Oamaru Diatomite

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
×Close Modal
Sort by
Journal Article
Published: 01 January 1999
Micropaleontology (1999) 45 (1): 1-55.
...Barry O'Connor Abstract Radiolarian faunas from seven localities of the well known Late Eocene Oamaru Diatomite were studied. All samples contained well preserved Radiolaria, generally of common or greater abundance, along with numerous sponge spicules and diatoms. Radiolarian faunal composition...
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
Journal: AAPG Bulletin
Published: 01 November 1970
AAPG Bulletin (1970) 54 (11): 2196-2199.
... , H. , and A. R. Edwards , 1968 , Electron microscopic studies on upper Eocene coccoliths from the Oamaru diatomite, New Zealand : [Austria] Geol. Bundesanst. Jahrb., spec . vol., no. 13 , p. 1 – 66 . Stradner , H. , and A. Papp , 1961 , Tertiare Discoasteriden aus...
Journal Article
Journal: Paleobiology
Published: 25 October 2013
Paleobiology (2013) 40 (1): 91-101.
... . Edwards A. R. 1991 . The Oamaru diatomite . DSIR Geology and Geophysics , Lower Hutt, N.Z . Fourtanier E. Gasse F...
Journal Article
Journal: PALAIOS
Published: 01 January 2017
PALAIOS (2017) 32 (1): 44-60.
FIGURES | View All (11)
Series: AAPG Memoir
Published: 01 January 2003
DOI: 10.1306/M77973
EISBN: 9781629810041
... in Cretaceous to Recent sediments from a number of environments. Originally composed of opal-A, they alter to other forms of silica, often with considerable loss of textural detail. Note a small fragment of a sponge spicule which overlaps the diatom. PPL, HA = 0.16 mm Eocene Oamaru Diatomite, Otago, New...
FIGURES | View All (50)
Series: AAPG Memoir
Published: 01 January 2015
DOI: 10.1306/13521908M1093637
EISBN: 9781629812731
... diatomaceous origin. SEM, Scale bar = 12 μm Eocene Oamaru Diatomite, Otago, New Zealand Abundant, partially fragmented diatoms in a siliceous marine sediment. Diatoms are unicellular algae that have been extant since the Early Jurassic in marine to marginal marine environments and since...
FIGURES | View All (102)
Journal Article
Published: 01 September 2005
Micropaleontology (2005) 51 (3): 217-258.
... silicification, with the star-like design of rays quite discernable. These were then examined in SEM. The nascent valves are rather fragile and have a tendency to fracture or collapse as they dry on the cover slip. Cleaned fossil specimens from the Oamaru deposit from Bain’s farm in New Zealand and Dunkirk...
FIGURES | View All (28)
Journal Article
Published: 01 February 2012
Journal of Micropalaeontology (2012) 31 (1): 29-52.
FIGURES | View All (11)