Facies depositional setting, mineral maturity and sequence stratigraphy of a Holocene drowned valley, Tamaki Estuary, New Zealand

Abrahim, Ghada M.S.; Nichol, Scott L.; Parker, R. J.; Gregory, Murray R.

doi:10.1016/j.ecss.2008.03.007

Cited by 38 publications

(16 citation statements)

References 30 publications

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“…The older date suggests that the estuary rapidly infilled in order to have reached −1 m below sea level by ∼6800 years cal BP. This date is equivalent to the timing of infill found in other New Zealand estuaries (Sheffield et al ., 1995; Heap and Nichol, 1997; Swales et al ., 2005; Abrahim et al ., 2008; Kennedy et al ., 2008). The younger date indicates that reworking of the upper sediments was occurring at least 2000 years before present.…”

Section: Discussionmentioning

confidence: 99%

The Evolution of a Holocene Estuarine Barrier on the Coromandel Coast, New Zealand

Woods

2011

Geographical Research

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Whitianga Harbour on the Coromandel Peninsula, North Island, New Zealand is fronted by a broad sandy barrier composed of linear beach ridges. The barrier developed through a process of rollover as sea level rose in the early Holocene with shelly sandy sediment washed inland over estuarine muds. These overwash deposits are present to 3 m below sea level in the back barrier area. Once sea level stabilised and barrier rollover had ceased the barrier continued to prograde in a series of beach ridges. The back barrier area is characterised by estuarine muds, overlain by splay and overwash deposits that are reworked by fluvial and tidal channels. The initial flooding of the estuary occurred at around 7350–7225 years cal BP, reaching modern levels by 6894–6729 years cal BP at the earliest. Infill was rapid as evidenced by estuarine species (crustaceans and bivalves) preserved in life position. From ∼6000 years BP to present, the estuary is characterised by tidal and fluvial reworking, suggesting that modern sediment inputs are bypassing the estuary.

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Section: Discussionmentioning

confidence: 99%

The Evolution of a Holocene Estuarine Barrier on the Coromandel Coast, New Zealand

Woods

2011

Geographical Research

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“…The sand beds of the lower section with tabular cross-bedding suggest a tidal-channel deposit. The near absence of bioturbation and few burrows in this unit may reflect high energy conditions and high sediment accumulation rates (e.g., Abrahim et al, 2008) in the depositional environment, consistent with the relatively low abundances and simple diversities of benthic foraminifera and ostracods. On the basis of the downcore distribution of grain sizes, DU 6 can also be subdivided into two sections.…”

Section: Depositional Units Sedimentary Facies and Chronology Of Comentioning

confidence: 95%

Stratigraphic development during the Late Pleistocene and Holocene offshore of the Yellow River delta, Bohai Sea

Liu

Saito

Wang

et al. 2009

Journal of Asian Earth Sciences

123

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“…However, certain interpretations have been agreed upon. First, channel, overbank, estuarine, and deltaic facies associations are the main facies associations represented in the infill deposits (Sakai et al 2006;Wilson et al 2007;Abrahim et al 2008). Secondly, finingupward trends dominate in infill sedimentary sequences, such as in transitions from lower fluvial facies to upper deltaic facies.…”

Section: Sedimentary Characteristics Of the Lmvsmentioning

confidence: 99%

Sequence architecture and sedimentary characteristics of a Middle Jurassic incised valley, western Sichuan depression, China

Liu

Yin

et al. 2018

Pet. Sci.

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The Middle Jurassic Shaximiao Formation encompasses tens of meters of thick lowstand meandering valley (LMV) strata in the western Sichuan foreland basin. Ancient LMVs newly discovered in this area were further studied based on sequence stratigraphy and seismic sedimentology. The aim of the present study was to investigate the sedimentary characteristics, sequence architecture, and the controls on LMV deposition in this tectonically active basin using field survey data, seismic sections, seismic amplitude imaging, core description, and comprehensive application of drilling data. The results show the following: (1) Three regional sequence boundaries and two flooding surfaces were recognized, and the Shaximiao Formation was divided into two-third-order sequences and four systems tracts. (2) Three sedimentary facies associations were identified: incised valley-fill, tributary channel, and overbank facies. Incised valleys are 5-17 km wide, 20-60 m deep and traceable for 120 km along their axes. (3) In the downstream segment, the role of tectonism gradually diminishes, and periodic base-level changes control the form and evolution of the incised valleys. Three types of LMVs-A1, A2, and A3-developed with changes in base level (lake level); of these types, the base level of the A3 LMV was likely the lowest.

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Facies depositional setting, mineral maturity and sequence stratigraphy of a Holocene drowned valley, Tamaki Estuary, New Zealand

Cited by 38 publications

References 30 publications

The Evolution of a Holocene Estuarine Barrier on the Coromandel Coast, New Zealand

The Evolution of a Holocene Estuarine Barrier on the Coromandel Coast, New Zealand

Stratigraphic development during the Late Pleistocene and Holocene offshore of the Yellow River delta, Bohai Sea

Sequence architecture and sedimentary characteristics of a Middle Jurassic incised valley, western Sichuan depression, China

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