Summary of results. Joint GSQ-GA geochronology project: Cairns, Cape York and Georgetown regions, 2015-2016
This record presents new Sensitive High Resolution Ion MicroProbe (SHRIMP) U– Pb zircon results for eighteen samples from the Cairns, Cape York and Georgetown regions in Queensland. Samples from the Cairns region comprise one granite and one microgranite. Eight samples from the Cape York region and three from the Georgetown region comprise Paleozoic igneous rocks, all but one of which are part of the Carboniferous to Permian Kennedy Igneous Association. Of particular interest are the results for two rhyolitic intrusions from the Coen Inlier that are host to gold mineralisation and gave ages of approximately 280 Ma. These results are supported by similar ages reported by Kositcin et al. (2016), also from felsic dykes spatially associated with gold mineralisation. Together, they suggest a widespread, early-Permian gold (Kungurian) event in this region. The results for two felsic dykes spatially associated with gold mineralisation much farther to the south in the Georgetown region, also gave similar early-Permian ages. The geochronology of five metamorphic rocks from the Cape York region, which were analysed in support of the Coen–Cape Weymouth geology mapping project has resulted in all samples being reassigned to other formations. The work contained in this report was carried out under the auspices of the National Collaborative Framework (NCF) between Geoscience Australia and the Geological Survey of Queensland. The data and age interpretations are also available in Geoscience Australia’s Geochronology Delivery database ( http://www.ga.gov.au/geochron-sapub-web/).
<b>Bibliographic Reference: </b>CROSS, A.J., DHNARAM, C., BULTITUDE, R.J., BROWN, D.D., PURDY, D.J. & VON GNIELINSKI, F.E., 2019. Summary of results. Joint GSQ–GA geochronology project: Cairns, Cape York and Georgetown regions, 2015–2016. <i>Queensland Geological Record</i> <b>2019/01</b>.
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Identification info
- Date (Creation)
- 2019-11-05
- Date (Publication)
- 2023-06-05T02:06:11
- Citation identifier
- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/116481
- Cited responsible party
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Role Organisation / Individual Name Details Author Cross, A.
MEG Internal Contact Author Dhnaram, C.
External Contact Author Lisitsin, V.
Geological Survey of Queensland External Contact Author Bultitude, R.J.
External Contact Author Brown, D.
External Contact Author Purdy, D.
External Contact Author von Gnielinski, F.E.
External Contact Publisher Geological Survey of Queensland (GSQ)
External Contact
- Issue identification
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Queensland Geological Record 2019/01
- Purpose
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To publicly report geochronology results produced by GA in collaboration with the Geological Survey of Queensland
- Status
- Completed
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- Geoscientific information
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- As needed
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Product data repository: Various Formats
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Data Store directory containing the digital product files
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SHRIMP
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U-Pb
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Cairns
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Cape York
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Georgetown
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rhyolitic
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paleozoic igneous
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Published_External
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Creative Commons Attribution 4.0 International Licence
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CC-BY
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4.0
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© State of Queensland (Department of Natural Resources, Mines and Energy) and Commonwealth of Australia (Geoscience Australia) 2019
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- Unclassified
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- English
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- UTF8
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Role Organisation / Individual Name Details Distributor Commonwealth of Australia (Geoscience Australia)
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- Statement
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This work is part of an ongoing Geochronology Project, conducted by the Geological Survey of Queensland (GSQ) and Geoscience Australia (GA) under a National Collaborative Framework agreement.
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- Unclassified
Metadata
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urn:uuid/6366202e-3453-4e01-a06e-3abca3440a47
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GeoNetwork UUID
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- Resource scope
- Document
- Name
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Joint GSQ-GA geochronology project
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Geoscience Australia - short identifier for metadata record with
uuid
- Citation identifier
- eCatId/116481
- Metadata linkage
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https://internal.ecat.ga.gov.au/geonetwork/srv/eng/search?uuid=6366202e-3453-4e01-a06e-3abca3440a47
Point-of-truth metadata URL
- Date info (Creation)
- 2018-02-19T23:07:17
- Date info (Revision)
- 2018-02-19T23:10:24
Metadata standard
- Title
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AU/NZS ISO 19115-1:2014
Metadata standard
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ISO 19115-1:2014
Metadata standard
- Title
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ISO 19115-3 (Draft Schemas 2015)
- Edition date
- 2015-07-01T00:00:00
- Title
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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
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Version 2.0, April 2015