巴西洞穴沉积中保存的第四纪化石群的堆积史

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-09-19 DOI:10.1016/j.jsames.2024.105168

Lucas Henrique Medeiros da Silva Trifilio , Hermínio Ismael de Araújo Júnior , Kleberson de Oliveira Porpino

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引用次数: 0

摘要

对巴西五个洞穴沉积物的陶化史进行了解读，重点是堆积和陶化模式。这些洞穴（Complexo Suíço、F3、Toca das Onças、Lapa dos Peixes 和 Gruna das Três Cobras）显示了通过夹带、遮蔽和水运积累遗骸的证据。聚类分析显示，不规则断裂和低度风化是主要的岩石学模式，同时缺乏腐蚀和磨损。因子分析还表明，结壳在区分不同沉积物方面发挥了重要作用。F3、Toca das Onças、Lapa dos Peixes 和 Gruna das Três Cobras 洞穴中的遗骸经历了类似的保存条件，包括再加工造成的破碎、岩块坍塌、暴露于酸化雨水、水载沉积物造成的结壳和磨损，以及蝙蝠粪便和酸化水造成的腐蚀。

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Taphonomic histories of Quaternary fossil accumulations preserved in Brazilian cave deposits

The taphonomic histories of five cave deposits in Brazil were interpreted, focusing on the accumulation and taphonomic modes. These caves, Complexo Suíço, F3, Toca das Onças, Lapa dos Peixes and Gruna das Três Cobras, show evidence of remains being accumulated through entrapping, sheltering, and water transportation. Cluster Analysis revealed a predominance of irregular breaks and low stages of weathering as the primary taphonomic mode, along with lack of corrosion and abrasion. Factor Analysis also indicated that incrustation played a major role in distinguishing between the deposits. The remains in F3, Toca das Onças, Lapa dos Peixes, and Gruna das Três Cobras caves experienced similar preservation conditions, including fragmentation from reworking, block collapses, exposure to acidified rainwater, incrustation and abrasion from water-borne sediments, and corrosion due to bat guano and acidified water.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.