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      Lithofacies, paleoenvironments and elements of sequence architecture, Late Oligocene - earliest Miocene Castle Craig Subgroup (Te Kuiti Group), Waikato-King Country Basin, New Zealand

      Kamp, Peter J.J.; Tripathi, Anand Ratnakar Prasad; Nelson, Campbell S.
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      PR4881 Lithofacies, paleoenvironments - CastleCraig subgroup.pdf
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      Kamp, P.J.J., Tripathi A.R.P., and Nelson, C.S. (2014). Lithofacies, paleoenvironments and elements of sequence architecture, Late Oligocene - earliest Miocene Castle Craig Subgroup (Te Kuiti Group), Waikato-King Country Basin, New Zealand. Ministry of Business, Innovation and Employment, New Zealand, unpublished Petroleum Report PR4881, 45 p.
      Permanent Research Commons link: https://hdl.handle.net/10289/9997
      Abstract
      This report presents a comprehensive facies and sequence stratigraphic analysis of the Late Oligocene Castle Craig Subgroup (Orahiri Formation and Otorohanga Limestone) within the Late Eocene – Earliest Miocene Te Kuiti Group in the Waikato-King Country Basin in central-western North Island, New Zealand. Detailed field investigations have identified 12 lithofacies within the Castle Craig Subgroup, which have been grouped into three lithofacies associations named limestone, mixed carbonate-siliciclastic sandstone, and siliciclastic sandstone after the dominant lithologies. In areas south of Aotea Harbour the subgroup comprises a wide variety of limestone types with variable siliciclastic content, dominated by coarse skeletal rudstone/grainstone, with aggregate stratigraphic thicknesses of up to 100 m. These sediments accumulated at shelf depths in a moderate to highenergy tidal seaway. Around Raglan Harbour and in areas to the north, the subgroup comprises predominantly planktic foraminiferal-rich packstone to wackestone and calcareous siltstone/marl that accumulated mainly in slope/upper bathyal settings.
      Date
      2014
      Type
      Commissioned Report for External Body
      Series
      Petroleum Reports
      Report No.
      PR4881
      Rights
      © Copyright 2014 The University of Waikato.
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      • Science and Engineering Papers [3213]
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