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Munmorah Conglomerate STRATNO: 13477
Current: Yes Rank: Formation, beds Status: Formal State(s): NSW
Category: Unknown or process pending Usage: Defined Definition Card: Yes (View definition data)
Originator: Uren R.E. Entry date: 01-JAN-88 Last Update: 17-APR-14
Replaced by: Previously known as: Munmorah conglomerate
Description: Medium to coarse-grained sandstone and conglomerate; minor siltstone and claystone
Comments: Previously included Vales Point Coal Member.The coal now [1999] marks the top of the underlying Newcastle Coal Measures. Unclear if other Member units are still in use or not. Included in ascending order: Cowper Tuff Member, Karignan Conglomerate Member, Vales Point Coal Member.
Geological province: No quality assured province information available
Type state: NSW Reference section type:
Maximum thickness: 140m Minimum thickness:

Unit Age
Top of unit -
Minimum age: Early Triassic Ma: % from base of biozone: Age method:
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: % from base of biozone: Age method:

Stratigraphic Hierarchy (current units only): - Rank: - Status:

Chemical Hierarchy (current units only): - Rank: - Status:

  • Munmorah Conglomerate- Formation, beds- Formal

Related units: Relationship: Contact Type:
Tuggerah Formation overlies Munmorah Conglomerate
Dooralong Shale underlies Munmorah Conglomerate

First Reference:
REFID: 43342 Hanlon, F.N., Osborne, G.D., Raggatt, H.G., 1953, Narrabeen Group: Its Subdivisions & Correlations between the South Coast & Narrabeen-Wyong Districts, Royal Society of New South Wales. Journal and Proceedings, 87, p106

Use on maps:
REFID: 40625 Herbert, C., West, J.L., 1983, Sydney, New South Wales,1:100 000 geological series map sheet 9130. 1st edition. (Map attached to "Geology of the Sydney 1:100 000 sheet 9130" edited by C.Herbert)., Geological Survey of New South Wales, 1v


Full Bibliographic Details (ordered by usage, publication year)

REFID: 22857 Scheibner, E. , Basden, H. (ed.) 1998 Geology of New South Wales - Synthesis. Volume 2 Geological Evolution. Geological Survey of New South Wales. Memoir (Geology) 13(2) 666pp
Usage: Described (p520 App.1 Tb.A1.9) Min age from reference: Early Triassic Max age from reference: Late Permian Comments: Of the Narrabeen Group. Medium to coarse-grained sandstone and conglomerate; minor siltstone and claystone. Max. thickness: 140m. Geological Province: Sydney Basin.
REFID: 22969 Maung, T.U. , Alder, D. , Shaw, R. , Hawley, S. 1997 Offshore Sydney Basin. Box 1 Bureau of Resource Sciences, Petroleum Prospectivity Bulletin
Usage: Described (Fig 4.1a) Max age from reference: Early Triassic Comments:
REFID: 39294 Uren, R. 1980 Notes on the Clifton Sub-Group, northeastern Sydney Basin. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p162-168
Usage: Described (p165) Comments:
REFID: 33683 Ward, C.R. 1971 Mineralogical changes as marker horizons for stratigraphic correlation in the Narrabeen Group of the Sydney Basin. Royal Society of New South Wales. Journal and Proceedings 104 p77-88
Usage: Described (Table 1) Comments: Narrabeen Gp.
REFID: 43370 Brunker, R.L. , Frenda, G. 1966 Geological report on the No.2 Drift Wyee State Coal Mine Geological Survey of New South Wales, Report 30 23
Usage: Described (p1,3-7) Comments: Type section from Wyong Bore.Correlated with Clifton Sub-Group
REFID: 43317 McElroy, C.T. 1957 Sydney N.S.W., 4-mile geological series explanatory Notes (first edition) Bureau of Mineral Resources, Australia 1v
Usage: Described (Table 1 p10) Comments:
REFID: 68003 Barnes, R. , Dawson, M. , Spiller, F. 2002 Geology - Integration and upgrade: NSW Western Regional Assessments: Brigalow Belt South Bioregion (Stage 2). A project undertaken for the Resource and Conservation Assessment Council; NSW Western regional assessments Geological Survey of New South Wales WRA / 19 157pp
Usage: Briefly described (p42.) Min age from reference: Early Triassic Max age from reference: Early Triassic Comments: Hunter Valley. Thick conglomerate sequences formed by large alluvial fans, generated by erosion in the uplifted New England Fold Belt. , Unit in Narrabeen Group. , Unconformably overlies Maitland Group.
REFID: 68711 Ives, M. , Brinton, J. , Edwards, J. , Rigby, R. , Tobin, C. , Weber, C.R. 1999 Revision of the stratigraphy of the Newcastle Coal Measures Coalfield Geology Council Of New South Wales. Bulletin 1 113-119
Usage: Briefly described (p117, p116 Tbl 2) Comments: Previously included Vales Point Coal Member. Unclear if other Member units are still in use or not. , Of Narrabeen Group , Included Cowper Tuff Member, Karignan Conglomerate Member, Vales Point Coal Member.
REFID: 22745 Herbert, C. 1997 Sequence stratigraphic analysis of Early and Middle Triassic alluvial and estuarine facies in the Sydney Basin, Australia Australian Journal of Earth Sciences 44(1) p125-143
Usage: Briefly described (p127) Max age from reference: Scythian Comments: Narrabeen Group, Sydney Basin. Overlies Dooralong Shale. Overlain by Tuggerah Formation.
REFID: 24121 Matthei, L.E. 1995 Soil Landscapes of the Newcastle 1:100 000 Sheet Department of Land and Water Conservation. Report. 320p
Usage: Briefly described (p103) Min age from reference: Triassic Max age from reference: Triassic Comments: Of Narrabeen Group.
REFID: 61315 New South Wales Department of Mineral Resources 1995 Sydney Basin IN Stewart, R. and Adler, D. (eds.) "New South Wales Wales Petroleum Potential" - Bulletin New South Wales. Department of Mineral Resources. Coal and Petroleum Geology Branch. Bulletin 1 p163-188
Usage: Briefly described (Table SY1) Min age from reference: Eary Triassic Max age from reference: Early Triassic Comments: Of the Clifton Subgroup (Narrabeen Group). Geological Province: Sydney Basin
REFID: 43194 Tadros, N.Z. 1993 The Gunnedah Basin, New South Wales. Geological Survey of New South Wales. Memoir (Geology) 12 649p
Usage: Briefly described (p118-119, p130) Min age from reference: Early Triassic Max age from reference: Early Triassic Comments: Also spelt Munmora Conglomerate. Of Narrabeen Group, Hunter Valley region, Sydney Basin. Equivalent to the informal 'lower lithic conglomerate unit' of the Digby Formation, Gunnedah Basin.
REFID: 42214 Gulson, B.L. , Diessel, C.F.K. , Mason, D.R. , Krogh, T.E. 1990 High precision radiometric ages from the northern Sydney Basin and their implication for the Permian time interval and sedimentation rates. Australian Journal of Earth Sciences 37(4) p459-469
Usage: Briefly described (p466) Comments:
REFID: 31129 Grebe, H. 1970 Permian plant microfossils from the Newcastle Coal Measures/Narrabeen Group boundary, Lake Munmorah, New South Wales. Geological Survey of New South Wales, Records 12(2) p125-136
Usage: Briefly described (p125) Comments: Pt. Narrabeen Gp. See also P127-131
REFID: 34448 Rattigan, J. , McKenzie, P.J. 1969 History of sedimentation in the Sydney Basin - Hunter Valley. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p426-434
Usage: Briefly described (p433) Comments: Permian
REFID: 34336 McElroy, C.T. 1969 Sydney Basin, Triassic system - Narrabeen Group. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p387-393
Usage: Briefly described (p391) Comments: On Table 5.16.
REFID: 66090 Pratt, G.W. 2010 A revised Triassic stratigraphy for the Lorne Basin, NSW Geological Survey of New South Wales. Quarterly Notes 134 p1-35
Usage: Mentioned (p23.) Min age from reference: Triassic Max age from reference: Triassic Comments: Sydney Basin. Its chert and jasper clasts are typical of New England Orogen provenance; similar to Laurieton Conglomerate (Lorne Basin) and Digby Conglomerate (Gunnedah Basin).
REFID: 39609 Bowman, H.N. , Whitehouse, J. 1984 The Nobbys-Dudley-Yard Seam, Kilaben Bay, Newcastle area. Geological Survey of New South Wales. Quarterly Notes 56 p1-12
Usage: Mentioned (Table 1) Comments:
REFID: 40625 Herbert, C. , West, J.L. 1983 Sydney, New South Wales,1:100 000 geological series map sheet 9130. 1st edition. (Map attached to "Geology of the Sydney 1:100 000 sheet 9130" edited by C.Herbert). Geological Survey of New South Wales 1v
Usage: Mentioned (Map legend) Min age from reference: Early Triassic Max age from reference: Late Permian Comments: Late Permian to Early Triassic
REFID: 37804 Conaghan, P.J. , Jones, J.G. , McDonnell, K.L. , Royce, K. 1982 A dynamic fluvial model for the Sydney Basin. Geological Society of Australia. Journal 29(1) p55-70
Usage: Mentioned (Table 1) Comments:
REFID: 38656 Diessel, C.F.K. 1982 Coal geology. Australian Mineral Foundation. Workshop Courses 200/82
Usage: Mentioned (Fig.1.3.11) Comments: P150
REFID: 37966 Tasch, P. 1981 Significant new Gondwana data on Australian, South African and South American conchostracans. Antarctic Journal of the United States 16(5) p4-5
Usage: Mentioned (p4) Comments:
REFID: 39287 Herbert, C. 1980 Depositional development of the Sydney Basin. IN Herbert C., Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p11-52
Usage: Mentioned (Fig. 2.18) Comments:
REFID: 39306 Retallack, G. 1980 Late Carboniferous to middle Triassic megafossil floras from the Sydney Basin. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p384-430
Usage: Mentioned (p406) Comments:
REFID: 39292 Diessel, C.F.K. 1980 Newcastle and Tomago Coal Measures. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p100-114
Usage: Mentioned (Fig. 6.2) Comments:
REFID: 39308 Herbert, C. , Helby, R. 1980 Part C - Excursion Guide. IN Herbert C.,Helby R.(eds) - A guide to the Sydney Basin. Geological Survey of New South Wales. Bulletin 26 p449-539
Usage: Mentioned (p458) Comments: See also P463
REFID: 35901 de Jersey, N.J. 1979 Palynology of the Permian-Triassic transition in the western Bowen Basin. Geological Survey of Queensland. Publication 374 (Palaeo, 46)
Usage: Mentioned (p7) Comments:
REFID: 35873 Foster, C.B. 1979 Permian plant microfossils of the Blair Athol Coal Measures, Baralaba Coal Measures, and basal Rewan Formation of Queensland. Geological Survey of Queensland. Publication 372 (Palaeo. 45)
Usage: Mentioned (p51) Comments:
REFID: 36042 Branagan, D. , Herbert, C. , Langford-Smith, T. 1979 The Sydney Basin. Science Press 1v
Usage: Mentioned (Fig.22) Comments:
REFID: 46849 Kemp, E.M. , Balme, B.E. , Helby, R.J. , Kyle, R.A. , Playford, G. , Price, P.L. 1977 Carboniferous and Permian palynostratigraphy in Australia and Antarctica: a review. BMR Journal of Australian Geology and Geophysics 2(3) p177-208
Usage: Mentioned (p195) Comments:
REFID: 33867 Williams, R.J. 1976 Hunter Valley: Permian coal measures geology. 25th International Geological Congress. Excursion Guide 11B
Usage: Mentioned (Table 1) Comments:
REFID: 32937 Roy, P.S. , Peat, C. 1975 Bathymetry and bottom sediments of Lake Macquarie. Geological Survey of New South Wales, Records 17(1) p53-64
Usage: Mentioned (p54) Comments: Geology
REFID: 37086 Britten, R.A. 1975 Maitland-Cessnock-Greta district. In Traves D.M. and King D.(Eds) - Economic geology of Australia and Papua New Guinea - 2.Coal. AusIMM. Monograph Series Monograph 6 p181-190
Usage: Mentioned (p185) Comments:
REFID: 37083 Crapp, C.E. , Nolan, R.C. 1975 Newcastle district. IN Traves D.M. and King D.(Eds) - Economic geology of Australia and Papua New Guinea - 2.Coal. AusIMM. Monograph Series 6 p163-175
Usage: Mentioned (p164) Comments:
REFID: 37087 Britten, R.A. 1975 Singleton-Muswellbrook district. IN Traves D.M. and King D.(Eds) - Economic geology of Australia and Papua New Guinea - 2.Coal. AusIMM. Monograph Series 6 p191-205
Usage: Mentioned (p198) Comments:
REFID: 31549 Johnson, K.R. 1974 The relation of the structural evolution of the Macquarie syncline to sedimentation of the Moon Island Beach Sub-Group, New South Wales. Geological Society of Australia. Journal 21(2) p157-172
Usage: Mentioned (p159) Comments: Stratigraphic succession
REFID: 31551 Johnson, K.R. , Cook, A.C. 1973 Cyclic characteristics of sediments in the Moon Island Beach Subgroup, Newcastle Coal Measures, New South Wales. International Association for Mathematical Geology. Journal 5(1) p91-110
Usage: Mentioned (Table 1) Comments: Stratigraphy of Moon Island Beach Subgroup
REFID: 29633 Balme, B.E. , Helby, R.J. 1973 Floral modifications at the Permian-Triassic boundary in Australia in the Permian and Triassic Systems and their mutual boundary. Canadian Society of Petroleum Geologists, Memoir 2 p433-444
Usage: Mentioned (p435) Comments: Permian/Triassic boundary
REFID: 30286 Cosgriff, J.W. 1973 Notobrachyops picketti a brachyopid from the Ashfield Shale, Wiannamatta Group, New South Wales. Journal of Paleontology 47(6) p1094-1101
Usage: Mentioned (p1099) Comments: Stratigraphic table
REFID: 31276 Helby, R. 1973 Review of Late Permian and Triassic palynology of New South Wales. Geological Society of Australia. Special Publication 4 p141-155
Usage: Mentioned (p147) Comments: Microflora
REFID: 29922 Branagan, D.F. 1972 Geology and coal mining in the Hunter Valley 1791-1861. Newcastle Public Library. Newcastle History Monographs 6
Usage: Mentioned (p49) Comments:
REFID: 33685 Ward, C.R. 1972 Sedimentation in the Narrabeen Group, southern Sydney Basin, New South Wales. Geological Society of Australia. Journal 19(3) p393-409
Usage: Mentioned (Table 2) Comments:
REFID: 31426 Galloway, M.C. 1972 Statistical analysis of regional heavy mineral variation, Hawkesbury Sandstone and Narrabeen Group (Triassic), Sydney Basin. Geological Society of Australia. Journal 19(1) p65-76
Usage: Mentioned (Fig.1) Comments:
REFID: 29915 Brakel, A.T. 1972 The geology of the Mt. View Range district, Pokalbin, N.S.W. Royal Society of New South Wales. Journal and Proceedings 105 p61-70
Usage: Mentioned (p68) Comments:
REFID: 31884 Loughnan, F.C. , Goldberry, R. 1971 Kaolinite claystone in the Burralow Formation of the Sydney Basin. AusIMM. Proceedings 238 p59-62
Usage: Mentioned (Table 1) Comments: Triassic
REFID: 31297 Herbert, C. 1970 A synthesis of Narrabeen Group nomenclature, Sydney Basin. Geological Survey of New South Wales. Quarterly Notes 1 p3-10
Usage: Mentioned (p6) Comments:
REFID: 29926 Branagan, D.F. , Johnson, M.W. 1970 Permian sedimentation in the Newcastle Coalfield, N.S.W. AusIMM. Proceedings 235 p1-36
Usage: Mentioned (Fig.3) Comments:
REFID: 34236 Helby, R. 1969 Aspects of stratigraphic palynology in the "Triassic" of the Sydney Basin. IN Abstracts for the second symposium in Advances in the study of the Sydney Basin, 1969. University of Newcastle. Department of Geology 1v p17-18
Usage: Mentioned (p17) Comments:
REFID: 33986 Adrian, J. 1969 Characteristics of the coal measures of the Hunter Valley region. Part III. Newcastle Coal Measures & Narrabeen Group in Tuggerah area, NSW. IN Abstracts for 2nd Symp. on Advances in study of Sydney Basin. University of Newcastle. Department of Geology 1v p30-31
Usage: Mentioned (p30) Comments: Table
REFID: 34339 McElroy, C.T. 1969 History of sedimentation in the Sydney Basin - Narrabeen Group sedimentation. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p439-443
Usage: Mentioned (p442) Comments:
REFID: 34270 Johnson, K.R. 1969 Modifications to Moon Island Beach Sub-group. (Letters to the Editor). Australian Journal of Botany 32(6) p254-255
Usage: Mentioned (p255) Comments: Table 1
REFID: 34009 Balme, B.E. 1969 The Permian-Triassic boundary in Australia. IN Dickens J.M. (ed) - The Permian of Australia Symposium. Geological Society of Australia. Special Publication 2 p99-112
Usage: Mentioned (Table III) Comments:
REFID: 34351 McKenzie, P.J. , Britten, R.A. 1969 The Sydney Basin - Permian of the Hunter Valley - Newcastle Coal Measures. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p339-350
Usage: Mentioned (p350) Comments: Fig.5.13
REFID: 34106 Conolly, J.R. 1969 The Sydney Basin - Triassic system - petrography of Narrabee n Group. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p401-402
Usage: Mentioned (p401) Comments:
REFID: 34437 Raggatt, H.G. 1969 The Sydney Basin - Triassic system, Narrabeen Group - microflora and fauna. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p405-407
Usage: Mentioned (p406) Comments:
REFID: 34241 Helby, R.J. 1969 The Sydney Basin - Triassic system, Narrabeen Group: stratigraphic palynology. IN Packham G.H.(ed) - The geology of New South Wales. Geological Society of Australia. Journal 16(1) p404-405
Usage: Mentioned (p404) Comments:
REFID: 43383 Brunker, R.L. , Offenberg, A.C. , Rose, G. 1967 Explanatory Notes 1:3 000 000 geological map of New South Wales. Geological Survey of New South Wales 32
Usage: Not recorded (p22) Comments:
REFID: 43344 Branagan, D.F. , McElroy, C.T. , Packham, G.H. 1967 Field geology of New South Wales Science Press 191
Usage: Not recorded (p21,88,164) Comments:
REFID: 43447 Engel, B.A. 1966 Explanatory Notes, 1:250 000 geological series, Newcastle I56-2. 1st Edition Geological Survey of New South Wales
Usage: Not recorded (Tbl 1,p24,diag.p26,) Comments: Part of Narrabeen Group. p27,29,37
REFID: 43320 Bryan, J.H. , McElroy, C.T. , Rose, G. 1966 Sydney 1:250 000 geological series explanatory notes. 3rd Edition. Geological Survey of New South Wales 46pp
Usage: Not recorded (Table 1 p11,12) Max age from reference: Triassic Comments: Part of Clifton Subgroup
REFID: 43508 Conolly, J.R. 1965 The occurrence of polycrystallinity and undulatory extinction in quartz in sandstones Journal of Sedimentary Petrology 35 p116-135
Usage: Not recorded (p122) Comments:
REFID: 44610 Evans, P.R. 1964 Palynological observations of Union-Kern-A.O.G. Cabawin East No.1 Well. Petroleum Search Subsidy Acts. Publication 44 Appendix 2 p44-50
Usage: Not recorded (p47,49) Comments:
REFID: 43318 McElroy, C.T. 1962 Sydney N.S.W. 1:250 000 geological survey explanatory Notes (second edition) Bureau of Mineral Resources, Australia 1v
Usage: Not recorded (opp p6) Max age from reference: Late Triassic Comments: See also Lexicon
REFID: 43385 Voisey, A.H. 1958 Clarke Memorial Lecture. Further remarks on the sedimentary formations of New South Wales Royal Society of New South Wales. Journal and Proceedings 91(4) 165-188
Usage: Not recorded (p182 Table) Max age from reference: Early Triassic Comments:
REFID: 43395 Crook, K.A.W. 1957 The stratigraphy and petrology of the Narrabeen Group in the Grose River district Royal Society of New South Wales. Journal and Proceedings 90 61-79
Usage: Not recorded (p74) Comments:
REFID: 43342 Hanlon, F.N. , Osborne, G.D. , Raggatt, H.G. 1953 Narrabeen Group: Its Subdivisions & Correlations between the South Coast & Narrabeen-Wyong Districts Royal Society of New South Wales. Journal and Proceedings 87 p106
Usage: Not recorded (Table 1 p107) Comments:

Bibliographic references returned: 66
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