and similar to other Cretaceous Torlesse rocks. Petrographic features and modal compositions of sandstones indicate a partly dissected magmatic arc provenance, and the geochemistry of the sandstone-argillite suite suggests derivation from an Andean-type active continental margin. Conglomerate clast compositions are variable with many sedimentary and silicic igneous rock types being indicative of mixed magmatic arc,recycled Torlesse, andcmtonic sources.

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Section: Conglomeratesmentioning

confidence: 99%

Provenance of Cretaceous accretionary wedge sediments: The Mangapokia Formation, Wairarapa, New Zealand

Barnes

1990

New Zealand Journal of Geology and Geophysics

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“…After the Rangitata orogenesis during the Cretaceous, New Zealand became a passive margin until Oligocene time, while active spreading separated Antarctica and Australia (Crook and Feary, 1982). However, at the end of the late Eocene, an increase in illite and irregular mixed-layer clays appeared at Site 592 on the southern Lord Howe Rise.…”

Section: Late Eocene-early Oligocenementioning

confidence: 99%

“…During the earliest Miocene, the detrital supply on the Challenger Plateau (Site 593) was marked by an increase in chlorite, illite, irregular mixed-layer clays, and Crook and Feary (1982), Hume (1978), Kennett (1977Kennett ( , 1982, Malahoff et al (1982), Nelson (1977), Nelson and Hume (1977), Norris et al (1978), Stock and Molnar (1982).…”

Section: Early Miocenementioning

confidence: 99%

“…The Oligocene/Miocene boundary is marked by a change in the poles of rotation of the Pacific and Indo-Australian plates (Stock and Molnar, 1982). As a consequence, a compressive regime began in New Zealand (Crook and Feary, 1982), resulting in regional uplift of the South Island (Norris et al, 1978). Above the hiatus on the southern Lord Howe Rise (Site 592), the clay mineral analysis shows 95% smectites and 5% kaolinite.…”

Section: Early Miocenementioning

confidence: 99%

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Cenozoic Evolution and Significance of Clay Associations in the New Zealand Region of the Southwest Pacific, Deep Sea Drilling Project, Leg 90

Robert¹,

Stein²,

Acquaviva³

1986

Initial Reports of the Deep Sea Drilling Project

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Clay minerals, flux rates, and the size distribution of terrigenous matter in DSDP Sites 592, 593, and 594 have been used to reconstruct continental and marine paleoenvironments in the New Zealand sector of the southwest Pacific. Five stages are recognized from late Eocene to Pleistocene times.1. At the Eocene-Oligocene boundary, illite and mixed-layer clays marked a period of tectonic extension related to graben formation and volcanic activity.2. During the Oligocene, smectites formed abundantly in plains and perimarine lagoons which developed during subsidence-induced peneplanation of the relief.3. During the early Miocene, greater abundances of chlorite, illite, and irregular mixed-layer clays, and the appearance of kaolinite were due to an increase in the relief of New Zealand that followed the inception of a compressive regime; in the Tasman Sea, part of the detrital supply (smectites) was derived from the north and was deposited by southward-flowing currents.4. From middle Miocene to early late Miocene time, abundant chlorite, illite, mixed-layer clays, and kaolinite, and the appearance of stilpnomelane marked an important tectonic event in New Zealand which increased the detrital supply to the whole South Tasman Sea; on the Chatham Rise, abundant smectites from the north diluted the detrital supply influenced by the tectonic activity in New Zealand.5. From early late Miocene to Pleistocene time, abundant chlorite, illite, mixed-layer clays, kaolinite, and stilpnomelane were eroded from New Zealand, where the Kaikoura orogeny increased the relief, and deposited in the South Tasman Sea; during the late Pliocene, both grain size and amounts of clay particles eroded from New Zealand increased, related to reinforced bottom-current activity on the Lord Howe Rise; on the Chatham Rise, increased detrital components from the Southern Alps (chlorite, illite, mixed-layer clays, stilpnomelane) were supplied by northwardflowing currents.

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“…With the development of plate tectonic concepts it seemed significant that the NW-SE trends of the volcanic belts conformed to the elongated shape of the northern North Island, and many subsequent authors (e.g. Schofield, 1968;Brothers, 1974;Sporli, 1980;Wright and Black, 1981;Cole and Lewis, 1981;Crook and Feary, 1982;Ballance et al, 1982) assumed that the andesite distribution pattern was evidence for a Miocene-Pliocene magma-generating convergence zone which also trended NW-SE and dipped SW below the North Island as an interface between the Pacific and Indian plates. Although originally based purely upon inference, by repeated reference this model has become well established.…”

Section: Introductionmentioning

confidence: 98%

Upper Tertiary and Quaternary volcanism and subduction zone regression, North Island, New Zealand

Brothers¹

1986

Journal of the Royal Society of New Zealand

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Upper Tertiary and Quaternary volcanism and subduction zone regression, North Island, New Zealand R. N. Brothers" Radiometric ages for Cenozoic calc-alkaline igneous rocks in the North Island indicate the presence of two contrasted areas of eruption. An older group of volcanics (27-23 Ma) is spread NW-SE along the east coast of Northland between North Cape and Whangarei; these lavas, including garnet andesites, were generated during an isolated igneous event accompanying obduction of ophiolite massifs during the Late Oligocene. A younger group of Miocene to Holocene age (21-0 Ma) is distributed between Tokatoka-Whangarei and Egmont-Taupo Volcanic Zone across a series of NE-SW time-lines (volcanic arcs) which record a southeasterly younging direction for sequential initiation of volcanism; the erupted rocks lie along two major belts trending NW-SE (East Belt and West Belt) parallel to old basement fractures. Depths to magma sources are estimated from KzO-SiOz indices, with deeper levels indicated for the Tokatoka-Egmont West Belt (114-220 km) than for the East Belt (72-148 km) between Whangarei and Taupo Volcanic Zone. The shallow-sourced magmas of the East Belt have higher 87Sr/86Sr isotope ratios than those of the West Belt, and have developed a metallogenic province with andesitic epithermal gold-silver and porphyry-copper stocks.A subduction system responsible for the Miocene and later volcanism appears to have had the same trend and polarity as the modern Benioff zone beneath the North Island, with NE-SW strike and NW dip. The first stage of this convergence system, preceding the Miocene igneous activity, was a shallow, non-volcanic underplating of the North Island originating from the Hikurangi Trench. By the Early Miocene this lower lithospheric plate had reached as far north as the latitude of Whangarei-Tokatok a where it descended steeply, perhaps due to decrease in velocity. At this stage the mode of convergence for the lower plate changed from progressive underflow to subduction regression, and volcanism commenced along the 21 Ma time-line; this volcanic front subsequently migrated southeastward at rates controlled by oceanward retreat of the subduction zone. In regions traversed by rapid subduction regression (23-27.5 km/myr) the Mesozoic greywacke basement foundered and was extensively depressed by tensional collapse, but in areas of slower migration rates ("" 10 km/myr) the basement has remained high-standing.

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Development of New Zealand according to the fore-arc model of crustal evolution

Cited by 22 publications

References 109 publications

Provenance of Cretaceous accretionary wedge sediments: The Mangapokia Formation, Wairarapa, New Zealand

Provenance of Cretaceous accretionary wedge sediments: The Mangapokia Formation, Wairarapa, New Zealand

Cenozoic Evolution and Significance of Clay Associations in the New Zealand Region of the Southwest Pacific, Deep Sea Drilling Project, Leg 90

Upper Tertiary and Quaternary volcanism and subduction zone regression, North Island, New Zealand

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