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Dumbudgery Creek Granodiorite STRATNO: 27393
Current: Yes Rank: Formation, beds Status: Formal State(s): NSW
Category: Variation of published name Usage: Described Definition Card: No
Originator: Entry date: 01-JAN-88Last Update: 17-OCT-14
Replaced by: Previously known as:
Description: Medium- to coarse-grained, hornblende-rich granodiorite; tonalite and leucotonalitic phases, some with intermediate to basic enclaves; includes porphyritic gabbroic rock and diorite phases.
Comments: Formerly of the Clarence River Plutonic Suite.
Geological province: No province information available
Type state: Reference section type:
Maximum thickness: mMinimum thickness:
Unit Age Event: intrusion
Top of unit -
Minimum age: Early Triassic Ma: 252 % from base of biozone: Age method: isotopic, Ar/Ar
Maximum age: Ma: % from base of biozone: Age method:
Base of unit -
Minimum age: Ma: % from base of biozone: Age method:
Maximum age: Late Permian Ma: 257 % from base of biozone: Age method:

Stratigraphic Hierarchy (current units only) Rank Status

Chemical Hierarchy (current units only) Rank Status


Related units: Relationship: Contact Type:
First Reference:
REFID: 29988 Brunker, R.L., Chesnut, W.S., Cameron, R.G., Hitchins, B.L., 1976, Grafton, New South Wales 1:250 000 geological series map. Sheet SH 56-6, 1st Edition., Geological Survey of New South Wales, 1v

Use on maps:
REFID: 23811 Henley, H.F., Brown, R.E., Brownlow, J.W., Barnes, R.G., Stroud, W.J., 2001, Grafton-Maclean 1:250 000 Metallogenic Map SH56-6, 7, Geological Survey of New South Wales, Sydney, Map, Map Legend
REFID: 29988 Brunker, R.L., Chesnut, W.S., Cameron, R.G., Hitchins, B.L., 1976, Grafton, New South Wales 1:250 000 geological series map. Sheet SH 56-6, 1st Edition., Geological Survey of New South Wales, 1v
REFID: 60079 Barnes, R.G, Willis, I.L., 1989, Preliminary geological plan of the 1:250 000 Grafton-Maclean sheet area (Plan Number 18345) -SH 56-6, SH 56-7, New South Wales Geological Survey - Report, GS1989/117 (unpubl.), Map


Full Bibliographic Details (ordered by usage, publication year)

REFID: 23812 Henley, H.F. , Brown, R.E. , Brownlow, J.W. , Barnes, R.G. , Stroud, W.J. 2001 Grafton-Maclean 1:250 000 Metallogenic Map SH/56-6 and SH/56-7: Metallogenic Study and Mineral Deposit Data Sheets Geological Survey of New South Wales, Sydney 1v 292pp
Usage: Described (p21 Tb.2, p63) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of Clarence River Plutonic Suite. Intrudes the Drake Volcanics.
REFID: 68111 Li, P-F. , Rosenbaum, G. , Rubatto, D. 2012 Triassic asymmetric subduction rollback in the southern New England Orogen (eastern Australia): the end of the Hunter-Bowen Orogeny Australian Journal of Earth Sciences 59(6) pp965-981
Usage: Briefly described (p968 Tb.1) Min age from reference: Induan Max age from reference: Wuchiapingian Comments: Ar-Ar dating of hornblende by Bryant et al. (1997b). , ca. 259 - 252 Ma , Of the Clarence River Supersuite.
REFID: 23811 Henley, H.F. , Brown, R.E. , Brownlow, J.W. , Barnes, R.G. , Stroud, W.J. 2001 Grafton-Maclean 1:250 000 Metallogenic Map SH56-6, 7 Geological Survey of New South Wales, Sydney Map Map Legend
Usage: Briefly described (Map Legend) Min age from reference: Late Permian Max age from reference: Late Permian Comments: Of Clarence River Plutonic Suite. Medium- to coarse-grained, hornblende-rich granodiorite; tonalite and leucotonalitic phases, some with intermediate to basic encalves; includes porphyritic gabbroic rock and diorite phases.
REFID: 22580 Suppel, D.W. , Barnes, R.G. , Scheibner, E. 1998 The Palaeozoic in New South Wales- geology and mineral resources. AGSO Journal of Australian Geology and Geophysics 17(3) 87-105
Usage: Briefly described (p99) Min age from reference: Late Permian Max age from reference: Late Permian Comments:
REFID: 42866 Henley, H.F. 1991 Lamprophyres and gold in the New England Fold Belt. Geological Survey of New South Wales. Quarterly Notes 83 p7-24
Usage: Briefly described (Table 2, P12) Comments:
REFID: 60079 Barnes, R.G , Willis, I.L. 1989 Preliminary geological plan of the 1:250 000 Grafton-Maclean sheet area (Plan Number 18345) -SH 56-6, SH 56-7 New South Wales Geological Survey - Report GS1989/117 (unpubl.) Map
Usage: Briefly described (Map Legend) Min age from reference: Late Permian Max age from reference: Permian Comments: Granodiorite and tonalite. Of the Clarence River Suite.
REFID: 23799 Cranfield, L.C. , Donchak, P.J.T. , Randall, R.E. , Crosby, G.C. 2001 Geology and mineralisation of the Yarraman Subprovince, south-east Queensland Queensland Geology 10
Usage: Mentioned (p117) Comments: Includes a high-K group of the Bruxner Suite (geochemical suite of Clarence River Supersuite as defined by Shaw and Flood, 1981, and Bryant and others, 1997).
REFID: 61772 Brownlow, J.W. 1999 Recurrent patterns in the Permo-Triassic development of the NEO and its environs IN Flood, P. G. (ed.) "Regional Geology Tectonics and Metallogenesis: New England Orogen" - papers presented at a conference .... University of New England, Armidale 1999" - NEO '99 Conference University of New England. Earth Sciences 1v p127-136
Usage: Mentioned (p132) Comments: Age: 249-257Ma.
REFID: 61795 Stroud, W.J. , Barnes, R.G. , Brown, R.E. , Brownlow, J.W. , Henley, H.F. 1999 Some aspects of the metallogenesis of the Southern New England Fold Belt IN Flood, P. G. (ed.) "Regional Geology Tectonics and Metallogenesis: New England Orogen" - papers presented at a conference .... University of New England, Armidale 1999" - NEO '99 Conference University of New England. Earth Sciences 1v p365-371
Usage: Mentioned (p368) Min age from reference: Early Triassic Max age from reference: Late Permian Comments: Geological Province: New England Fold Belt. I-type granites.
REFID: 42378 Barnes, R.G. , Brown, R.E. , Brownlow, J.W. , Stroud, W.J. 1991 Late Permian volcanics in New England - The Wandsworth Volcanic Group. Geological Survey of New South Wales. Quarterly Notes 84 p1-36
Usage: Mentioned (Table 1 P11) Comments:
REFID: 33476 Thomson, J. 1976 Geology of the Drake 1:100 000 sheet, 9340. Geological Survey of New South Wales 1v
Usage: Mentioned (p13) Comments:
REFID: 29988 Brunker, R.L. , Chesnut, W.S. , Cameron, R.G. , Hitchins, B.L. 1976 Grafton, New South Wales 1:250 000 geological series map. Sheet SH 56-6, 1st Edition. Geological Survey of New South Wales 1v
Usage: Mentioned (Map legend) Min age from reference: Early Permian Max age from reference: Early Permian Comments:

Bibliographic references returned: 12 This data is subject to Geoscience Australia's disclaimer and copyright statements.