Compositions and microstructures of the primary ceramic materials in the paleolithic age through XRD, SEM, and TEM analyses

Kaoru Yonekura, Tetsuya Suzuki, Ayako Hashimoto, Hiroyuki Hasegawa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The mineral compositions and microstructures of Paleolithic materials were first investigated by X-ray diffraction analysis, scanning electron microscopy, and transmission electron microscopy in order to understand the primary ceramic material in human history. Shale and chalcedony artifacts excavated from upper Paleolithic sites were analyzed. As a result, from among various candidates with nonuniform mineral compositions, only limited materials containing polycrystals with approximately more than 95%α-quartz content were selected as tool materials. Moreover, every Paleolithic material invariably exhibited densely packed and homogeneous micrograins approximately 0.1-0.5 μm in size and an equigranular structure with few porosities at the grain boundaries.

Original languageEnglish
Pages (from-to)316-319
Number of pages4
JournalJournal of the American Ceramic Society
Volume89
Issue number1
DOIs
Publication statusPublished - 2006 Jan

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Ceramic materials
Transmission electron microscopy
Microstructure
Scanning electron microscopy
Chemical analysis
Minerals
Quartz
Polycrystals
Shale
X ray diffraction analysis
Grain boundaries
Porosity

ASJC Scopus subject areas

  • Ceramics and Composites

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Compositions and microstructures of the primary ceramic materials in the paleolithic age through XRD, SEM, and TEM analyses. / Yonekura, Kaoru; Suzuki, Tetsuya; Hashimoto, Ayako; Hasegawa, Hiroyuki.

In: Journal of the American Ceramic Society, Vol. 89, No. 1, 01.2006, p. 316-319.

Research output: Contribution to journalArticle

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