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Wednesday, October 20, 2021

Bandarawellian Culture: Open-air sites of the Church Hills of Bandarawela

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Nimal Perera
H. Nimal Perera (born December 1953) received his degree in Archaeology, Geography and Political Science (BA University of Peradeniya 1979) and went on to postgraduate studies in Archaeology at the Postgraduate and Research Institute of the University of Pune, India, in which he passed the M.A examination in Archaeology with a First Class (1992). He joined the Archaeological Department of the Government of Sri Lankan in 1982 as a Technical Assistant in the Excavations Branch which is in charge of scientific excavations throughout the country. Thereafter he worked under the tutelage of Dr Siran Deraniyagala and steadily progressed up to the position of Assistant Director (Excavations) of the Archaeological Department. Nimal Perera’s functioning in the latter capacity was primarily research orientated with emphasis on Sri Lanka’s prehistoric period (beyond 1000 BC) while pioneering in its protohistoric ( 1000-500 BC) and early historic (500 BC -300AD) archaeology as well. He successfully completed his PhD (Australian National University) in 2007. This dissertation constitutes a vital step in the execution of Stage V of the long-term research design for prehistory launched by the Archaeological Department. This work investigates the island’s hunter-gatherer archaeology between the Late Pleistocene and the mid-Holocene, with lowland Wet Zone rockshelters as the principle topic of study. It synthesises past and current archaeological research in the island as well as presenting new findings from excavations in the Batadomba-lena rockshelter and the open-air site of Bellan-bandi Palassa. The excavation of Batadomba-lena has provided fresh data for understanding human adaptations to the changing environment between approximately 36,000 and 12,000 years ago. Notably, it has demonstrated that a rainforest environment persisted throughout this period in the environs of the site; that the climate was cooler at around the Last Glacial Maximum; and that intensive occupation, succeeded by increased attention to the management of plant resources, followed the Last Glacial Maximum. Nimal Perera has directed a number of excavations in late Pleistocene-early Holocene rock shelters and open air sites where he pioneered application of geoarchaeological and bioarchaeological methods. He has authored the most up-to-date overview of the island’s prehistory. He is the national expert on lithics analysis and has collaborated successfully with other prehistorians, both national and international, in several research projects in Sri Lanka. While Nimal Perera’s research continues on the lines set out above as Assistant Director for research excavations (2000 to present) of the Archaeological Department, he has served as the Acting Deputy Director-General of Archaeology of Sri Lanka since the year 2008.

A large number of open-air sites are located on the hilltops and saddles in the dry patana grasslands indicating the Terminal Pleistocene / Early Holocene microlithic phase extending into the intermediate upland Dry Zone (Zone E). Indeed the Bandarawela region is one the best-studied areas in terms of revealing the traces of Sri Lanka’s so-called Bandarawellian Culture in open-air contexts. The archaeologically richest locality for these sites is behind the present Anglican church on the Bandarawela – Welimada road. These sites were first discovered by the Sarasin brothers, two Swiss anthropologists in 1907 and secured a surface collection of stone artifacts from the hill sites around the present Anglican Church. These prehistoric sites were subsequently investigated by Seligmann‘s in 1908 prior to being excavated by Hartley in 1913 and 1914. The excavation produced a remarkably large sample of “worked” implements totaling 4,768 specimens. The “non-worked” artifacts were discorded. Hartley then proceeded to create the first formal lithic typology for Lanka’s Stone Age, employing his total sample of excavated “worked” tools as well as the surface finds for this purpose (Deraniyagala 1992). In his stone typology, Harley focused attention on the typological affinities between the microliths, which he termed “ a pigmy” of Lanka and elsewhere in the world (Harley 1913) Especially a “ pigmy” comprised a small flake with its form altered by blunting retouch; hence it did not necessarily signify a geometric microlith, although he does state that the most common type is the backed lunate, He assigns these “pigmies” to a status typologically intermediate between that of western Europe and he does not appear to have appear to have been aware o the term “Mesolothic” which he might otherwise have adopted. The Church Hill site was reinvestigated by H.A. and H.V. Noone in 1940. The occurrence of geometric microlithic promoted to designate the site Mesolithic (syn. Bandarwellian Culture, Balangoda Culture, Late Stone Age, Microlithic phase ).

Bandarawellian Culture Sarasin brothers
Sarasin brothers
Bandarawellian Culture Charles Hartley
Charles Hartley Credit: https://royalcollege.lk/history/founders-headmasters-and-principals/

 

During 1938-39 E.C. Worman, Jr., a postgraduate student at Harward University also described the microlithic assemblages from Bandarewela church hill as being Mesolithic. He was probably employing typological criteria, namely the presence of geometric forms as the basis of his reasoning (Deraniyagala 1992).

Bandarawellian Culture: Hartley’s excavation findings

Bandarawellian-Culture-Hartley-Report
Table of pygmy elements (Hartley, 1914)
Bandarawellian-Culture-Hartley-Report-pygmy-elements
Sketches of pygmy elements found (Hartley, 1914)

Hartley’s excavation left several questions concerning the stratigraphy and chronology of the site unanswered. With a view to filling this lacuna, surface sampling and a limited excavation were undertaken from 8th of February until 3ith of April in 1994 at a location adjoining the present Meteorological Department bungalow where the surface scatters was observed to be dense.

The site was set out on a grid of 30m x 30m, with a sub-grid of 1- meter squares, and was excavated stratigraphically down to bedrock. The archaeological deposit averaged ca.50 cm in thickness. It comprised a lag deposit of gravels overlying decaying bedrock sealed by a collovial loam. Selected soil samples were subjected to flotation to retrieve charcoal for radiocarbon dating. Five samples were dated Beta at Beta Analytic Florida,(Table 1).

Calibrated radiocarbon dates from the excavation at Bandarawela church hill

Table 1. Calibrated radiocarbon dates from the excavation at Bandarawela church hill. The samples are bulk radiocarbon measurements made on charcoal. All samples have been calibrated using the OxCal 4.4 software and the IntCal 20 calibration curve by the present author in 2021.

Sample Macro-context Lab. Code Material Conventional (BP) Calibrated (cal. Years BP) (OxCal 4.4, IntCal20)
BCH94/NW24(2) 1V Beta-75027 Charcoal 2950 ± 70 3340-2886 BP
BCH94/NW/22/(4) 1V Beta-75024 Charcoal 3520 ± 60 3976-3638 BP
BCH94/NW/22(3) 111 Beta-75023 Charcoal 3780 ± 60 4404-2931 BP
BCH94/NW/22(7) 111 Beta-75026 Charcoal 4510 ± 90 5446-4870 BP
BCH94/NW/22(5) 111 Beta-75025 Charcoal 6380 ± 80 7468-7081 BP

 

  The typical stratigraphic sequence from the surface downwards was as follows:

Macro-context V: Present land surface with dry patana grass and lag deposits of artifacts ranging from recent to prehistoric. Heavy concentrations of stone artifacts in places.

Micro-context 1V: Recent colluvium, ca.3-20 cm thick, comprising a brown loam of sandy silt with artifacts ranging from recent (eg, glass) to Mesolithic stone tools. The compaction was medium–loose. The texture of this deposit appears to be the result of sorting by worm action. The density of artifacts within this stratum was low, compared to the underlying macro-stratum 111. Two radiocarbon dates of ca. 3976 and-3638 cal BP have been obtained for this deposit.

Macro-context111: A lag deposit of light brown silty sandy gravels, ca.10-25 cm thick, with somewhat looser compaction than stratum 1V due to its gravelly texture. The gravel included numerous ironstone nodules (which are the product of pedogenic processes). Mesolithic artifacts were observed to occur in greater profusion than in context 1V. They were present throughout this stratum, with the heaviest concentration occurring in its uppermost horizon which has been radiocarbon dated to ca. 4404-2931  cal BP. The artifact density decreased with depth. Charcoal from an intermediate horizon has a date of ca. 5446-4870 cal BP, while the lowermost horizon, representing the interface with the ancient ground surface of decayed bed-rock, has been dated to 7081 to 7468 cal BC.

Macro-context 11:Ancient land surface. Artifacts occurring on it are assumed to derive from stratum 111.

Macro-stratum 1. The upper levels represent the “B” soil horizon of Red-Yellow Podzol. It is ca. 5-15 cm thick and light reddish yellow in colour. This phases downloads into a pale “C” horizon of unknown depth.

The stone artifacts have been classified according to the system formulated by S.U. Deraniyagala in 1988 which is published in Memoir volume 8 of this Department entitled The Prehistory of Sri Lanka. The industry is characterized by geometric and back microliths. Hence, it may be assigned to the microlithic phase of Sri Lanka. The radiocarbon dates indicate that the site was occupied between 7468- 2886 cal BC.

In summary, open-air site of Bandarwela is highly distinguished by the presence of prehistoric habitation deposits dated back to the Late Holocene hunter-gatherer occupation. There are likely to be hundreds of Stone Age sites associated with lag deposits as suggested by the results of the excavation in 1994. In view of the rapid development that is currently taking place in the vicinity of the open-air prehistoric site of Bandarawela, it would be highly desirable to protect the site for the future generation as matter of urgency. A  discrete research programme is required to investigate the Bandarawela church hill sites systematically. Their potential is considerable: research on hunter-gatherer-archaeology in central high land continues to be an uncharted field and in addressing major issues in South Asian prehistory.

Dr. Nimal Perera
Former Deputy Director-General, Department of Archaeology

Cover image: Saman Eregama

Selected Bibliography

Deraniyagala, S.U. 1988. The Prehistory of Sri Lanka: an Ecological Perspective, 1st ed. PhD dissertation, Harvard University. Ann Arbor, Michigan: University Microfilms, publ. no. 8820579.

Deraniyagala, S.U. 1992. The Prehistory of Sri Lanka: an Ecological Perspective, 2nd ed. Colombo: Archaeological Department of Sri Lanka.

Deraniyagala, S.U. 1994. Administration Report of the Director-General of the Department of Archaeology for 1994.Colombo: Sri Lanka Government.

Hartley, C. 1913. The stone implements of Ceylon. Spolia Zeylanica 9(34):117-23.

Hartley, C. 1914. The Occurrence of pygmy implements in Ceylon. Spolia Zeylanica 10(34):54-67.

Noone, H.V.V. 1945. Stone Age relics at Bandarawela. Loris 4: 263-66.

Noone, N.A and H.V.V. Noone 1940. The stone implements of Bandarawela (Ceylon). Ceylon Journal of Science (G) 3: 1-24.

Perera, H.N. 2010. Prehistoric Sri  Lanka: Late Pleistocene Rockshelters and an Open-Air Site. British Archaeological Report  (international series) 2142. Oxford: Archaeopress.

Perera, H.N, N. Kourampas, I.A. Simpson, S.U. Deraniyagala D. Bulbeck, J. Kamminga et al. 2011. People of the ancient rainforest: Late Pleistocence foragers at the Batadomba-lena rockshelter, Sri Lanka. Journal of Human Evolution 61: 254-269

Seligmann, C.G and B.Z. Seligmann. 1911. The Veddas. Cambridge University Press.

 

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