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  • 1
    Publication Date: 2023-02-12
    Description: This dataset comprises 1785 apatite fission track (AFT) analyses from mostly Archaean-Palaeozoic igneous rocks, or their metamorphic equivalent, from across the Australian continent. Information provided in this dataset include sample locations, lithologies, AFT age determinations, and mean confined track length measurements. These analyses were first described in Kohn et al. (2002) and Gleadow et al. (2002), and provide critical insights into the low-temperature tectono-thermal evolution of the Australian upper crust over the last 300 million years.
    Keywords: Age, error; Age, mineral; apatite fission track; Australia; Australia_apatite_fission_track; Chi-squared test, result; denudation; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; ELEVATION; Elevation, maximum; Fission-track length, mean; Grains, counted/analyzed; landscape evolution; LATITUDE; Lithology/composition/facies; Location; LONGITUDE; OUTCROP; Outcrop sample; Rock type; Sample ID; Sample type; Standard deviation; tectonics; thermochronology; Tracks; Well
    Type: Dataset
    Format: text/tab-separated-values, 23304 data points
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  • 2
    Publication Date: 2023-05-12
    Keywords: AGE; Age, dated standard deviation; Area/locality; Coefficient; Fission-tracks, density, counted in stan; Fission-tracks, induced, density; Grains, counted/analyzed; LATITUDE; LONGITUDE; Number; Probability, chi-square test; Sample code/label; Sample comment; Tephra/volcanic ash
    Type: Dataset
    Format: text/tab-separated-values, 196 data points
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  • 3
    Publication Date: 2023-05-12
    Keywords: AGE; Age, dated standard deviation; Area/locality; Coefficient; Fission-tracks, density, counted in stan; Fission-tracks, induced, density; Grains, counted/analyzed; LATITUDE; LONGITUDE; Number; Probability, chi-square test; Sample code/label; Sample comment; Tephra/volcanic ash
    Type: Dataset
    Format: text/tab-separated-values, 210 data points
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  • 4
    Publication Date: 2023-06-27
    Keywords: 90-594_Site; Aluminium oxide; Aluminium oxide, standard deviation; Area/locality; Calcium oxide; Calcium oxide, standard deviation; Chlor oxide; Chlor oxide, standard deviation; Comment; COMPCORE; Composite Core; Deep Sea Drilling Project; DSDP; DSDP/ODP/IODP sample designation; Electron microprobe (EMP); Event label; Glomar Challenger; Iron oxide, FeO; Iron oxide, FeO, standard deviation; LATITUDE; Leg90; LONGITUDE; Magnesium oxide; Magnesium oxide, standard deviation; Number; ORDINAL NUMBER; Potassium oxide; Potassium oxide, standard deviation; Sample code/label; Sample code/label 2; Silicon dioxide; Silicon dioxide, standard deviation; Sodium oxide; Sodium oxide, standard deviation; South Pacific/CONT RISE; Tephra/volcanic ash; Titanium dioxide; Titanium dioxide, standard deviation; Water in rock; Water in rock, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 341 data points
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  • 5
    Publication Date: 2023-05-12
    Keywords: AGE; Age, dated standard deviation; Coefficient; Fission-tracks, density, counted in stan; Fission-tracks, induced, density; Grains, counted/analyzed; LATITUDE; LONGITUDE; Number; Probability, chi-square test; Sample comment
    Type: Dataset
    Format: text/tab-separated-values, 99 data points
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  • 6
    Publication Date: 2023-05-12
    Keywords: Area/locality; Heat flow; LATITUDE; LONGITUDE; Method comment; Number; Sample, optional label/labor no
    Type: Dataset
    Format: text/tab-separated-values, 85 data points
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  • 7
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    PANGAEA
    In:  Supplement to: Kohn, B P; Pillans, Brad J; McGlone, Matt S (1992): Zircon fission track age for middle Pleistocene Rangitawa Tephra, New Zealand: stratigraphic and paleoclimatic significance. Palaeogeography, Palaeoclimatology, Palaeoecology, 95(1-2), 73-94, https://doi.org/10.1016/0031-0182(92)90166-3
    Publication Date: 2023-06-27
    Description: Rangitawa Tephra is an important stratigraphic marker in mid-Pleistocene marine and terrestrial sequences in New Zealand and adjacent ocean basins. Zircon fission track ages (ZFTA) on Rangitawa Tephra from five sites in the southern North Island yield mean site ages in the range 0.34 to 0.40 Ma with a weighted mean of 0.35 + 0.04 Ma (1 sigma). On the basis of glass shard major-element chemistry, ferromagnesian mineralogy, ZFTA and similarity of paleomagnetic dates of proposed tephra correlalives in deep-sea cores, it is concluded that Rangitawa Tephra represents a major eruptive event in the Taupo Volcanic Zone most probably associated with eruption of the Whakamaru-group ignimbrites (0.35 0.39 Ma) or less likely the Paeroa Range Group Ignimbrites (0.36 -0.38 Ma). Pollen analyses from two onshore sites, together with regional loess stratigraphy, show that Rangitawa Tephra was erupted during a glacial period. The ZFTA and previously reported oxygen isotope data from DSDP Site 594 indicate that Rangitawa Tephra was erupted near the end of oxygen isotope stage 10.
    Keywords: 90-594_Site; COMPCORE; Composite Core; Deep Sea Drilling Project; DSDP; Glomar Challenger; Leg90; South Pacific/CONT RISE
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 8
    Publication Date: 1999-08-15
    Print ISSN: 0021-8979
    Electronic ISSN: 1089-7550
    Topics: Physics
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  • 9
    Publication Date: 2016-03-02
    Description: We report new fission-track, (U–Th)/He and 40 Ar/ 39 Ar ages for minerals in surface, dredge and borehole cuttings samples from the southern South Island, Campbell Plateau and Chatham Rise regions of the Zealandia continent. Our results indicate that much of southern Zealandia underwent rapid cooling in the interval 105–80 Ma, probably during widespread intracontinental rifting before Zealandia split from Gondwana. The 108 ± 11 Ma rapid exhumation of a zircon He retention zone in the Chatham Schist, however, may record cessation of long-lived subduction at the Gondwana margin owing to Hikurangi Plateau collision and/or the onset of the extensional rifting episode. Locally, basement rocks have been appreciably heated, and thermochronological systems reset, in response to deepening of the Great South Basin and by local Miocene intraplate volcanism. An apatite fission-track age of 179 ± 17 Ma from a dredge sample of Precambrian granite at the southern tip of the Campbell Plateau indicates that it is probably ice-rafted, thus in situ Precambrian crust in Zealandia is still unconfirmed. In contrast, a zircon (U–Th)/He age of 99 ± 9 Ma from a Precambrian metarhyolite from Iselin Bank at the conjugate Antarctic continental margin plausibly indicates an in situ position. Supplementary material: Detailed analytical methods and raw data are available at: http://www.geolsoc.org.uk/SUP18886 .
    Print ISSN: 0016-7649
    Topics: Geosciences
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  • 10
    Publication Date: 2016-04-15
    Description: We report new fission-track, (U–Th)/He and 40 Ar/ 39 Ar ages for minerals in surface, dredge and borehole cuttings samples from the southern South Island, Campbell Plateau and Chatham Rise regions of the Zealandia continent. Our results indicate that much of southern Zealandia underwent rapid cooling in the interval 105–80 Ma, probably during widespread intracontinental rifting before Zealandia split from Gondwana. The 108 ± 11 Ma rapid exhumation of a zircon He retention zone in the Chatham Schist, however, may record cessation of long-lived subduction at the Gondwana margin owing to Hikurangi Plateau collision and/or the onset of the extensional rifting episode. Locally, basement rocks have been appreciably heated, and thermochronological systems reset, in response to deepening of the Great South Basin and by local Miocene intraplate volcanism. An apatite fission-track age of 179 ± 17 Ma from a dredge sample of Precambrian granite at the southern tip of the Campbell Plateau indicates that it is probably ice-rafted, thus in situ Precambrian crust in Zealandia is still unconfirmed. In contrast, a zircon (U–Th)/He age of 99 ± 9 Ma from a Precambrian metarhyolite from Iselin Bank at the conjugate Antarctic continental margin plausibly indicates an in situ position. Supplementary material: Detailed analytical methods and raw data are available at: http://www.geolsoc.org.uk/SUP18886 .
    Print ISSN: 0016-7649
    Topics: Geosciences
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