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Spherule layers, crater scaling laws, and the population of ancient terrestrial impactors

Icarus (New York, N.Y. 1962), 2016-06, Vol.271, p.350-359

2016

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Secular change in the Precambrian silica cycle: Insights from chert petrology

Geological Society of America bulletin, 2005-07, Vol.117 (7), p.835

2005

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Shock-metamorphosed rutile grains containing the high-pressure polymorph TiO2-II in four Neoarchean spherule layers

Geology (Boulder), 2016-09, Vol.44 (9), p.775-778

2016

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SPHERULE LAYERS—RECORDS OF ANCIENT IMPACTS

Annual review of earth and planetary sciences, 2004-01, Vol.32 (1), p.329-361

2004

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Petrography and sedimentology of the ~2490 Ma DS4 impact spherule layer revisited, Brockman Iron Formation (Hamersley Group, Western Australia)

Meteoritics & planetary science, 2019-10, Vol.54 (10), p.2241-2253

2019

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Extending the paleogeographic range and our understanding of the Neoarchean Monteville impact spherule layer (Transvaal Supergroup, South Africa)

Meteoritics & planetary science, 2019-10, Vol.54 (10), p.2217-2240

2019

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Distal Impact Ejecta Layers: Spherules and More

Elements (Quebec), 2012-02, Vol.8 (1), p.43-48

2012

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First detection of extraterrestrial material in ca. 2.49 Ga impact spherule layer in Kuruman Iron Formation, South Africa

Geology (Boulder), 2015-03, Vol.43 (3), p.251-254

2015

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Ni-rich spinels and platinum group element nuggets condensed from a Late Archaean impact vapour cloud

Earth and planetary science letters, 2013-08, Vol.376, p.87-98

2013

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Raman Microspectroscopic Mapping with Multivariate Curve Resolution–Alternating Least Squares (MCR-ALS) Applied to the High-Pressure Polymorph of Titanium Dioxide, TiO2-II

Applied spectroscopy, 2017-08, Vol.71 (8), p.1816-1833

2017

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Paraburdoo spherule layer (Hamersley Basin, Western Australia): Distal ejecta from a fourth large impact near the Archean-Proterozoic boundary

Geology (Boulder), 2011-04, Vol.39 (4), p.307-310

2011

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Raman Microspectroscopic Mapping with Multivariate Curve Resolution-Alternating Least Squares (MCR-ALS) Applied to the High-Pressure Polymorph of Titanium Dioxide, TiO 2 -II

Applied spectroscopy, 2017-08, Vol.71 (8), p.1816-1833

2017

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The Sedimentary Record of Extraterrestrial Impacts in Deep‐Shelf Environments: Evidence from the Early Precambrian

The Journal of geology, 2001-01, Vol.109 (1), p.1-19

2001

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Iron Ore Deposits Associated with Precambrian Iron Formations

Elements (Quebec), 2011-04, Vol.7 (2), p.119-120

Simonson, B. M.

2011

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Application of laser ablation-ICP-mass spectrometry for 2-dimensional mapping of element distributions in a Late Archean impact spherule layer

Journal of analytical atomic spectrometry, 2013-01, Vol.28 (7), p.131-138

2013

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Textural constraints on the formation of impact spherules: A case study from the Dales Gorge BIF, Paleoproterozoic Hamersley Group of Western Australia

Meteoritics & planetary science, 2008-12, Vol.43 (12), p.2073-2087

2008

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Correlating multiple Neoarchean–Paleoproterozoic impact spherule layers between South Africa and Western Australia

Precambrian research, 2009-03, Vol.169 (1), p.100-111

2009

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Was the Deposition of Large Precambrian Iron Formations Linked to Major Marine Transgressions?

The Journal of geology, 1996-11, Vol.104 (6), p.665-676

1996

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Petrographic criteria for recognizing certain types of impact spherules in well-preserved precambrian successions

Astrobiology, 2003-01, Vol.3 (1), p.49-65

Simonson, Bruce M

2003

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Petrography and sedimentology of the ~2490 Ma DS 4 impact spherule layer revisited, Brockman Iron Formation (Hamersley Group, Western Australia)

Meteoritics & planetary science, 2019-10, Vol.54 (10), p.2241-2253

2019

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Have distal impact ejecta changed through geologic time?

Geology (Boulder), 2000-11, Vol.28 (11), p.975

2000

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Roll-up Structures: Evidence of In situ Microbial Mats in Late Archean Deep Shelf Environments

Palaios, 1999-02, Vol.14 (1), p.13

1999

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Geochemical evidence for an impact origin for a Late Archean spherule layer, Transvaal Supergroup, South Africa

Geology (Boulder), 2000-12, Vol.28 (12), p.1103

2000

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Early Silica Cementation and Subsequent Diagenesis in Arenites from Four Early Proterozoic Iron Formations of North America

Journal of sedimentary research, 1987-05, Vol.57

Bruce M. Simonson

1987

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Iridium anomaly but no shocked quartz from Late Archean microkrystite layer: Oceanic impact ejecta?

Geology (Boulder), 1998-03, Vol.26 (3), p.195

1998

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Spherule layers, crater scaling laws, and the population of ancient terrestrial impactors

Secular change in the Precambrian silica cycle: Insights from chert petrology

Shock-metamorphosed rutile grains containing the high-pressure polymorph TiO2-II in four Neoarchean spherule layers

SPHERULE LAYERS—RECORDS OF ANCIENT IMPACTS

Petrography and sedimentology of the ~2490 Ma DS4 impact spherule layer revisited, Brockman Iron Formation (Hamersley Group, Western Australia)

Extending the paleogeographic range and our understanding of the Neoarchean Monteville impact spherule layer (Transvaal Supergroup, South Africa)

Distal Impact Ejecta Layers: Spherules and More

First detection of extraterrestrial material in ca. 2.49 Ga impact spherule layer in Kuruman Iron Formation, South Africa

Ni-rich spinels and platinum group element nuggets condensed from a Late Archaean impact vapour cloud

Raman Microspectroscopic Mapping with Multivariate Curve Resolution–Alternating Least Squares (MCR-ALS) Applied to the High-Pressure Polymorph of Titanium Dioxide, TiO2-II

Paraburdoo spherule layer (Hamersley Basin, Western Australia): Distal ejecta from a fourth large impact near the Archean-Proterozoic boundary

Raman Microspectroscopic Mapping with Multivariate Curve Resolution-Alternating Least Squares (MCR-ALS) Applied to the High-Pressure Polymorph of Titanium Dioxide, TiO 2 -II

The Sedimentary Record of Extraterrestrial Impacts in Deep‐Shelf Environments: Evidence from the Early Precambrian

Iron Ore Deposits Associated with Precambrian Iron Formations

Application of laser ablation-ICP-mass spectrometry for 2-dimensional mapping of element distributions in a Late Archean impact spherule layer

Textural constraints on the formation of impact spherules: A case study from the Dales Gorge BIF, Paleoproterozoic Hamersley Group of Western Australia

Correlating multiple Neoarchean–Paleoproterozoic impact spherule layers between South Africa and Western Australia

Was the Deposition of Large Precambrian Iron Formations Linked to Major Marine Transgressions?

Petrographic criteria for recognizing certain types of impact spherules in well-preserved precambrian successions

Petrography and sedimentology of the ~2490 Ma DS 4 impact spherule layer revisited, Brockman Iron Formation (Hamersley Group, Western Australia)

Have distal impact ejecta changed through geologic time?

Roll-up Structures: Evidence of In situ Microbial Mats in Late Archean Deep Shelf Environments

Geochemical evidence for an impact origin for a Late Archean spherule layer, Transvaal Supergroup, South Africa

Early Silica Cementation and Subsequent Diagenesis in Arenites from Four Early Proterozoic Iron Formations of North America

Iridium anomaly but no shocked quartz from Late Archean microkrystite layer: Oceanic impact ejecta?

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