根深蒂固的印度中古石器:印度安得拉邦德拉邦德拉邦德拉邦的Retlapalle的终端中石器石器组合
Devara Anil1, Monika Devi2,3, Gopesh Jha4,5
1Department of Archaeology and Ancient History, Maharaja Sayajirao University of Baroda, Vadodara, India.
PloS one
|August 27, 2024
概括
印度中古石器时代对于了解早期人类行为至关重要,现在可以追溯到安得拉邦的139±17000年前. 这项研究揭示了在中世时期具有弹性的人类工具制造传统.
科学领域:
- 考古学的考古学
- 古人类学古人类学.
- 地质时间学 (Geochronology)
背景情况:
- 印度中古老石器 (MP) 是了解原始人行为和早期智人人的关键.
- 最近的发现表明,MP从中期普世时期的晚期阿丘尔文化中现场出现.
- 印度的MP文化表现出了对多巴超级火山爆发等气候事件的抵御力.
研究的目的:
- 调查来自安德拉邦雷特拉帕尔地区的中古石器时期文物.
- 通过光学刺激发光 (OSL) 测年法来确定带有文物层的年龄.
- 描述石质组合,以了解技术和行为模式.
主要方法:
- 在Retlapalle地区进行现场挖掘和文物回收.
- 沉积层的后红外红外模拟发光 (p-IR-IRSL) 测年.
- 石头工具组合的类型学和技术分析.
主要成果:
- 在Retlapalle的文物承载层被定年为139±17万年前 (ka).
- Retlapalle组装展示了不同的Levallois核心技术,各种修饰的工具,尖的工具和一些刀片.
- 这种约会将该遗址置于中世,扩大了印度此类遗址的已知时间范围.
结论:
- 雷特拉帕尔的发现为印度中代人类的行为提供了关键的新数据.
- 这项研究加强了该地区中古石器时代文化的古老和适应能力.
- 需要进一步的研究,才能充分理解这个未经探索的时期的印度中古石器时期的复杂性.
相关概念视频
The Fossil Record
The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
Non-LTR Retrotransposons
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
Surface Appendages of Archaea
Archaeal surface appendages are highly specialized structures essential for environmental adaptation, encompassing roles in adhesion, biofilm formation, and motility. Among these appendages, pili and archaella stand out for their distinct morphologies and functionalities, enabling archaea to thrive in diverse and often extreme environments.Pili: Adhesion and Biofilm FormationPili are filamentous structures assembled from pilin protein subunits, primarily contributing to adhesion and biofilm...
Diversity of Archaea II
Archaea, one of the three domains of life, exhibit remarkable diversity and adaptability, thriving in both extreme and moderate environments. Historically, most identified archaea have been classified into two major phyla: Euryarchaeota and Crenarchaeota. However, recent molecular studies have expanded this classification to include three additional phyla: Thaumarchaeota, Nanoarchaeota, and Korarchaeota, each exhibiting unique characteristics and ecological roles.Thaumarchaeota: Mesophiles...
Diversity of Archaea III
Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like environments.Morphological...
Diversity of Archaea IV
Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist thermal...


