Widgingarri Rockshelter 2 (Upper Shell Unit B)
Basic information
Sample name: Widgingarri Rockshelter 2 (Upper Shell Unit B)

Reference: S. O'Connor. 1999. 30 000 years of Aboriginal occupation: Kimberley, north west Australia. Terra Australis 14 51-92 [ER 3700]
Geography
Country: Australia

State: Western Australia


Coordinate: 15° 48' S, 124° 24' E
Coordinate basis: estimated from map

Time interval: Holocene

Section: 3700

Unit number: 2

Unit order: below to above

Max Ma: 0.00497

Min Ma: 0.00151

Age basis: radiocarbon (uncalibrated)

Geography comments: The Widgingarri Rockshelters are located in the Kimberley region of northern Western Australia, near the coast to the north-west of Doubtful Bay, and north of Lizard Island.
Dates for the Upper Shell Horizon Unit B of Widgingarri Rockshelter 2 range from 4970 ± 60 BP to 1510 ± 50 BP.

Environment
Lithology: not described

Taphonomic context: human accumulation,rock shelter

Archaeology: stone tools,other artifacts

Habitat comments: "Widgingarri Shelter 2 is 18 m long, 8 m deep and 1.5 m high at maximum above the present surface of the deposit".
Sediments were loose, sandy and rich in organic material to a depth of 30-35 cm, becoming redder in colour and more consolidated from Spit 4 onwards.
"Shells were concentrated in a lens in Spit 7 some 29-35 cm below the surface, decreasing rapidly below this".
"A total of 1769 stone artefacts were recovered from the excavation at Shelter 2", including points, flakes, etc.

Methods
Life forms: rodents,other large mammals,other small mammals,birds,lizards,snakes,fishes

Sampling methods: quarry,screenwash

Sample size: 147 specimens

Sampling comments: "The excavation of Shelter 2 was limited to two adjacent 1 x 1 m squares, labelled Squares B and C. Excavation was discontinued when bedrock was reached at depths of 100-108 cm below the surface".
Material was sieved using both 3 mm and 6 mm mesh.

Metadata
Sample number: 3895

Contributor: Benjamin Carter

Enterer: Benjamin Carter

Created: 2022-02-18 13:12:12

Modified: 2023-04-29 06:00:03

Abundance distribution
10 species
5 singletons
total count 147
geometric series index: 27.9
Fisher's α: 2.427
geometric series k: 0.5869
Hurlbert's PIE: 0.3077
Shannon's H: 0.7503
Good's u: 0.9662
Each square represents a species. Square sizes are proportional to counts.
Register
Osphranter robustus114 kg
"Macropus robustus"
Notamacropus agilis214 kg browser-grazer
"Macropus agilis"
Petrogale brachyotis2
Petrogale concinna1
also 36 Macropodidae indet.
Peramelidae indet.1
Muridae indet.1
Serpentes indet.14
Scincidae indet.3
also 1 "Lizard" indet.
Aves indet.1
Fish indet.121