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Hadean Earth

Hadean Earth PDF Author: T. Mark Harrison
Publisher: Springer Nature
ISBN: 3030466876
Category : Science
Languages : en
Pages : 304

Book Description
This book consolidates the latest research on the Hadean Eon - the first 500 million years of Earth history - which has permitted hypotheses of early Earth evolution to be tested, including geophysical models that include the possibility of plate tectonic-like behavior. These new observations challenge the longstanding Hadean paradigm – based on no observational evidence - of a desiccated, lifeless, continent-free wasteland in which surface petrogenesis was largely due to extraterrestrial impacts. The eon was termed “Hadean” to reflect such a hellish environment. That view began to be challenged in 2001 as results of geochemical analyses of greater than 4 billion year old zircons from Australia emerged. These data were consistent with the zircons forming in a world much more similar to today than long thought and interpreted to indicate that sediment cycling was occurring in the presence of liquid water. This new view leaves open the possibility that life could have emerged shortly after Earth accretion. The epistemic limitations under which the old paradigm persisted are closely examined. The book is principally designed as a monograph but has the potential to be used as a text for advanced graduate courses on early Earth evolution.

Hadean Earth

Hadean Earth PDF Author: T. Mark Harrison
Publisher: Springer Nature
ISBN: 3030466876
Category : Science
Languages : en
Pages : 304

Book Description
This book consolidates the latest research on the Hadean Eon - the first 500 million years of Earth history - which has permitted hypotheses of early Earth evolution to be tested, including geophysical models that include the possibility of plate tectonic-like behavior. These new observations challenge the longstanding Hadean paradigm – based on no observational evidence - of a desiccated, lifeless, continent-free wasteland in which surface petrogenesis was largely due to extraterrestrial impacts. The eon was termed “Hadean” to reflect such a hellish environment. That view began to be challenged in 2001 as results of geochemical analyses of greater than 4 billion year old zircons from Australia emerged. These data were consistent with the zircons forming in a world much more similar to today than long thought and interpreted to indicate that sediment cycling was occurring in the presence of liquid water. This new view leaves open the possibility that life could have emerged shortly after Earth accretion. The epistemic limitations under which the old paradigm persisted are closely examined. The book is principally designed as a monograph but has the potential to be used as a text for advanced graduate courses on early Earth evolution.

Earth

Earth PDF Author: Jonathan I. Lunine
Publisher: Cambridge University Press
ISBN: 0521850010
Category : Science
Languages : en
Pages : 329

Book Description
Fully updated, this new edition provides a uniquely interdisciplinary overview of Earth's history and evolution for Earth science undergraduates.

Earth's Early Atmosphere and Surface Environment

Earth's Early Atmosphere and Surface Environment PDF Author: George H. Shaw
Publisher: Geological Society of America
ISBN: 0813725046
Category : Science
Languages : en
Pages : 142

Book Description
Nothing provided

Processes on the Early Earth

Processes on the Early Earth PDF Author: W. U. Reimold
Publisher: Geological Society of America
ISBN: 0813724058
Category : Science
Languages : en
Pages : 418

Book Description
"This Special Paper presents a collection of 19 papers contributed to a joint Field Forum organized by the Geological Society of America and the Geological Society of South Africa in July 2004 in the Barberton Greenstone Belt and the Vredefort Dome, South Africa. The papers cover a wide variety of themes, including Archean and Proterozoic crust formation and geodynamics (with an appraisal of evidence of Archean subduction processes); the significance of impacts in the evolution of the early Earth's crust; traces of early life in Archean environments of Australia and South Africa and related studies of depositional environments; and processes affecting the giant Witwatersrand gold deposit."--Publisher's website.

The Precambrian

The Precambrian PDF Author:
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages :

Book Description


Earth's Oldest Rocks

Earth's Oldest Rocks PDF Author: Martin J. Van Kranendonk
Publisher: Elsevier
ISBN: 0080552471
Category : Science
Languages : en
Pages : 1331

Book Description
Earth's Oldest Rocks provides a comprehensive overview of all aspects of early Earth, from planetary accretion through to development of protocratons with depleted lithospheric keels by c. 3.2 Ga, in a series of papers written by over 50 of the world's leading experts. The book is divided into two chapters on early Earth history, ten chapters on the geology of specific cratons, and two chapters on early Earth analogues and the tectonic framework of early Earth. Individual contributions address topics that range from planetary accretion, a review of Earth meteorites, significance and composition of Hadean protocrust, composition of Archaean mantle and deep crust, all aspects of the geology of Paleoarchean cratons, composition of Archean oceans and hydrothermal environments, evidence and geological settings of early life, early Earth analogues from Venus and New Zealand, and a tectonic framework for early Earth.* Contains comprehensive reviews of areas of ancient lithosphere on Earth, of planetary accretion processes, and of meteorites* Focuses on specific aspects of early Earth, including oldest putative life forms, evidence of the composition of the ancient atmosphere-hydrosphere, and the oldest evidence for subduction-accretion* Presents an overview of geological processes and model of the tectonic framework on early Earth

Earth

Earth PDF Author: Jonathan I. Lunine
Publisher: Cambridge University Press
ISBN: 9780521644235
Category : Nature
Languages : en
Pages : 356

Book Description
This is an outstanding overview of the history of the Earth from a unique planetary perspective for introductory courses in the earth sciences. The book approaches Earth history as an evolution, encompassing the origin of the cosmos through the inner working of living cells. Earth: Evolution of a Habitable Planet tells how the Earth has come to its present state, why it differs from its neighboring planets, what life's place is in Earth's history, and how humanity affects the processes that make our planet livable. Today's human influences are contemplated in the context of natural changes on Earth. This book brings a fresh perspective to the study of the Earth for students who wish to learn how our planet evolved to its present form.

Origin and Evolution of Earth

Origin and Evolution of Earth PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309134307
Category : Science
Languages : en
Pages : 150

Book Description
Questions about the origin and nature of Earth and the life on it have long preoccupied human thought and the scientific endeavor. Deciphering the planet's history and processes could improve the ability to predict catastrophes like earthquakes and volcanic eruptions, to manage Earth's resources, and to anticipate changes in climate and geologic processes. At the request of the U.S. Department of Energy, National Aeronautics and Space Administration, National Science Foundation, and U.S. Geological Survey, the National Research Council assembled a committee to propose and explore grand questions in geological and planetary science. This book captures, in a series of questions, the essential scientific challenges that constitute the frontier of Earth science at the start of the 21st century.

Earth History

Earth History PDF Author: Azhar ul Haque Sario
Publisher: tredition
ISBN: 3384253043
Category : History
Languages : en
Pages : 190

Book Description
Think of Earth as a timeworn scrapbook, filled with faded photos, scribbled notes, and the occasional pressed flower. Sure, it's one speck amidst the galaxy, but every dog-eared page holds a tale more thrilling than any sci-fi movie. "Earth History: Our Legacy" is your ticket to flipping through those pages, starting with a fiery explosion that sparked our world into being and ending... well, that ending is still up to us! This isn't some dry textbook. It's a backstage pass to Earth's greatest hits and flops. Picture yourself stargazing with scientists, searching for planets like ours before diving into the lava pits of a young Earth. You'll hang out underwater, watching life take its first, weird steps, then stand on the sidelines as dinosaurs duke it out while sneaky mammals play it cool. And hey, we humans show up eventually! You'll see how campfire sparks turned into city lights, how scattered tribes became empires that crumbled back into dust. There's adventure, mystery, and a dash of 'are we seriously repeating the same mistakes?' The thing is, Earth's story is our story. Its scars from past disasters hold warnings. Its bursts of wild creativity hold the key to solving today's problems. Our ancestors were survivors, inventors, and dreamers – kinda like us. "Earth History: Our Legacy" isn't just about the past; it's about right now. It's about realizing that this incredible, messy, breathtaking world is in our hands, and the next chapter is for us to write. Ready to turn the page? Let's dive in!

A Geologic Time Scale 2004

A Geologic Time Scale 2004 PDF Author: Felix M. Gradstein
Publisher: Cambridge University Press
ISBN: 9780521786737
Category : Science
Languages : en
Pages : 648

Book Description
A new detailed international geologic time scale, including methodology and a wallchart.