Ohalo

Ohalo

Ohalo is the common designation for the archaeological site Ohalo II, which is located near the Sea of Galilee in modern day Israel, and one of the best preserved hunter-gatherer archaeological sites of the Last Glacial Maximum, having been radiocarbon dated to around 19,400 BP.[1] The site is significant because of the numerous fruit and cereal grain remains preserved therein, (intact ancient plant remains being exceedingly rare finds due to their quick decomposition).

Location of Israel
Satellite image of the Sea of Galilee

Contents

Description and history of the Ohalo II site

Ohalo II is the name given to the archaeological site located on the southwest shore of the Sea of Galilee in Israel’s Rift Valley.[2] The site consists of the remains of six charcoal rings where brushwood dwellings had been during the upper paleolithic.[3][4] The huts are oval in shape and average between 9 and 16 feet long. They were simple in design, were constructed of tree branches and brushwood, and "probably only took a few hours to make."[4] Hearths were located outside the huts.

In additions to the huts, the site also contains a grave and an area that was probably used as a refuse dump.[4] The site is littered with a treasure trove of artifacts, including flints, animal bones, and remnants of fruit and cereal grains. Hundreds of species of birds, fish, fruits, vegetables, cereal grains, and large animals have been identified at the site.[4] These finds have greatly expanded our knowledge of the Upper Paleolithic hunting and gathering practices.

At the time hunter-gatherers settled down at Ohalo II, the Sea of Galilee was newly formed and may have been attractive to many bands of people.[5] After Ohalo II had been occupied for a relatively short amount of time, probably only a few generations, the village burned to the ground.[3] Whether the burning was intentional or accidental is unknown. But what may have been tragic for its ancient inhabitants turned out to be a boon for archaeologists: at the same time as the village was destroyed, water levels at the Sea of Galilee rose and buried the site. Fortunately,

...calm, relatively deep water covered the site, and the immediate deposition of fine clay and silt layers began. Together, the water sediments sealed the site and protected the remains in situ for millennia. Since then, the rate of decomposition has been extremely low in the submerged anaerobic conditions and the preservation of organic material has been excellent.[5]

This submersion (likely in combination with the charring) slowed the growth of bacteria in organic plant remains, preventing their destruction and preserving them through millennia on the lake bottom.[4] It is possible that the rise in sea level that made preservation possible at Ohalo II was either caused by increase in global temperature at the end of the Ice Age or by an earthquake that changed the course of the water flowing into the Sea of Galilee.[4] The site was discovered in 1989, when an extended drought caused a 9 meter drop in water levels in the Sea of Galilee.

Excavation at Ohalo II

Dani Nadel of Haifa University excavated Ohalo II in 1989 during the first drought induced drop in water levels at the Sea of Galilee.[6] However, when the drought abated and waters of the Sea of Galilee rose, the site became inaccessible, and work at Ohalo was halted for 10 years, until the water receded again 1999.[7] The Israeli Antiquities Authority organized the excavations on Ohalo II, which continued when sea levels permitted.[6] The two main excavations at Ohalo II occurred from 1989 to 1991 and from 1999 to 2000.

The site spanned 2000 square meters,[4] and revealed unusually well-preserved material.[8] In addition to rare organic matter found, archaeologists also discovered the remains of several small dwellings, hearths outside the dwellings, a human burial, and stone tools.[6] The excavation of Ohalo II revealed three surprises: organic material that had been well preserved for thousands of years, clues concerning how people thrived during one of the coldest time periods in history, and one of the first evidence of bedding in human history.[5] It is possible that the site is larger than the area that has been excavated, but unless sea levels continue to drop, archaeologists will not be able to investigate the full range of the site.

Organic remains at Ohalo II

Archeologists have conducted an exhaustive study of Hut 1 at Ohalo II; this hut yielded over 90,000 seeds. The seeds account for more than 100 species of wild barley and fruits. Such a high concentration of seeds in the hut makes it highly unlikely that they were accidentally deposited into the hut via natural forces such as wind. In addition, statistical analysis demonstrates that the concentration of plant matter was significantly higher around the walls than the center. Had the seeds been deposited by the collapsed roof, they would have evenly scattered on the ground. Furthermore, just 13 species of fruit and cereal make up about half of the total number of seeds found in the area; these include brome grains (Bromus pseudobrachystachys), wild barley (Hordeum spontaneum) and millet grass grains (Piptatherum holciforme), just to name a few. This suggests a marked preference of certain species of edible plants. A seed of particular interest comes from the Rubus fruit, which was fragile, difficult to transport, and preferably eaten immediately after collection. The presence of Rubus seeds at the Ohalo II site could indicate that the seeds were dried in the sun or by the fire for storage: early evidence for advanced planning of plant food consumption. Most importantly, the extremely high concentration of seeds clustering around the grinding stone in the northern wall of Hut 1 led Ehud Weiss, an archeologist, to believe that humans at Ohalo II processed the grain before consumption. The exact spatial distribution of the seed around a grinding stone further indicates extensive preparation. The seeds were scattered in a U-shape around the grinding stone, Weiss hypothesized that a woman was squatting at the open end of the U, and actively distributing the seeds all around her while grinding.[9]

Non-organic findings at Ohalo II

Grinding stone in Hut 1

There is significant evidence to suggest that the center of activity for the inhabitants of Hut 1 was along the northern wall where the 40 cm long trapezoidal stone laid. It appears that someone attempted to embed the stone deep into the ground. The inhabitants of Ohalo II brought sand to provide a base beneath the grinding stone and small cobbles to provide additional support. A starch grain study was conducted and grain remains were found on the grinding stone surface. This supports the theory that it was indeed for grinding purposes.[10] However, comparative ethnographic evidence from hunter-gatherer groups in Africa and Australia [11] suggests that the grinding stones could also have been used for flint-tool manufacturing, pounding of ochre and bones, or cracking of eggs and nuts.[12]

Flint tools

An example of flint

The flint tools in Ohalo II are highly varied, they represent all stages of core reduction and are distributed in a pattern. Bladelets form a large percentage of the debris in hut I, which also include blades, flakes, primary elements, core trimming elements, and cores. There are 132 retouched tools, which are modified versions of stone flakes. A fairly large concentration of minute bladelets and flakes, along with other angular and fire-cracked fragments were found in the southern area, particularly around the entrance of Hut 1. There were also heavy cores and primary elements found in that vicinity. It is probable that individuals conducted flint-knapping near the entrance by the light from the door.

Spatial distribution and possible gender role implications

The concentration of flint material in the entrance area contrasts with plant material concentration and grinding stone placement in other parts of the hut, suggesting a distinct separation in activity space for food-preparation and tool-making. It is likely that there was a deliberate division of space within the hut. However it is also possible that these two activities were not absolutely restricted to their respective areas. Spatial separation may suggest gender division between the tasks. However, it is not clear whether or not this was the case. While there is a tendency in many societies for females to handle food-preparation and males to engage in flint-knapping, there are exceptions to this rule and cultural variability is high.[9] It is possible that the separation of the tasks occurred for practical reasons such as food hygiene, not because of an intentional gender division.

External links

References

  1. ^ Mithen, Steven (2006). After the ice : a global human history, 20.000 - 5.000 BC (1. paperback ed. ed.). Cambridge, Mass.: Harvard Univ. Press. pp. 517. ISBN 0674015703. 
  2. ^ Hirst, K. Archaeology. Ohalo II (Israel). Retrieved from http://archaeology.about.com/od/oterms/qt/ohalo_ii.htm
  3. ^ a b Mithen, Steven (2006). After the ice : a global human history, 20.000 - 5.000 BC (1. paperback ed. ed.). Cambridge, Mass.: Harvard Univ. Press. pp. 20. ISBN 0674015703. 
  4. ^ a b c d e f g Krause, L. (2001). Galilee’s Receding Waters Reveal Stone Age Camp. National Geographic. 1-4. Retrieved from http://news.nationalgeographic.com/news/2001/01/0102galilee.html
  5. ^ a b c Nadel, D., Weiss, E., Simchoni, O., Tsatskin, A., Danin, A., Kislev, M. (2004) From the Cover: Stone Age Hut in Israel Yields World’s Oldest Evidence of Bedding. The National Academy of Sciences.101, 6821
  6. ^ a b c Powell, A. (2004, July). Harvard Researchers Push Human Cereal Use Back 10,000 Years. Retrieved from http://news.harvard.edu/gazette/2004/07.22/07-grain.html
  7. ^ Mithen, Steven (2006). After the ice : a global human history, 20.000 - 5.000 BC (1. paperback ed. ed.). Cambridge, Mass.: Harvard Univ. Press. pp. 21, 22. ISBN 0674015703. 
  8. ^ Nadal, D. Hecht Museum. Ohalo II: A 23,000-Year-Old Fisher-Hunter-Gatherers’ Camp on the Shore of the Sea of Galilee. Retrieved from http://mushecht.haifa.ac.il/hecht/print/printExhibionc_eng.aspx?id=7
  9. ^ a b Compiled largely with reference to: Weiss, E., Mordechai, E., Simchoni, O., Nadel, D., & Tschauner, H. (2008). Plant-food preparation area on an Upper Paleolithic brush hut floor at Ohalo II, Israel. Journal of Archaeological Science , 35 (8), 2400-2414.
  10. ^ Piperno, D.R., Weiss, E., Holst, I., Nadel, D. (2004) Starch grains on a ground stone implement document Upper Paleolithic wild cereal processing at Ohalo II, Israel, Nature
  11. ^ McCarthy, F.A. (1946) The Stone Implements of Australia, Australian Museum Memoir 9
  12. ^ Kraybill, N. (1999) Pre-agricultural tools for the preparation of foods in the Old World. Prehistory of Agriculture, New Experimental and Ethnographic Approaches, Institute of Archaeology, University of California, Los Angeles, 489–519

Coordinates: 32°43′20″N 35°34′20″E / 32.722093°N 35.572143°E / 32.722093; 35.572143


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