Discovery of native iron nuggets in the 250 m.y. old bedded chert of Sasayama section, Japan

provenance estimated by PIXE analysis

S. Miono, Y. Nakayama, Katsumi Hanamoto

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A large number of micron sized native iron nuggets (micro iron nugget) occurs in the Triassic-Permian bedded chert Judging from PIXE analyses and microscopic observations, an interstellar origin is deduced. The occurrence of micro iron nuggets is remarkable and is strongly suggestive of the existence of a new accretional mechanism in space.

Original languageEnglish
Pages (from-to)516-519
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume150
Issue number1-4
DOIs
Publication statusPublished - Apr 2 1999
Externally publishedYes

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Japan
Iron
iron
occurrences

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

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abstract = "A large number of micron sized native iron nuggets (micro iron nugget) occurs in the Triassic-Permian bedded chert Judging from PIXE analyses and microscopic observations, an interstellar origin is deduced. The occurrence of micro iron nuggets is remarkable and is strongly suggestive of the existence of a new accretional mechanism in space.",
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AU - Nakayama, Y.

AU - Hanamoto, Katsumi

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N2 - A large number of micron sized native iron nuggets (micro iron nugget) occurs in the Triassic-Permian bedded chert Judging from PIXE analyses and microscopic observations, an interstellar origin is deduced. The occurrence of micro iron nuggets is remarkable and is strongly suggestive of the existence of a new accretional mechanism in space.

AB - A large number of micron sized native iron nuggets (micro iron nugget) occurs in the Triassic-Permian bedded chert Judging from PIXE analyses and microscopic observations, an interstellar origin is deduced. The occurrence of micro iron nuggets is remarkable and is strongly suggestive of the existence of a new accretional mechanism in space.

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