Dry Creek Sands - Croyden Bore, Adelaide: Late/Upper Miocene, Australia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Arcida - Glycymerididae
Glycymeris (Veletuceta) subradians
Ludbrook 1955
Glycymeris (Tucetona) convexa
Ludbrook 1955
original and current combination Tucetona
Bivalvia - Arcida - Cucullaeidae
Cucullaea corioensis McCoy 1876
Ludbrook 1955
Bivalvia - Arcida - Limopsidae
Limopsis beaumariensis
Ludbrook 1955
Bivalvia - Ostreida - Ostreidae
Ostrea arenicola Tate 1886
Ludbrook 1955
Bivalvia - Ostreida - Pteriidae
Pinctada crassicardia
Ludbrook 1955
Bivalvia - Pectinida - Pectinidae
Chlamys (Chlamys) antiaustralis (Tate 1886)
Ludbrook 1955
Bivalvia - Pectinida - Spondylidae
Spondylus spondyloides
Ludbrook 1955
Bivalvia - Pectinida - Limidae
Lima bassi
Ludbrook 1955
Bivalvia - Carditida - Crassatellidae
Eucrassatella camura
Ludbrook 1955
Bivalvia - Carditida - Carditidae
Pleuromeris subpecten
Ludbrook 1955
Pleuromeris pecten (Tate 1886)
Ludbrook 1955
Bivalvia - Carditida - Condylocardiidae
Cuna polita (Tate 1887)
Ludbrook 1955
Bivalvia - Lucinida - Lucinidae
Divalucina cumingi (Adams and Angas 1863)
Ludbrook 1955
Bivalvia - Pholadida - Corbulidae
Corbula ephamilla Tate 1887
Ludbrook 1955
recombined as Notocorbula ephamilla
Bivalvia - Cardiida - Mactridae
Mactra (Electromactra) howchiniana Tate 1887
Ludbrook 1955
recombined as Electromactra howchiniana
Gastropoda - Naticidae
Polinices (Conuber) balteatella (Tate 1893)
Ludbrook 1958
Gastropoda - Neogastropoda - Mitridae
Mitraria (Eumitra) fodinalis
Ludbrook 1958
Gastropoda - Ranellidae
Charonia (Austrotriton) armata
Ludbrook 1958
see common names

Geography
Country:Australia State/province:South Australia
Coordinates: 34.9° South, 138.6° East (view map)
Paleocoordinates:40.5° South, 137.0° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Miocene
Age range of interval:11.63000 - 5.33300 m.y. ago
Stratigraphy
Formation:Dry Creek Sands
Stratigraphic resolution:formation
Stratigraphy comments: STRATIGRAPHIC RELATIONS: Presumably unconformably underyling Pliocene Hallett Cove Sandstone (Pleistocene-Recent in Fig. 2 of Ludbrook 1954) The Dry Creek Sands are a correlate of the Bookpurnong Fm (Beu and Darragh 2001). THICKNESS: Thickest section in St Vincent Basin, between 395 and ~700 ft, based on Fig. 2 of Ludbrook (1954). AGE: Previously regarded as Pliocene in age (Ludbrook 1954, 1963). However more recent idependent assessments of foraminifera and dinoflagellates (Brown and Stephenson 1991; Macphail and Kellett 1993) and Mollusca (Beu and Darragh 2001) suggest that the lower Dry Creek Sands (greater than 105-115 m) are of Bairnsdalian-Mitchelian age (latest Middle Miocene-early Late Miocene). A Late Miocene age is adopted here = Mitchelian. STRATIGRAPHIC POSITION: Composite list for Dry Creek Sands. From multiple horizons between 395 and ~700 ft in the bore.
Lithology and environment
Primary lithology:fine,shelly/skeletal,gray,white unlithified sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Ligh-grey-silery, fine, sharp sands and clays, with intercalated bands of grey and white limestone; pale-grey shelly sands. LITHIFICATION: Unlithified, possibly occasionally poorly-lithified.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Deposited in a shallow bay or gulf after depression of older strata, submerged during the early Tertiary; sandy bay, protected. Not an estuarine or restricted embayment fauna, so here assigned to a "siliciclastic-coastal indet." environment.
Taphonomy
Modes of preservation:body,original aragonite,original calcite
Size of fossils:macrofossils
Preservation of anatomical detail:excellent
Collection methods and comments
Collection methods:core,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: COLLECTOR: Collected by multiple parties during the irregular construction of bores within the vicinity of Adelaide. Reported on by previous authors including Tate (1890, 1898), Tate and Dennant (1896), Hall and Pritchard (1902), Howchin (1914, 1928) and Chapman (1916). These authors reported piecemeal this fauna, while Ludbrook (1954-1956) presents more detailed taxonomy and thorough covereage of all bores. REPOSITORY: Most material reposited in Tate Collection, University of Adelaide, while some is preserved in the MNHM in Paris and BMNH.
Taxonomic list comments:COVERAGE: Exhaustive for molluscan groups. No other taxa specifically listed. NOMENCLATURE: Authoritative series of publications, but with rather oudated nomenclature. This is remedied by revisions of Australian Mollusca by Darragh (1970), and various publications by Darragh (post 1970).
Metadata
Also known as:Bore 51
Database number:63438
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2006-08-15 02:19:44 Last modified:2013-11-25 13:37:23
Access level:the public Released:2006-08-15 02:19:44
Creative Commons license:CC BY
Reference information

Primary reference:
18250. N.H. Ludbrook. 1953. The molluscan fauna of the Pliocene strata underlying the Adelaide Plains. Part 1. Transactions of the Royal Society of South Australia 77:42-64 [A. Miller/A. Hendy/A. Hendy]

Secondary references:

18251 N.H. Ludbrook. 1955. The molluscan fauna of the Pliocene strata underlying the Adelaide Plains. Part II - Pelecypoda. Transactions of the Royal Society of South Australia 78:18-87 [A. Miller/A. Hendy]
18296 N.H. Ludbrook. 1958. The molluscan fauna of the Pliocene strata underlying the Adelaide Plains. Part V - Gastropoda (Eratoidae to Scaphandridae). Transactions of the Royal Society of South Australia 81:43-111 [A. Miller/A. Hendy]