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LATE CRETACEOUS ZONATIONS for AUSTRALIA Alan D. Partridge — Biostrata Pty Ltd Geoscience Australia – 2006 Geoscience Australia publication Timescale – VCEMP Project © Commonwealth of Australia 2006 ISBN: 1 921 236 05 1 – Chart 3 of 4.

Geoma- Planktonic Australian Standard Zones gnetic Nannoplankton 2004 Geologic Polarity - Microplankton Alternate Australian Zonation Schemes Timescale Generalised from Zones Zones Time Scale Robaszynski 1998 Helby et al. 1987 Helby et al. 1987 SEPM 60 – Chart 5 Gradstein et al. 2004 1995 Zonation originally Cenomanian to mid- with selected based on SE Margin Santonian based on Microplankton Microplankton Microplankton modifications by NW Shelf succession Zones Zones Zones with new subzones Ma AGE while younger zones Erba et al. 1999 & et al. adapted from Timor Sea North West Shelf Perth Basin Polarity

SEPM 54 Fig.1 based on Southern

Ma EPOCH STAGE Leckie et al. 2002 Adapted from Partridge 1999, 2001 von Salis 1998 From Bralower Helby (informal) McMinn 1988 Marshall 1984 SEPM 60 Chart 5 Chronzone Margin successions NN1 65.5 65.5 C29r 65.5 65.5 65.5 65.5 M1 65.5 65.5 65.86 CC26 NC23 Upper Forcipites 66.0 A. circumtabulata A. reticulata C30n Abathomphalus 66.6 longus M2 66.5 66.5 NC22 66.5 67.69 mayaroensis 67.0 M. druggii E. bifidum MAAS- C30r 67.5 C. saeptum 67.81 CC25 M3 Subzone 68.5 TRICHTIAN UPPER C31n 68.73 NC21 68.8 68.8 68.8 68.8 Racemiguembelina 69.2 69.3 fructicosa 70.0 CC24 70 C31r 70.5 Zone 70 LR 70.4 70.96 70.6 C32n.1n Gansserina 71.26 Lower C32n.1r gansseri Alterbidinium 71.47 Forcipites MICROPLANKTON 72.1 acutulum C32n.2n NOT DIAGNOSTIC longus M4 Subzone Canninginopsis 72.93 Globotruncana CC23b bretonica Former MAASTRICHTIAN C32r NC20 73.56 aegyptica 74.2 UPPER Globotruncana 75.0 75.0 75.0 75 havanensis 75.3 75 75.6 CC23a Deflandrea diebeli Globotrun. calcarata 75.8 Cladopyxidium 76.2 CC22 76.4 C33n 76.6 76.5 foveolatum CC21 Subzone 77.0 CAMPANIAN Globotruncana 77.5 NC19 T. lilliei I. korojonense ventricosa CC20 78.0 I. pellucidum 78.8 Samlandia 79.0 79.54 MIDDLE Microplankton carnarvonensis A. wisemaniae* 80 80.0 CC19 Subzone 80 80.6 80.6 80.6 Subzones 80.6 80.6 81.0 Globotruncana NC18 X. australis Otway Local A. bullatum* Subzone C33r 81.8 Areoligera X. australis elevata N. senectus Partridge 1999, 82.0 CC18 coronata N. aceras 2001 and N. aceras

LOWER later reports 83.5 83.5 83.5 83.5 83.5 83.9

U 83.8 84.1 ~84 Dicarinella CC17 83.9 84.2 I. rotundatum* Subzone I. cretaceum CC16 NC17 I. cretaceum Areosphaeridium M asymetrica 84.1 SANTONIAN 84.8 T. apoxyexinus 84.8 85.0 suggestium 85 85.0 85.5 NOT RECOGNISED 85 L CC15 O. porifera C. tripartita Subzone 85.8 85.8 85.8 85.8 85.8

U Conosphaeridium NC16 Clavifera vultuosus* C. striatoconum C. striatoconum 86.9 Dicarinella CC14 Subzone striatoconum CONIACIAN concavata 87.5 87.5 87.5 87.5 88.0 88.0 Trithyrodinium Subzone MID 88.5 88.5 LATE CRETACEOUS CC13 NC15 Gleicheniidites 1ai L Isabelidinium 89.3 89.4 ancorus* Upper 1aiA K. polypes Subzone I. acuminatum 89.7 acuminatum U Subzone 90 Marginotruncata CC12 NC14 90.6 90 90.4 sigali 90.6 I. evexus* Subzone 91.0 91.0 L. musa* Subzone 91.2 91.2 90.6 91.4 Heterosphaeridium Acme P. mawsonii TURONIAN MID Helvetoglobotruncata 91.8 NOT RECOGNISED 92.1 NC13 Middle 1aiB helvetica CC11 Hoegisporis 92.4 C. edwardsii Acme 92.2 infusorioides P. infusorioides 92.4 L trinalis* Subzone Lower 1aiC P. infusorioides 93.2 93.2 Palaeohystrichophora Whiteinella 93.5 NC12 93.5 93.7 93.5 93.5 93.5 93.5 93.9 archaeocretacea U Rotalipora cushmani CC10 NC11 95 95 95 95.5 95.6 E. ludbrookiae Zone M 95.8 Rotalipora reicheli Hoegisporis CENOMA- 96.1 Diconodinium used by Marshall 1984 uniforma D. multispinum 1aii multispinum cannot be correlated with other zone NIAN Rotalipora (former zone name CC9 NC10 schemes. globotruncanoides A. distocarinatus) * = New

LOWER manuscript name 99.6 99.6 Cretaceous Normal-Polarity Super Chron ("Cretaceous Quiet Zone") 99.6 Rot. appenninica 99.6 99.6 99.6

Acknowledgement: The author thanks Geoscience This work is copyright. Apart from any fair dealings for the purpose Geoscience Australia has tried to make the inform- Bibliographic reference: Partridge, A.D., 2006. Late Cretaceous of study, research, criticism, or review, as permitted under the ation in this product as accurate as possible. Australia and the Virtual Centre of Economic Copyright Act 1968, no part may be reproduced by any process However, it does not guarantee that the information palynology zonations for Australia. In: Monteil, E. (coord.), Australian Micropalaeontology and Palynology (VCEMP) for the without written permission. Copyright is the responsibility of the is totally accurate or complete. Therefore, you Mesozoic and Cenozoic Palynology Zonations – updated to the scientific assistance and financial support in the Chief Executive Officer, Geoscience Australia. Requests and should not solely rely on this information when 2004 . Geoscience Australia Record 2006/23. compilation of this chart. Alan D. Partridge publishes enquires should be directed to: Chief Executive Officer, making a commercial decision. ISBN 1 921 236 05 1. with the permission of the Chief Executive Officer, Geoscience Australia, GPO Box 378 Canberra ACT 2601. Geoscience Australia.