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Restricted accessResearch articleFirst published January, 2003

Petrographic Criteria for Recognizing Certain Types of Impact Spherules in Well-Preserved Precambrian Successions

Bruce M. Simonson

Astrobiology

Restricted accessResearch articleFirst published January, 2003

Spherule Beds 3.47–3.24 Billion Years Old in the Barberton Greenstone Belt,South Africa: A Record of Large Meteorite Impacts and Their Influence on Early Crustal and Biological Evolution

Donald R. Lowe, Gary R. Byerly, Frank T. Kyte [...]

Astrobiology

Restricted accessResearch articleFirst published March, 2004

Early Precambrian Asteroid Impact-Triggered Tsunami: Excavated Seabed,Debris Flows,Exotic Boulders,and Turbulence Features Associated with 3.47–2.47 Ga-Old Asteroid Impact Fallout Units,Pilbara Craton,Western Australia

Andrew Y. Glikson

Astrobiology

Restricted accessResearch articleFirst published June, 2023

Origin of Silicate Spherules and Geochemistry of Re and Platinum-Group Elements Within Microfossil-Bearing Archean Chert from the 3.4 Ga Strelley Pool Formation,Western Australia

Kenichiro Sugitani, Koichi Mimura, Ryoko Senda [...]

Astrobiology

Restricted accessResearch articleFirst published August, 2017

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

Joseph P. Smith, Frank C. Smith, Joshua Ottaway [...]

Applied Spectroscopy

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Articles (5)

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1-5 of 5 results for IMPACTS-SPHERULE

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Restricted accessResearch articleFirst published January, 2003

Petrographic Criteria for Recognizing Certain Types of Impact Spherules in Well-Preserved Precambrian Successions

Bruce M. Simonson

Astrobiology

Restricted accessResearch articleFirst published January, 2003

Spherule Beds 3.47–3.24 Billion Years Old in the Barberton Greenstone Belt,South Africa: A Record of Large Meteorite Impacts and Their Influence on Early Crustal and Biological Evolution

Donald R. Lowe, Gary R. Byerly, Frank T. Kyte [...]

Astrobiology

Restricted accessResearch articleFirst published March, 2004

Early Precambrian Asteroid Impact-Triggered Tsunami: Excavated Seabed,Debris Flows,Exotic Boulders,and Turbulence Features Associated with 3.47–2.47 Ga-Old Asteroid Impact Fallout Units,Pilbara Craton,Western Australia

Andrew Y. Glikson

Astrobiology

Restricted accessResearch articleFirst published June, 2023

Origin of Silicate Spherules and Geochemistry of Re and Platinum-Group Elements Within Microfossil-Bearing Archean Chert from the 3.4 Ga Strelley Pool Formation,Western Australia

Kenichiro Sugitani, Koichi Mimura, Ryoko Senda [...]

Astrobiology

Restricted accessResearch articleFirst published August, 2017

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

Joseph P. Smith, Frank C. Smith, Joshua Ottaway [...]

Applied Spectroscopy