Geological Criteria for Determining the Structural Position of Sedimentary Beds (Classic Reprint) - Softcover

Cox, G. H.

Softcover

ISBN 10: 1528401336 ISBN 13: 9781528401333

Verlag: Forgotten Books, 2017

Inhaltsangabe

Excerpt from Geological Criteria for Determining the Structural Position of Sedimentary Beds

Ripple marks may be defined as rhythmic undulations that may be seen in sediments, clouds and snow; the name calling attention to the similarity of these markings to ripples formed on the surface of water by the wind. The name refers, then, only to their general shape and repetition and should bear no inference as to size, relative dimensions and origin.

In all cases such 'wavelike forms have resulted from either translational or undulatory movements in the adja cent medium, the former usually being called current ripples and the latter wave, normal, or oscillation ripples. A medium which has an oscillatory movement may also have one of translation; consequently it is not uncommon for ripple marks to result from a combination of these two methods (pl. Iv-b) and all gradations from one to the other may be expected. Ripple marks may be formed either by an unequal deposition of new sediments or by the reworking of unconsolidated material previously deposited.

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Details zur Ausgabe

• Verlag: Forgotten Books
• Erscheinungsdatum: 2017
• Sprache: Englisch
• ISBN 10: 1528401336
• ISBN 13: 9781528401333
• Einband: Taschenbuch
• Anzahl der Seiten: 64
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