自然因素和人为因素在古巴中部“拉斯拉纳达斯”化石矿床古生物遗迹的不同保存中作为埋藏学因素

IF 0.2 Q4 ZOOLOGY NOVITATES CARIBAEA Pub Date : 2019-01-23 DOI:10.33800/NC.V0I13.194
J. Martínez-López
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引用次数: 3

摘要

介绍了对古巴Sancti Spíritus的脊椎动物化石沉积物“Las Llanadas”进行的分类分析结果。通过沉积特征,结合研究区地质构造,分析矿床成因。所代表的化石矿床类型是根据几位作者为古巴提出的分类确定的。研究人员分析了新近材料与化石和亚化石材料之间的差异保存,并考虑了地层蚀变的机制,这些机制被确定为提取的遗骸所经历的特定生物层组学和化石成岩过程的直接证据。讨论了造成该矿床当前成藏特征的人为因素和自然因素。在上个世纪,对该遗址进行古生物学干预的历史重建,是了解当前化石组合特征的重要因素。
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Natural and anthropogenic factors as taphonomic agents in the differential preservation of paleontological remains from the fossil deposit “Las Llanadas”, Central Cuba
The results of a taphonomic analysis carried out on the vertebrate fossil deposit “Las Llanadas”, Sancti Spíritus, Cuba, are presented. The origin of the deposit is analyzed through features of the accumulated sediments, combined with the geological structure of the study area. The type of fossiliferous deposit represented was determined according to the categorizations proposed for Cuba by several authors. Differential preservation registered, between the recent material and the fossil and subfossil material, was analyzed by considering the mechanisms of taphonomic alteration identified as direct evidence of specific biostratinomic and fossildiagenetic processes to which the extracted remains were subjected. Anthropogenic and natural factors are discussed as responsible for the current accumulation features of the deposit. The historical reconstruction of the paleontological interventions on the site, during the last century, had been an important element to understand the features of the current fossil assemblage.
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来源期刊
自引率
25.00%
发文量
27
审稿时长
12 weeks
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