Drawing fossils

M. Genge
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Abstract

Fossils record the evolution of life on Earth and are crucial in the dating of sedimentary rocks through biostratigraphy. This chapter examines the methods used to record the taxonomy and sedimentological context of fossils within field sketches. The taxonomy and geological range of important fossil groups are described as well as their occurrence within sediments. Blocking-in sketches accurately is particularly important when drawing fossils since their quasi-regular shapes can lead to drawings that are overly schematic. Small-scale morphological features are often important in the interpretation of fossils. Four worked examples of sketches of fossils are given together with descriptions of their interpretation to illustrate techniques to record palaeontological specimens.
画化石
化石记录了地球上生命的进化,在通过生物地层学确定沉积岩的年代方面至关重要。本章探讨了在野外速写中记录化石的分类学和沉积学背景的方法。描述了重要化石群的分类和地质范围,以及它们在沉积物中的分布。在绘制化石时,精确地绘制草图尤为重要,因为它们的准规则形状可能导致绘图过于简图化。小尺度形态特征在化石解释中往往很重要。本文给出了四个化石草图的工作实例,并说明了它们的解释,以说明记录古生物标本的技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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