Citation

Geoscience Australia provides most of its products for free under a Creative Commons Attribution 3.0 Australia Licence. We only require that you reference the use of our data or information using the following citation:
Richards, J.R., White, D.A., Webb, A.W. & Branch, C.D., 1966. Isotopic ages of acid igneous rocks in the Cairns hinterland, north Queensland. Bulletin  088. Bureau of Mineral Resources, Geology and Geophysics, Canberra.

Abstract

This study arose out of the regional geological mapping of the Cairns Hinterland which was begun in 1956 as a joint undertaking by the Bureau of Mineral Resources and the Geological Survey of Queensland. It is another unit in the series of dating surveys stemming from the co-operation between the Australian National University and the Bureau of Mineral Resources. One of us (D.A.W.), assisted by F. de Keyser, was responsible for the supervision of the field operations connected with this study; another (C.D.B.) was concerned with the general investigation of these acid igneous rocks; the others (J.R.R. and A.W.W.) were assisted by J. A. Cooper in the production of the K-Ar results. We are indebted to W. Compston and M. J. Vernon for permission to publish the Rb-Sr results on the Palaeozoic rocks, and for assistance with measurements on the Croydon Volcanics. Samples were chosen with the aim of defining more closely the time limits of the two periods of activity that were thought to have produced the granites and acid volcanic rocks now covering about half the area. Regional mapping evidence had already suggested that a Precambrian age for the older granites was a reasonable possibility, and that the second event took place in the late Palaeozoic. Fossils collected by the mapping parties suggested that these periods were pre-Upper Ordovician and late Devonian/Carboniferous to Permian/Triassic (White, 1961). The present set of age data offers a most gratifying confirmation of some of these conclusions and provides a basis for the selection of samples for further study.
Google map showing geographic bounding box with values North bound -16.0 East bound 147.0 West bound 145.5 South bound -17.0
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Product Type/Sub Type

dataset - GA Publication - Bulletin

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license
Creative Commons Attribution 3.0 Australia Licence

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Commonwealth of Australia (Geoscience Australia)

Author(s)

Date (publication)

1966

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dataset

Topic Category

geoscientificInformation

Keywords

GA Publication
Bulletin
metamorphism
geology
Earth Sciences

Resource Language

English

Resource Character Set

utf8

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unclassified

Geographic Extent

North bound
-16.0
East bound
147.0
West bound
145.5
South bound
-17.0

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Unknown

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onLine

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pdf

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Organisation Name
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Canberra
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Metadata File Identifier

a05f7892-7fdf-7506-e044-00144fdd4fa6

Metadata Standard Name

ANZLIC Metadata Profile: An Australian/New Zealand Profile of AS/NZS ISO 19115:2005, Geographic information - Metadata

Metadata Standard Version

1.1

Metadata Date Stamp

2014-02-14

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unclassified

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pointOfContact
Organisation Name
Geoscience Australia
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Canberra
Administrative Area
ACT
Postal Code
2601
Country
Australia
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Downloads
For information on acquiring this product,
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