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Titlebook: Early Life on Earth; A Practical Guide David Wacey Book 2009 Springer Science+Business Media B.V. 2009 Archean.Biosignatures.Early Life.Mic

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發(fā)表于 2025-3-21 17:02:30 | 只看該作者 |倒序瀏覽 |閱讀模式
書目名稱Early Life on Earth
副標題A Practical Guide
編輯David Wacey
視頻videohttp://file.papertrans.cn/301/300755/300755.mp4
概述The main aim is to draw attention to the remarkable number of highly interesting candidate structures in the quest to decode the earliest evidence for life on Earth.Will cover the Victorian Eozoon con
叢書名稱Topics in Geobiology
圖書封面Titlebook: Early Life on Earth; A Practical Guide David Wacey Book 2009 Springer Science+Business Media B.V. 2009 Archean.Biosignatures.Early Life.Mic
描述.When did life first appear on Earth and what form did it take? The answer to this intriguing and fundamentally important question lies somewhere within the early Archean rock record. The young Earth was, however, a very different place to that we know today and numerous pitfalls await our interpretation of these most ancient rocks...The first half of this practical guide equips the reader with the background knowledge to successfully evaluate new potentially biological finds from the Archean rock record. Successive steps are covered, from locating promising samples in the field, through standard petrography and evaluation of antiquity and biogenicity criteria, to the latest state of the art geochemical techniques. The second half of the guide uniquely brings together all the materials that have been claimed to comprise the earliest fossil record into an easily accessible, fully illustrated format...This will be a handbook that every Archean geologist, palaeobiologist and astrobiologist will wish to have in their backpack or on their lab-bench..
出版日期Book 2009
關鍵詞Archean; Biosignatures; Early Life; Microfossils; carbon; earth; tree
版次1
doihttps://doi.org/10.1007/978-1-4020-9389-0
isbn_softcover978-94-007-8933-3
isbn_ebook978-1-4020-9389-0Series ISSN 0275-0120
issn_series 0275-0120
copyrightSpringer Science+Business Media B.V. 2009
The information of publication is updating

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The Difficulties of Decoding Early Lifetrace fossils indicative of life, and/or chemical trace fossils indicative of biological metabolisms. This sounds relatively straightforward, but several difficulties plague these investigations. A sound understanding of these difficulties is necessary to prevent much frustration both in the field a
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Establishing the Criteria for Early Life on Earthended to be too much reliance upon evidence that is ‘consistent with’ microbes, without falsifying or rejecting (. Popper, 1959) other possible non-biological scenarios that may likewise be consistent. We have tended to ask ‘what do these structures remind us of’, rather than ‘what are these structu
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Fulfilling the Criteria for Early Life on Earthmultiple, . and mutually supporting lines of evidence to fulfil the aforementioned criteria: for a wellconstrained age and context; evidence for a morphology unique to biology; and more than a single line of geochemical evidence for metabolic cycling; . falsification of the null hypothesis of plausi
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?3,490 Ma Dresser Formation, East Pilbara, Western Australia1980). A biological explanation was put forward based upon the close macro-morphological similarity with younger unambiguous biological stromatolites. However, when subjected to re-examination, doubts were raised regarding their biogenicity. For example, Lowe (1994) re-interpreted the Dresser stroma
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Book 2009in the early Archean rock record. The young Earth was, however, a very different place to that we know today and numerous pitfalls await our interpretation of these most ancient rocks...The first half of this practical guide equips the reader with the background knowledge to successfully evaluate ne
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