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Hadean earth

Earth (Planet)

Hadean earth

Record Type:	Electronic resources : Monograph/item
Title/Author:	Hadean earthby T. Mark Harrison.
Author:	Harrison, T. Mark.
Published:	Cham :Springer International Publishing :2020.
Description:	xvi, 291 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
Subject:	Earth sciences.
Subject:	Earth (Planet)Rotation.
Online resource:	https://doi.org/10.1007/978-3-030-46687-9
ISBN:	9783030466879$q(electronic bk.)

Hadean earth
Harrison, T. Mark.

Hadean earth[electronic resource] /by T. Mark Harrison. - Cham :Springer International Publishing :2020. - xvi, 291 p. :ill., digital ;24 cm.

Why Hadean?- Thermal evolution models -- Radionuclide produced isotopic variations in mantle rocks -- The Lunar surface and Late Heavy Bombardment concept -- Models of continental growth and destruction -- Plate boundary interactions through geologic history -- Hadean Jack Hills zircon geochemistry -- Hadean zircons elsewhere in the Solar System -- Proposed sources of Hadean zircons -- Could the Hadean eon have been habitable?- Morpho- and chemo-fossil evidence for the appearance of life -- Collectanea.

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.

ISBN: 9783030466879$q(electronic bk.)

Standard No.: 10.1007/978-3-030-46687-9doiSubjects--Topical Terms:

196069
Earth sciences.
Subjects--Geographical Terms:

611612
Earth (Planet)
--Rotation.

LC Class. No.: QE26.3 / .H377 2020

Dewey Class. No.: 550

Hadean earth
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505 0 $a Why Hadean?- Thermal evolution models -- Radionuclide produced isotopic variations in mantle rocks -- The Lunar surface and Late Heavy Bombardment concept -- Models of continental growth and destruction -- Plate boundary interactions through geologic history -- Hadean Jack Hills zircon geochemistry -- Hadean zircons elsewhere in the Solar System -- Proposed sources of Hadean zircons -- Could the Hadean eon have been habitable?- Morpho- and chemo-fossil evidence for the appearance of life -- Collectanea.
520 $a 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.
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