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Mahurangi Limestone

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Journal Article
Published: 01 July 2000
Micropaleontology (2000) 46 (3): 189-228.
...Barry O'Connor Abstract The known stratigraphic and geographic ranges of 50 recently erected species and five recently erected genera of Radiolaria, originally described from the New Zealand area (from the Mahurangi Limestone and Puriri Formation in Northland, and the Oamaru Diatomite in the South...
Journal Article
Published: 01 October 1994
Micropaleontology (1994) 40 (4): 337-350.
...Barry O'Connor Abstract Seven new radiolarian species from the Oligocene Mahurangi Limestone of Northland, New Zealand, are formally described. They are: Dorcadospyris mahurangi (Trissocyclidae), Dictyoprora gibsoni, Siphocampe missilis, Spirocyrtis proboscis (Artostrobiidae), Anthocyrtidium...
Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2433(16)
... of various mudstones, some of which are siliceous. Calcareous mudstones and micritic limestones occur in the Eocene and form the youngest, Oligocene, rocks (Mahurangi Limestone) in the sequence. The diagenetic history of the sequence is restricted to effects of their burial and was not modified by obduction...
Journal Article
Published: 01 February 2012
Journal of Micropalaeontology (2012) 31 (1): 29-52.
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Journal Article
Published: 01 July 2014
Journal of Foraminiferal Research (2014) 44 (3): 300-315.
... Harbour ( Fig. 1 ) in low-intertidal mud. “Monospecific” Ammonia (BP >80%) faunas (S = 2–12) have been recorded from around the North Island (Waimamaku Estuary, Kaipara, Mahurangi, Waitemata, Raglan and Ohiwa harbours, Firth of Thames, Pauatahanui Inlet), northern South Island (Nelson Haven, Big...
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