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Volume 90, Number 4
April 2020

ISSN: 1527-1404
EISSN: 1938-3681
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Cover Image
Cover Image
COVER EXPLANATION.—Convolute-laminated sandstone that has foundered locally into coarse-tail-graded sandstone. Parallel layering within the convolute-laminated unit becomes increasingly contorted upward. See Al-Mufti and Arnott, May issue.
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