Affad 23
Basic information
Sample name: Affad 23
Reference: M. Osypinska and P. Osypinski. 2016. Animal exploitation and behaviour of the latest Middle Stone Age societies in the Middle Nile Valley: archaeozoological and taphonomic analysis of Late Pleistocene fauna from the Affad Basin, Sudan. African Archaeological Review 33:107-127 [ER 3094]
Geography
Country: Sudan
Coordinate: 18° 5' N, 31° 15' E
Coordinate basis: estimated from map
Time interval: Late Pleistocene
Max Ma: 0.0159
Min Ma: 0.0151
Age basis: OSL
Geography comments: shown on a map at a point roughly in between Al Dabbah (18º 3' N, 30º 57' E) and Korti (18º 7' N, 31º 33' E) on the Nile River
there are two OSL dates of 15.9 +/- 1.75 ka and 15.1 +/- 1.66 ka, with an OSL date of 21.1 +/- 2.32 ka for an underlying calcareous silt
there are two OSL dates of 15.9 +/- 1.75 ka and 15.1 +/- 1.66 ka, with an OSL date of 21.1 +/- 2.32 ka for an underlying calcareous silt
Environment
Lithology: sandstone
Taphonomic context: fluvial deposit,human accumulation
Archaeology: stone tools
Habitat comments: "sand and silt units... Sand bar or channel bank beach was a place of human seasonal settlement" and accumulation is inferred to have been by hunting
Levallois lithics are present
Levallois lithics are present
Methods
Life forms: primates,rodents,ungulates,lizards,fishes
Sampling methods: quarry,screenwash
Sample size: 985 specimens
Years: 2012 - 2014
Sampling comments: "the excavated sediments were screened (2-mm mesh size)"
numerous indeterminate remains are also listed
numerous indeterminate remains are also listed
Metadata
Sample number: 3373
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-08-27 13:52:49
Modified: 2023-02-24 12:13:56
Abundance distribution
10 species
1 singleton
total count 985
extrapolated richness: 12.5
Fisher's α: 1.549
geometric series k: 0.4897
Hurlbert's PIE: 0.5532
Shannon's H: 1.1262
Good's u: 0.9990
Each square represents a species. Square sizes are proportional to counts.
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Register
| Chlorocebus sp. | 126 | |
| Thryonomys swinderianus | 14 | 5.2 kg |
| Hippopotamus amphibius | 186 | 1107 kg grazer |
| Madoqua saltiana | 12 | |
| Ourebia ourebi | 15 | 14 kg grazer-browser |
| Redunca redunca | 6 | 44 kg grazer |
| Kobus sp. | 618 | |
| Syncerus caffer | 3 | 548 kg grazer-browser |
| Varanus niloticus | 4 | |
| Clariidae indet. | 1 |