Asteroids and Crustal Evolution

Andrew Y. Glikson; Franco Pirajno

doi:10.1007/978-3-319-74545-9_6

Asteroids and Crustal Evolution

Andrew Y. Glikson, Franco Pirajno

School of Earth Sciences

Research output: Chapter in Book/Conference paper › Chapter › peer-review

Abstract

Uniformitarian models for the early Earth take little or no account of repeated impacts of asteroid clusters and their effects on crust and mantle. However a growing body of evidence exists for multiple impacts by bodies on the scale of tens of kilometer during similar to 3.47-2.48 Ga, likely accounting at least in part for maficultramafic volcanism produced by mantle rebound and melting events, consistent with the original suggestion by Green (Earth Planet Sci Lett 15: 263-270, 1972, Precambrian plate tectonics. Elsevier, Amsterdam, pp 469-489, 1981). Further, the juxtaposition of at least four impact ejecta units with the fundamental unconformity between granite-greenstone terrains and semi-continental deposits in both the Barberton Greenstone Belt and the Pilbara Craton about similar to 3.26-3.227 Ga constitutes a primary example for the tectonic and magmatic effects of asteroid impact clusters in the Archaean, supporting Lowe and Byerly (Did the LHB end not with a bang but with a whimper? 41st Lunar Planet Science Conference 2563pdf, 2010) suggested extension of the late heavy bombardment (LHB).

Original language	English
Title of host publication	Asteroids Impacts, Crustal Evolution and Related Mineral Systems with Special Reference to Australia
Editors	Andrew Y. Glikson, Franco Pirajno
Place of Publication	Netherlands
Publisher	Springer
Chapter	6
Pages	157-171
Number of pages	15
ISBN (Print)	9783319745442
DOIs	https://doi.org/10.1007/978-3-319-74545-9_6
Publication status	Published - Mar 2018

Publication series

Name	Modern Approaches in Solid Earth Sciences
Publisher	SPRINGER
Volume	14
ISSN (Print)	1876-1682

Access to Document

10.1007/978-3-319-74545-9_6

Cite this

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title = "Asteroids and Crustal Evolution",

abstract = "Uniformitarian models for the early Earth take little or no account of repeated impacts of asteroid clusters and their effects on crust and mantle. However a growing body of evidence exists for multiple impacts by bodies on the scale of tens of kilometer during similar to 3.47-2.48 Ga, likely accounting at least in part for maficultramafic volcanism produced by mantle rebound and melting events, consistent with the original suggestion by Green (Earth Planet Sci Lett 15: 263-270, 1972, Precambrian plate tectonics. Elsevier, Amsterdam, pp 469-489, 1981). Further, the juxtaposition of at least four impact ejecta units with the fundamental unconformity between granite-greenstone terrains and semi-continental deposits in both the Barberton Greenstone Belt and the Pilbara Craton about similar to 3.26-3.227 Ga constitutes a primary example for the tectonic and magmatic effects of asteroid impact clusters in the Archaean, supporting Lowe and Byerly (Did the LHB end not with a bang but with a whimper? 41st Lunar Planet Science Conference 2563pdf, 2010) suggested extension of the late heavy bombardment (LHB).",

keywords = "SOUTHERN CARNARVON BASIN, LATE DEVONIAN AGE, PILBARA CRATON, GEOPHYSICAL ANOMALIES, CONTINENTAL-CRUST, WESTERN-AUSTRALIA, IMPACT STRUCTURE, KAAPVAAL CRATON, SPHERULE BEDS, ORIGIN",

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Asteroids and Crustal Evolution. / Glikson, Andrew Y.; Pirajno, Franco.
Asteroids Impacts, Crustal Evolution and Related Mineral Systems with Special Reference to Australia. ed. / Andrew Y. Glikson; Franco Pirajno. Netherlands: Springer, 2018. p. 157-171 (Modern Approaches in Solid Earth Sciences; Vol. 14).

Research output: Chapter in Book/Conference paper › Chapter › peer-review

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T1 - Asteroids and Crustal Evolution

AU - Glikson, Andrew Y.

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AB - Uniformitarian models for the early Earth take little or no account of repeated impacts of asteroid clusters and their effects on crust and mantle. However a growing body of evidence exists for multiple impacts by bodies on the scale of tens of kilometer during similar to 3.47-2.48 Ga, likely accounting at least in part for maficultramafic volcanism produced by mantle rebound and melting events, consistent with the original suggestion by Green (Earth Planet Sci Lett 15: 263-270, 1972, Precambrian plate tectonics. Elsevier, Amsterdam, pp 469-489, 1981). Further, the juxtaposition of at least four impact ejecta units with the fundamental unconformity between granite-greenstone terrains and semi-continental deposits in both the Barberton Greenstone Belt and the Pilbara Craton about similar to 3.26-3.227 Ga constitutes a primary example for the tectonic and magmatic effects of asteroid impact clusters in the Archaean, supporting Lowe and Byerly (Did the LHB end not with a bang but with a whimper? 41st Lunar Planet Science Conference 2563pdf, 2010) suggested extension of the late heavy bombardment (LHB).

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KW - IMPACT STRUCTURE

KW - KAAPVAAL CRATON

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BT - Asteroids Impacts, Crustal Evolution and Related Mineral Systems with Special Reference to Australia

A2 - Glikson, Andrew Y.

A2 - Pirajno, Franco

PB - Springer

CY - Netherlands

ER -

Asteroids and Crustal Evolution

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