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RB 94/00033 Crayfish Group biostratigraphy study. Final report.
Published: 01 Aug 1994 Created: 07 Nov 2024 Revised: 07 Nov 2024
Author: Rowett, A.I.

A new subdivision of the Foraminisporis wonthaggiensis Zone (Helby et al., 1987) of the Early Cretaceous Crayfish Group sediments of the Otway Basin is proposed. Seven zones are identified from the palynological data and three from the dispersed...

A new subdivision of the Foraminisporis wonthaggiensis Zone (Helby et al., 1987) of the Early Cretaceous Crayfish Group sediments of the Otway Basin is proposed. Seven zones are identified from the palynological data and three from the dispersed cuticle. The reference biozonations were initially produced from detailed sampling of drill core, sidewall core and drill cuttings of Katnook 2, and then modified on the basis of information obtained from thirteen wells selected by the project sponsors. The palynological biozonation was successfully identified in all wells, resulting in correlations being made along three transects through the basin. These correlations were supported by the dispersed cuticle information when available. The dispersed cuticle biozonation was identified in several wells. More detailed sampling of the selected plus numerous additional wells is recommended to further refine these biozonations.

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About this record

Record No rb9400033
Topic Geoscientific Information
Type of Resource Document
Category Type
Document Type Departmental Publication - Energy Geoscience
Contributor
Sponsor Cultus Petroleum (Aust.) NL;Sagasco Resources Ltd;Oil Co. of Australia Ltd;Gas and Fuel Corp. of Victoria;Gas and Fuel Exploration NL;Victoria. Department of Minerals and Energy;BHP Petroleum (Victoria) Pty Ltd
Tenement
Tenement Holder
Operator
Geological Province Otway Basin
Mine Name
Stratigraphy
Commodity
    Notes 
    Geographic Locality: South Australia;South-East;Southwestern Victoria
Doc No: RB 94/00033
Drillhole: Katnook 2;Katnook 1;Katnook 3;Bus Swamp 1 (Vic.);Casterton 1 (Vic.);Crankshaft 1;Crayfish-A 1;Ladbroke Grove 1;Laira 1;Lake Hawdon 1;Reedy Creek...
    Geographic Locality: South Australia;South-East;Southwestern Victoria
Doc No: RB 94/00033
Drillhole: Katnook 2;Katnook 1;Katnook 3;Bus Swamp 1 (Vic.);Casterton 1 (Vic.);Crankshaft 1;Crayfish-A 1;Ladbroke Grove 1;Laira 1;Lake Hawdon 1;Reedy Creek 1;Robertson 1;Sawpit 1;Troas 1
Drillhole Unit No: 7023 04378;7023 04277;7023 04587;6923 03762;6823 00851;7023 04470;7023 04586;6823 01068;6923 03777;7023 01001;7023 04820;6723 00001

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    Language English
    Metadata Standard ISO 19115-3

    Citations

    Use constraints License
    License Creative Commons Attribution 4.0
    Persistent identifier https://pid.sarig.sa.gov.au/document/rb9400033
    Citation Rowett, A.I. 1994. RB 94/00033 Crayfish Group biostratigraphy study. Final report. Departmental Publication - Energy Geoscience. Government of South Australia.
    https://pid.sarig.sa.gov.au/document/rb9400033

    Technical information

    Status
    Maintenance and Update Frequency
    Geographic Reference GDA2020 (EPSG:7844)
    Geo bounding box {"type":"Polygon","coordinates":[[[139,-37.5],[141,-37.5],[141,-37],[139,-37],[139,-37.5]]]}
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