Del 31 - Topics in Geobiology

Early Life on Earth

A Practical Guide

Inbunden, Engelska, 2009

AvDavid Wacey

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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.

Produktinformation

Utgivningsdatum2009-01-29
Mått155 x 235 x 21 mm
Vikt600 g
FormatInbunden
SpråkEngelska
SerieTopics in Geobiology
Antal sidor274
Upplaga2009
FörlagSpringer-Verlag New York Inc.
ISBN9781402093883

Tillhör följande kategorier

Astronomi inom Naturvetenskap och teknik
Geovetenskap inom Naturvetenskap och teknik
Paleontologi inom Naturvetenskap och teknik
Biokemi inom Naturvetenskap och teknik
Geografi inom Naturvetenskap och teknik

David Wacey is a University Research Fellow at the University of Western Australia in Perth. He graduated with honours from Oxford University in 1998 and then undertook a D.Phil. investigating the geochemistry and microbiology of modern and ancient dolomite formation. It was during this time that he became interested in primitive microbes and how the earliest life on Earth may have arisen and evolved. On completion of his D. Phil he decided to concentrate his research on the earliest rocks found on Earth. After 12 years at Oxford he relocated to Western Australia where he now works on a number of problems relating to the recognition and understanding of the earliest signs of life of Earth. More information can be found here: http://cmca.uwa.edu.au/contact_directory

Investigating Life in Early Archean Rocks.- Setting the Scene: Milestones in the Search for Early Life on Earth.- What Can We Expect to Find in the Earliest Rock Record?.- The Difficulties of Decoding Early Life.- Establishing the Criteria for Early Life on Earth.- Fulfilling the Criteria for Early Life on Earth.- Techniques for Investigating Early Life on Earth.- An Atlas of Claims for Early Archean Life.- > 3,700 Ma Isua Supracrustal Belt and Akilia Island, S.W. Greenland.- ˜3,490 Ma Dresser Formation, East Pilbara, Western Australia.- ~3,470 Ma Mount Ada Basalt, East Pilbara, Western Australia.- ~3,460 Ma Apex Basalt, East Pilbara, Western Australia.- ~3,450 Ma, Hoogenoeg Formation, Barberton, South Africa.- ~3,450 Ma, Panorama Formation, East Pilbara, Western Australia.- ˜3,426–3,350 Ma, Strelley Pool Formation, East Pilbara, Western Australia.- ?3,416–3,334 Ma, Kromberg Formation, Barberton, South Africa.- ~3,350 Ma, Euro Basalt, East Pilbara, Western Australia.- ~3,250 Ma, Fig Tree Group, Barberton, South Africa.- ~3,240 Ma, Kangaroo Caves Formation, East Pilbara, Western Australia.- ~3,200 Ma, Moodies Group, Barberton, South Africa.- ~3,200 Ma, Dixon Island Formation, Cleaverville Greenstone Belt, West Pilbara, Western Australia.- ~3,000 Ma, Cleaverville Formation, Cleaverville Greenstone Belt, West Pilbara, Western Australia.- ~3,000 Ma, Farrel Quartzite, East Pilbara, Western Australia.- THE IMPOSTERS: Younger Biological Contaminants and Non-Biological Artefacts.- Erratum to.

From the reviews: "Suitable for graduate students and early career researchers, this book provides a useful introduction to the current understanding of life on the early Earth. The excellent images and use of bullet points and tables to encapsulate key information make this book highly readable ... providing suggestions for additional reading for those who want (or need) to know more. The text is clear and well-written ... . This book is thought-provoking ... ." (Alison J. Wright, The Astrobiology Society of Britain, September, 2009) "Wacey ... has chosen a daunting task: to review everything more than three billion years old that anyone has interpreted as a body, trace, or chemical remnant of life on Earth. ... At approximately 100 pages, this overview is quite succinct, yet well illustrated and comprehensively referenced. ... Pound for pound, this may be the best available summary of evidence of Earth's earliest life ... a good introduction for nonspecialists. Summing Up: Highly recommended. Upper-division undergraduate through professional collections." (B. M. Simonson, Choice, Vol. 47 (3), November, 2009) "Gives the reader a general overview of early-life studies ... . The topics are presented in such a way that even a non-scientist would be able to grasp most of the basic concepts. ... The topics covered are well-organized and clearly explained, and each section is followed by extensive lists of references for further reading. I would certainly use this book as the basis of an introductory course curriculum at the upper undergraduate or graduate level." (Dina M. Bower, Geologos, Vol. 16 (3), September, 2010)