otway basin biozonation and stratigraphy

Transcription

otway basin biozonation and stratigraphy
OTWAY BASIN BIOZONATION AND STRATIGRAPHY
Epoch
0
Stage
Holocene
Quaternary Pleistocene
Pliocene
5
Spore-Pollen
Sub-zones
SE Standard
(A.D.P 2006)
(A.D.P 2006)
Lt. Pleist.
M. Pleist.
E. Pleist.
Gelasian
Piacenzian
Zanclean
Messinian
Taylor
Foram
Zonation
Otway Basin
Dinocyst
Zones
Australian
Dinocyst Zonation
(Rexilius 2009, unpub)
(Taylor 1961)
(A.D.P 2006)
(HMP 2006)
N22
A1
N, P Zones
(Blow 1969, 1999)
KCCM Zones
Tubulifloridites pleistocenicus
A4
Neogene
Wannaeue Formation
May range younger
Hanson Plain Sand
5
Moorabool Viaduct Sand
Mellitasphaeridium
choanophorum
B2
10
N14
C
N13
Triporopollenites bellus
Serravillian
D1
N11
Lower
Port Campbell Limestone
N10
N6
Heytesbury
Sequence
Tuberculodinium vancampoae
G
N5
H1
Aquitanian
Green Point Member
N4
Ophioglossisporites
lacunosus
Proteacidites tuberculatus
25
Gambier Limestone
H2
Camelback Member
N3, P22
I1
Chattian
Protoellipsodinium simplex
T3
I2
N2, P21
Oligocene
Granodisporites
nebulosus
30
May range older
J1
P19
Proteacidites
stipplatus
Fromea leos
Greenways Member
Spiniferites ramosus
P18
J2
Phthanoperidinium comatum
P17
Point Addis Limestone
Angahook Formation
"Postulated missing section"
M
P15
Nothofagidites asperus
Anacolosidites
luteoides
Bartonian
P14
Gippslandica extensa
N
Narrawaturk Marl
Nirranda
Sequence
Mepunga Formation
Narrawaturk Marl
Mepunga Formation
Anglesea Formation
30
35
Salt Creek Formation
Boonah Formation
Mepunga Formation
Achilleodinium
biformoides
P12
40
Upper Eastern View Group
Enneadocysta partridgei
Unnamed
O
P11
Arachnodinium antarcticum
Lutetian
Eocene
Narrawaturk Marl
Deflandrea heterophlycta
P13
Plicodiporites
crescentis
Paleogene
Corrudinium
incompositum
"Postulated missing section"
Addiscot Formation
Wangoom
Sand
Nirranda Group
L
Triorites magnificus
Nirranda Group
P16
Priabonian
20
25
Clifton Formation
K
35
Puebla Formation
Jan Juc Formation
"Postulated missing section"
N1, P20
Rupelian
Gellibrand Marl
Torquay Group
Member
N7
Acaciapollenites
myriosporites
15
Naracoorte Limestone
Demons Bluff Group
E2
F
Heytesbury Group
N8
Nirranda Group
D2
E1
Heytesbury Group
N9
Gambier Limestone
Langhian
Gambier Limestone
Miocene
May range younger
N12
20
45
0
N15
Upper
Burdigalian
40
0
Coomandook Formation
B1
N17b
100
Newer Volcanics
T4
N18/N19
N16
15
200
Bridgewater Formation
Whalers
Bluff
Sequence
A3
N20/N21
Short Term
Sea level curve
Offshore Torquay Sub-basin
Newer Volcanics
Myrtaceidites lipsis
Tortonian
Port Campbell Embayment
(South of Tartwaup Hingeline)
Bridgewater Formation
Achomosphaera ramulifera
N17
10
(Includes offshore NW Otway in SA, Lake Eliza High,
Lucindale High, Penola Trough, Kalangadoo High
and extension of latter two into western Victoria)
Protoperidinium leonis
A2
Foraminisporis bifurcatus
Gambier Embayment and
Voluta Trough
Robe - Penola Trough
Seismic Horizons
and Sequences
AGE
(Ma BP)
Period
Spore-Pollen Zonation
SE Standard
Heytesbury Group
AGE
(Ma BP)
GTS 2004 Timescale
T2
45
Paucilobimorpha asteris
Membranophoridium perforatum
P10
Proteacidites asperopolus
P
Charlesdowniea edwardsii
Homotryblium
tasmaniense
P9
50
P8
Santalumidites cainozoicus
P7
Myrtaceidites tenius
Dilwyn Formation
Dilwyn Formation
Rhombodinium waipawaense
R
Apectodinium homomophum
P6b
Proteacidites tuberculiformis
Wangerrip
Sequence
Apectodinium reburrus
Spinizonocolpites prominatus
P5
Matonisporites gigantis
Propylipollis annularis
T
Pember Mudstone
Senegalinium dilwynensis
U
Thanetian
Eisenackia crassitabulata
P4
Proteacidites angulatus
Selandian
Paleocene
55
Pebble Point
Formation (Upper)
Pebble Point Formation
Arg, Mts
60
Pember Mudstone
Eastern View Group
S
P6a
Proteacidites grandis
Pember Mudstone
Apectodinium hyperacanthum
Wangerrip Group
55
Rob
Wangerrip Group
Malvacipollis diversus
50
Wilsonidinium ornatum
Q
Wangerrip Group
Ypresian
Dilwyn Formation
Charlesdowniea thompsoniae
Alisocysta circumtabulata
Lygistepollenites balmei
P3
Pebble Point
Lin
Formation (Lower)
Pebble Point Formation
Tetracolporites
verrucosus
Eastern
P2
PA
65
Massacre Shale
T1
Trithyrodinium evittii
P0
Tripunctisporis
maastrichtiensis
View Group
Palaeoperidinium pyrophorum
P1
Danian
60
Lower
Massacre Shale
65
KCCM1-5
Wiridjil Gravel
Manumiella druggii
Manumiella druggii
Maastrichtian
KCCM6-10
Timboon Sandstone
KCCM16
KCCM17
Campanian
KCCM18
Isabelidinium korojonensis
KCCM19
80
Gambierina rudata
Otway Basin
Dinocyst
Sub-zones
KCCM20-23
Nothofagidites senectus
Forcipes sabulosus
KCCM24
Santonian
Paaratte Formation
Xenikoon australis
Xenikoon australis
(A.D.P 2006)
Nelsonia aceras
Nelsoniella aceras
Isabelidinium rotundatum
Isabelidinium
cretaceum
Isabelidinium cretaceum
Odontochitina porifera
Odontochitina porifera
Tricolporites apoxyexinus
Chatangiella tripartita
KCCM25-27
Conosphaeridium
striatoconum
Clavifera vultuosus
Coniacian
Gleicheniidites ancorus
KCCM28
Phyllocladidites mawsonii
Laevigatosporites musa
Boundary uncertain
Turonian
KCCM29-32
Hoegisporis trinalis
Mount Salt Formation
80
Conosphaeridium striatoconum
?
Belfast Mudstone (B)
Belfast Mudstone (Morum Member)
Belfast Mudstone (A)
PtF,
GeoN,
Wes
?
LC1.1
Geo,
Thy
?
LC1
Flaxman Formation C (Banoon Mbr)
Flaxman Formation
Flaxman Formation (B)
?
Flaxman Formation
infusorioides
Car,
PLo
BkR1,
Cal,
Nor
Waarre Formation
Copa Formation
Copa Formation
Waarre Formation (Cb)
LB, BCr, Butt, Cas 1-3,5, PCa1
Dun, EW1ST1, Hal 1, DW1 & 2,
Hen 1, Ion, Lan, McI, Mar,
NPa, Pec, SCr, Van, Wal 1 & 2
Myl
90
Flaxman Formation (A)
PtF
Waarre Formation
85
?
BkR1
Belfast Mudstone
Possibility of
Sherbrook Group
equivalent
NOT known
Nullawarre Greensand
Belfast Mudstone (C)
Geo
KCCM33
95
Mudstone
Formation
?
Palaeohystrichophora
Palaeohystrichophora
infusorioides
Skull Creek
Paaratte
Cas1,
Mnv
Shipwreck
Sequence
Kiokansium polypes
Isabelidinium evexus
Heterosphaeridium Acme
Cribroperidinium
edwardsii Acme
Paaratte Formation
LC2
Trithyrodinium
90
75
Isabelidinium
korojonense
Tricolporites lilliei
85
(Bottom of Eastern View Group
within F. longus zone in wells.)
Sherbrook
Sequence
Sherbrook Group
75
Timboon Sandstone
Microplankton not diagnostic
KCCM11-15
Late
70
Timboon Sandstone
Proteacidites
reticuloconcavus
Sherbrook Group
Forcipites longus
Sherbrook Group
70
Waarre Formation (Ca)
Waarre Formation (B)
Waarre Formation (A)
How,
Mnv,
Thy, Tri
95
KCCM34
Hoegisporis uniforma
Cenomanian
Diconodinium multispinum
KCCM35-36
100
Cretaceous
100
Xenascus asperatus
Phimopollenites pannosus
Dioxya armata
Eumeralla Formation
KCCM44
Flx, Lan, SCr
PCa4, Win1
Endoceratium ludbrookiae
Eumeralla Formation
(Volcanigenic, lithic
sandstones and shales)
Albian
Coptospora paradoxa
Canninginopsis denticulata
May range older
(Oldest zone penetrated south
of Tartwaup Hingeline is
P. pannosus)
KCCM45
110
Muderongia tetracantha
Eumeralla
Sequence
KCCM46
Crybelosporites striatus
Heathfield
Sandstone Member
115
105
No evidence of any
zones younger than
Crybelosporites striatus
zone.
Flx, Vau
110
Otway Group
105
KCCM37-43
Eumeralla Formation
115
KCCM47
Eumeralla Formation
Diconodinium davidii
Kat
Eumeralla Formation
Aptian
Eumeralla Formation
120
120
Cyclosporites hughesi
KCCM48
Win2
Early
Odontochitina operculata
EC2
Wal2,
Grv
Windermere
Sandstone Member
125
125
KCCM49
Otway Group
Katnook Sandstone
Has,
Hso,
LGr
130
Laira Formation
Foraminisporis wonthaggiensis
Gre
Muderongia testudinaria
KCCM50
Hauterivian
Phoberocysta burgeri
135
Trs
Wyn
Zem
NMi
Pretty Hill
Formation
Senoniasphaera tabulata
Upper Sawpit Shale
Systematophora areolata
Lower Sawpit Shale
Crayfish Sub-group of Otway Group
Muderongia australis
130
Unpenetrated in Offshore Torquay Sub-basin
Barremian
Pretty Hill Formation
Valanginian
Crayfish
Sequence
Upper
Kal
Egmontodinium torynum
140
Casterton Formation
Undifferentiated
Otway Group
(Lithologies uncertain.
Not penetrated in any
offshore wells
Batioladinium reticulatum
Ruffordiaspora australiensis
Batioladinium lobispinosum
EC1.1
Lower
Cassiculosphaeridia delicata
Kalyptea wisemaniae
145
Dingodinium jurassicum
Retitriletes watherooensis
Tithonian
Omatia montgomeryi
150
Age uncertain.
Taditionally considered
older on weak data
Age uncertain.
Traditionally considered
older on weak data.
Presence of Gagiella
mutabilis zone in Sawpit 1
suggest that Berriasian
and Late Jurassic
microflora are absent from
Otway Basin.
Pseudoceratium iehiense
145
150
Cribroperidinium perforans
Jurassic
140
Saw
Berriasian
155
Casterton Formation
Otway
Group
Sawpit Sandstone
135
Base
Dingodinium swanense
Late
Kimmeridgian
155
Wanaea clathrata
Upper
Murospora florida
Wanaea spectabilis
Oxfordian
160
Coleraine and
Casterton 1 Volcanics
160
Ctenidodinium ancorum
Middle
09-3792-1
GTS 2004 Timescale
After figure 30. O’BRIEN, G.W., BERNECKER, T., THOMAS, J.H., DRISCOLL, J.P. & RIKUS, L., 2006.
An assessment of the Hydrocarbon Prospectivity of Areas VIC/O-06(1), VIC/O-06(2), VIC/O-06(3) and V06-1, Eastern Onshore and Offshore Otway Basin, Victoria, Australia.
Victorian Initiative for Minerals and Petroleum Report 87, Department of Primary Industries.
After figure 35. O’BRIEN, G.W., BERNECKER, T., THOMAS, J.H., DRISCOLL, J.P. & RIKUS, L., 2006.
An assessment of the Hydrocarbon Prospectivity of Areas VIC/O-06(1), VIC/O-06(2), VIC/O-06(3) and V06-1, Eastern Onshore and Offshore Otway Basin, Victoria, Australia.
Victorian Initiative for Minerals and Petroleum Report 87, Department of Primary Industries.
Stratigraphic reference section for the Crayfish Sub-group in the Gordon 1 well.
Stratigraphic reference section for the lower Shipwreck Group in the Langley 1 well.
After figure 27. O’BRIEN, G.W., BERNECKER, T., THOMAS, J.H., DRISCOLL, J.P. & RIKUS, L., 2006.
An assessment of the Hydrocarbon Prospectivity of Areas VIC/O-06(1), VIC/O-06(2), VIC/O-06(3) and V06-1, Eastern Onshore and Offshore Otway Basin, Victoria, Australia.
Victorian Initiative for Minerals and Petroleum Report 87, Department of Primary Industries.
OTWAY BASIN LOCALITY MAP
Argonaut Boggy Creek Breaksea Reef Buttress Callister Caroline Casino Dunbar East Wing Flaxmans -
Arg
BCr
BkR
Butt
Cal
Car
Cas
Dun
EW
Flx
GarvocGeographe Geographe North Greenways Halladale Haselgrove Haselgrove South Henry Howmains Iona -
Grv
Geo
GeoN
Gre
Hal
Has
Hso
Hen
How
Ion
Kalangadoo Katnook La Bella Ladbrooke Grove Langley Lindon Martha McIntee Minerva Mount Salt -
Mylor 1 Normanby North Paaratte Nunga Mia Pecten Pine Lodge Port Campbell Port Fairy Robe Sawpit -
Kal
Kat
LBl
LGr
Lan
Lin
Mar
McI
Mnv
MtS
Myl
Nor
NPA
NMi
Pec
PLo
Pca
PtF
Rob
Saw
Skull Creek Thylacine Triton Troas Vaughan Wallaby Westgate Windermere Wynn Zema -
Onshore
Oil & gas discovery
Oil & gas show
Gas prone source rock
Offshore
Oil discovery
Gas discovery
Oil & gas prone source rock
Group
Oil show
Gas show
?
SCr
Thy
Tri
Trs
Vau
Wal
Wes
Win
Wyn
Zem
Possible source rock
Limestone
Conglomerate
Sandstone (very fine-grained)
Sandy siltstone
Basalt
Sandy Limestone
Mixed Marine
Sandstone (fine-grained)
Siltstone
Volcanics
Oolitic Limestone
Pelagic Marl
Sandstone (medium-grained)
Mudstone
09-3792-1
© Commonwealth of Australia (Geoscience Australia) 2009
The timescale, biozonation and stratigraphic data herein were compiled using Timescale
Creator PRO 1.2, developed by Adam Lugowski, Jim Ogg and Felix Gradstein
and using the GTS 2004 Timescale.
Production Design by Veronika Galinec
Geoscience Australia has tried to make the information in this product as accurate as possible.
However, it does not guarantee that the information is totally accurate or complete.
Therefore, you should not rely solely on this information when making a commercial decision.
Otway Basin
Biozonation and Stratigraphy, 2009
Chart 34
D.J. Mantle, T. Bernecker & A.P. Kelman (GA)
A.D. Partridge (Biostrata Pty Ltd)
Inquiries and further information about this chart and related products can be obtained from either Dr.
Robert S. Nicoll (phone: +61 2 6249 9484 email: bob.nicoll@ga.gov.au) or Dr John R. Laurie
(phone: +61 2 6249 9412; email: john.laurie@ga.gov.au).
These charts represent revisions of a previous series tying selected Australian biozonation and
lithostratigraphic schemes from the Geoscience Australia databases to the Geologic Time Scale 2004
(Gradstein et al, 2004).
Feedback or comments on the data contained herein is encouraged.