Review of The Story Of Earth & Life: A Southern African Perspective on a 4.6-Billion-Year Journey (Paperback)

This is a fantastic book with a great deal of valuable facts and knowledge. Especially good for anyone studying in this field or just for the person wishing to increase their general knowledge. It contains lots of illustrations and information in an easy to read format.

Product Description
‘It is inordinately difficult for most people to relate past events described by earth scientists to the world we see around us today. Reason and logic are strained when they describe mountains that were once seas, or seas where there were once mountains. It is hoped that this book will go some way to alleviating this kind of difficulty.'-- from the Introduction

Southern Africa is without equal in terms of geology, a treasure trove of valuable minerals with a geological history dating back some 3 600 million years. In addition, the evolution of plants and animals, especially mammals and dinosaurs, is well preserved in the region, which also has among the best records of the origin of modern man. The Story of Earth and Life provides a fascinating insight into this remarkable history - how southern Africa's mineral deposits were formed, how its life evolved and how its landscape was shaped. Along the way readers will be enthralled by accounts of the Big Bang that marked the beginning of time and matter, by drifting and colliding continents, folding and fracturing rocks, meteors colliding with the Earth, volcanic eruptions, and the start of life. Other topics include why South Africa is so rich in minerals, how glacial deposits came to be found in the Karoo, why dinosaurs became extinct, how mammals developed from reptiles, and how closely humans are related to the apes. The answers to many such questions can be found here. The book is comprehensively illustrated with explanatory diagrams and full color photographs.

About the Author
Prof. Terence McCarthy is Professor of Mineral Geochemistry at the University of the Witwatersrand. He has wide research interests in the earth sciences, including economic and environmental geology, geochemistry and geomorphology, and is a leading expert on the geology of wetlands, especially the Okavango Delta in Botswana.

Prof. Bruce Rubidge is director of the Bernard Price Institute for Palaeontological Research at the University of the Witwatersrand. Passionate about fossils, he is an authority on the formation of the Karoo Basin and the evolution of its fauna, especially the mammal-like reptiles.

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Review of The Time Before History: 5 Million Years of Human Impact (Paperback)

Tudge has an interesting book with "The Time Before History." He spends a great deal of the book laying the groundwork for the appearence of the ancestors of humans, with detailed discussions of geology, climate, and the evolution of fauna and flora. The chapter on prehistoric creatures was pretty interesting, and considering the dearth of popular works on extinct mammals make this book a worthwhile read alone.

Tudge though is at his best when describing the various types of early humans and protohumans -from the various types of Australopithecines to Homo sapiens - and how they evolved, how they lived, and in some cases, how they spread. Useful are his discussion of ecomorphs and how the generalized ecomorphs of primates favored the development of bipedal, tool-using, intelligent protohumans, and his coverage of the diet of australopithecines and early humans and how this affected our evolution, as well as what we know of these beings. Tudge also provides a lot of interesting theories and information regarding the spread of not only Homo sapiens into the world but Homo erectus before him; also theories as to what happened to the Neanderthals and if they were a seperate species or not are detailed as well.

The Tudge book is not perfect though. I think he spends too much time on background prior to discussions of early man. Though interesting, they take up a sizeable section of the book. Some of the asides in the chapter on extinct mammals while interesting are controversial, though he does provide citations for those interested in checking on things. Examples include his mentioning of the theory that giant ground sloths may have been arboreal, that the mastodon genus Cuvieronius may have survived in Central America until several centuries after Christ, and that the dwarf mammoth of Wrangel Island (which survived into historic times, this has been well documented) is actually pictured on a pharaoh's tomb in Egypt, according to some having been illustrated when one was presented as a gift!

Still, I wouldn't let some of these controversial statements steer potential readers away from this book. It still provides decent coverage of extinct mammals, concepts in paleontology, and a good coverage of eartly man, his development, and spread around the globe.



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