Influence of clast axial ratio on macrofabric strength in periglacial colluvium

Susan W.S. Millar; Frederick E. Nelson

doi:10.1306/022803730720

Influence of clast axial ratio on macrofabric strength in periglacial colluvium

Susan W.S. Millar, Frederick E. Nelson

Department of Geography

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Samples of fabric data collected from periglacial solifluction lobes in central Alaska show a systematic, positive relation between clast axial ratio and fabric strength. Samples composed of clasts with low a:b axial ratios have relatively low fabric strength. Restricting sampling to clasts with axial ratios of 1.5:1 or higher increases fabric strength and decreases its variability. To enhance comparability between fabric studies and the utility of fabric interpretation, sampling should be restricted to clasts with relatively large (≥ 1.5:1) axial ratios.

Original language	English (US)
Pages (from-to)	720-724
Number of pages	5
Journal	Journal of Sedimentary Research
Volume	73
Issue number	5
DOIs	https://doi.org/10.1306/022803730720
State	Published - Sep 2003

ASJC Scopus subject areas

Geology

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abstract = "Samples of fabric data collected from periglacial solifluction lobes in central Alaska show a systematic, positive relation between clast axial ratio and fabric strength. Samples composed of clasts with low a:b axial ratios have relatively low fabric strength. Restricting sampling to clasts with axial ratios of 1.5:1 or higher increases fabric strength and decreases its variability. To enhance comparability between fabric studies and the utility of fabric interpretation, sampling should be restricted to clasts with relatively large (≥ 1.5:1) axial ratios.",

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