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IM Post -Triassic cover Permian and Triassic cover Silurian -Triassic (New England Orogen) Carboniferous volcanics (Cape York-Oriomo Inlier) Ordovician -Carboniferous (Hodgkinson - Broken River Orogen) Transitional Devonian -Carboniferous basins of Thomson Oregon Cambrian -Ordovician (Thomson Orogen) Cambrian - Ordovician cover - Precambrian Approximate boundaries of Carpentaria, — Eromanga.Moreton and Surat Basins • • • • • Subsurface boundaries of Permian - Triassic basins Subsurface boundaries of Devonian - Carboniferous basins ^ Subsurface boundary of Cambrian - Ordovician Georgina Basin --v— Transgressive basin margin ^ Unspecified boundary to structural units TERN ELT^••^ -m65ft.4miim 1 ••• GALILEE BASIN \ .'*. =:-..=#===. irti-mtli -
NEW ENGLAND OROGEN Yarrol Province Grantleigh Trough (Gogango Overfolded Zone) and Strathmuir Synclinorium The Grantleigh Trough developed in the Early Permian along the eastern side of the Camboon Volcanic Arc. It may have formed as a result of rifting and marginal sea development or as a pull-apart basin during major dextral strike-slip faulting (Murray, 1986; Murray & others, 1987); the basin contains deep water turbidites and spilitic pillow lavas similar to ocean floor basalts (Day & others, 1983). The Grantleigh Trough was subjected to deformation from the mid-Permian to the Middle Triassic to form the Gogango Overfolded Zone. The trough underwent compression in the mid-Permian with tight folding along NNW-SSE axes, and regional metamorphism. Deformation was renewed in the Late Permian-Early Triassic with further folding and the development of thrust faults (Kirkegaard & others, 1970; Dear & others, 1971). If the mid-Permian to Middle Triassic evolution of the Bowen Basin is interpreted as the development of a foreland basin, then the Gogango Overfolded Zone represents the associated fold-thrust belt (Murray, 1985). The Strathmuir Synclinorium contains andesitic volcanic rocks which represent the distal deposits of the Camboon Volcanic Arc. During the mid-Permian, marine sediments were deposited in the southern part of the Strathmuir Synclinorium, which at that time was probably continuous with the Grantleigh Trough. The area was folded in the late Early - early Late Permian into a broad, open synclinal structure, with local, small-scale, tight folding. The southern part of the area underwent further deformation in the Late Permian. The intensity of folding increases towards the Gogango Overfolded Zone (Day & others, 1983). Yarrol, Marlborough and Coastal Blocks, and Berserker Graben In the Devonian-Carboniferous, and again in the Early Permian, the Yarrol Block was a fore-arc basin to the Connors-Auburn and Camboon Volcanic Arcs, respectively. Andesitic volcanic rocks which occur in the Early Permian succession in the Yarrol Block (Fig. 2) are related to activity in the nearby arc. The Yarrol Block underwent deformation during the late Early to Late Permian, with open folding along NNW trending axes (e.g. the Yarrol Syncline), and reverse movement on high-angle faults; the intensity of folding increases towards the east. Folding was accompanied by thrusting along the Yarrol Fault System and the emplacement of serpentinites. In the Rockhampton area, folding locally produced dips up to 75 0 . Deformation was also accompanied by the emplacement of granites. In the Marlborough Block (Fig. 2), a thrust sheet of serpentinite and associated metamorphics was emplaced along part of the Yarrol Fault System during the Late Permian. The Coastal Block (Fig. 2) was regionally metamorphosed and deformed in the late Early Permian. There was highangle reverse movement on the Boyne River - Tungamull - Broad Sound Fault in the mid-Permian and the Late Permian - Early Triassic (Kirkegaard & others, 1970; Dear & others, 1971; Whitaker & others, 1974; Day & others, 1983). Deformation and serpentinite emplacement during the Permian may have been related to terrane 27
Page 1 and 2: BMR RECORD 1990/60 PAUEOGEOGRAPHY 1
Page 3 and 4: PERMIAN ENERGY & MINERAL RESOURCES^
Page 5 and 6: FOREWORD Palmogeographic maps are o
Page 7 and 8: were then used to determine the sed
Page 9 and 10: Oil); L.G. Elliott, P.L. Price, and
Page 11 and 12: sequences underlying parts of the S
Page 13 and 14: Eurydesma occurrences, suggesting t
Page 15 and 16: that the Lynningtonian stage embrac
Page 17 and 18: is constrained by the presence in p
Page 19 and 20: Permian igneous activity in the Per
Page 21 and 22: the late Artinskian and the basin w
Page 23 and 24: the Permian, however, the Permo-Car
Page 25 and 26: sea level; the only documented Perm
Page 27 and 28: southern Sydney Basin have been rel
Page 29: Connors-Auburn Volcanic Arc (Day &
Page 33 and 34: ^ 300 Ma CURTIS ISLAND TERRANE 302
Page 35 and 36: • WARWICK KILOMETRES 0^20^40^60 0
Page 37 and 38: existence of the fault. DISCUSSION
Page 39 and 40: Figure 5. Australia's position in G
Page 41 and 42: would alone occupy an entire volume
Page 43 and 44: the map), perhaps being joined by c
Page 45 and 46: Extensive bodies of marine water oc
Page 47 and 48: e attributed to the higher sea leve
Page 49 and 50: The marine region of eastern New En
Page 51 and 52: equivalents of the Bonaparte succes
Page 53 and 54: Figure 7. Eastern Australian palmog
Page 55 and 56: ocks at all of Permian 4 age, could
Page 57 and 58: others, 1985). Granitic intrusion a
Page 59 and 60: history of upper delta plain facies
Page 61 and 62: Basins were sourced from the underl
Page 63 and 64: structure in this area, ideally sui
Page 65 and 66: The Pedirka Basin's petroleum prosp
Page 67 and 68: side of the outcropping portion of
Page 69 and 70: Murray Infra-basins and Oaklands Ba
Page 71 and 72: as they were infilled; a hiatus occ
Page 73 and 74: Permian Alum Mountain Volcanics, in
Page 75 and 76: to the end of the period (Fig. 8).
Page 77 and 78: SELECTED BIBLIOGRAPHY ALLCHURCH, P.
Page 79 and 80: BANKS, M.R., & AHMAD, N., 1962 - Th
Page 81 and 82:
BLACK, L.P., BLAKE, D.H., & OLATUNJ
Page 83 and 84:
Resources, Australia, Record 1990/6
Page 85 and 86:
BROWN LOW, J.W., 1982a - A time-spa
Page 87 and 88:
E.L. (Editors) - Geology and minera
Page 89 and 90:
in New England, New South Wales. Jo
Page 91 and 92:
Metallogeny and tectonic developmen
Page 93 and 94:
Lochinvar Formation of the Sydney B
Page 95 and 96:
EXON, N.F., 1974 - The geological e
Page 97 and 98:
GSQ Mundubbera 5 & 6, Taroom Trough
Page 99 and 100:
GULSON, B.L., DIESSEL, C.F.K., MASO
Page 101 and 102:
HAWKINS, P.J., 1976 - Facies analys
Page 103 and 104:
HOLCOMBE, R.J., LITTLE, T.A., GIBSO
Page 105 and 106:
JONES, P.J., 1988 - Comments on som
Page 107 and 108:
to basin development across Phanero
Page 109 and 110:
LE MAITRE, R.W., 1975 - Volcanic ro
Page 111 and 112:
MALONE, E.J., JENSEN, A.R., GREGORY
Page 113 and 114:
McPHIE, J., 1982 - The Coombadjha V
Page 115 and 116:
MORY, A.J., 1988 - Regional geology
Page 117 and 118:
OLGERS, F., WEBB, A.W., SMIT, J.A.J
Page 119 and 120:
Geological Survey of New South Wale
Page 121 and 122:
Bonaparte Gulf Basin 1963-71. Burea
Page 123 and 124:
Basin, central Queensland. Geologic
Page 125 and 126:
TINGATE, P.R., ANDREW, J.W., DUDDY,
Page 127 and 128:
VOISEY, A.H., & PACKHAM, G.H., 1969
Page 129 and 130:
WILFORD, G.E., 1983 - Phanerozoic p
Page 131:
ENVIRONMENT SYMBOLS ON PERMIAN INTE
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