首页> 外文期刊>Journal of arid environments >Domestic firing activities and fuel consumption in a Saharan oasis: Micromorphological and archaeobotanical evidence from the Garamantian site of Fewet (Central Sahar4, SW Libya)
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Domestic firing activities and fuel consumption in a Saharan oasis: Micromorphological and archaeobotanical evidence from the Garamantian site of Fewet (Central Sahar4, SW Libya)

机译:撒哈拉沙漠绿洲中的国内射击活动和燃料消耗:来自Fewet的Garamantian遗址的微形态学和古植物学证据(利比亚西南萨哈尔4)

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We describe a combined geoarchaeological and archaeobotanical approach applied to the study of firing activities that have been carried out at Fewet, a Garamantian compound in the Central Sahara (Libya), between the 3rd century BC and the 1St century AD. The archaeological stratigraphy of the site has been sealed by several mud-brick wall collapses, preserving an interesting sequence of living floors, whose micromorphological study is unique for the Central Sahara. This investigation together with the mineralogical analysis of sediments, confirms the field attribution of archaeological features as domestic fireplaces, and identified the living floors as areas devoted to animal penning, probably subjected to periodical firing. The investigation also highlights an exceptional concentration of gypsum pedofeatures, presumably determined by the wood type selected for fuel. The archaeobotanical study identified a good quantity of charcoal and other plant remains in the same layers. Most of the charcoal has been identified as Central Tamarix, which is the most common tree living in the oasis today. This suggests that tamarisk wood was the most exploited tree for fuel, and its combustion led to the dispersion of gypsum from the plant tissue, later recrystallized in the shape of microcrystalline nodules, lenses, and euhedral crystals. (C) 2017 Elsevier Ltd. All rights reserved.
机译:我们描述了一种结合了地质考古和考古植物学方法的方法,用于研究在公元前3世纪至公元1世纪之间在中撒哈拉(利比亚)的Garamantian基地Fewet进行的射击活动。该地点的考古地层被数个泥砖壁坍塌所封闭,保留了一系列有趣的生活地板,其微观形态学研究在撒哈拉中部地区是独一无二的。这项调查与沉积物的矿物学分析一起,确认了考古特征(如家用壁炉)在野外的归属,并将活动地板确定为专门用于动物围栏的区域,可能会定期进行射击。调查还强调了石膏的特征浓度异常高,大概是由选择用于燃料的木材类型决定的。考古植物学研究发现,同一层中有大量木炭和其他植物残骸。大部分木炭已被确定为中Ta柳,这是当今绿洲中最常见的树木。这表明柳木是最被利用的燃料树,其燃烧导致石膏从植物组织中扩散出来,随后再结晶成微晶状结节,晶状体和真面状晶体。 (C)2017 Elsevier Ltd.保留所有权利。

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