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Measurement and Geological Significance of Shape and Roundness of Sedimentary Particles
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1941
Year
Facies AnalysisEngineeringSedimentary ParticlesGeomorphologySedimentary GeologyLarge Sedimentary ParticlesGeological SignificanceEarth ScienceRapid MeasurementSediment AnalysisRapid Visual MethodGeologySedimentary PetrologySedimentologySediment TransportDepositional ProcessCivil EngineeringSediment ProcessSedimentation
ABSTRACT Methods are described for the rapid measurement of shape and roundness of large sedimentary particles. Shape is determined from the long, intermediate, and short diameters of the particles, and roundness is measured by a rapid visual method. The importance of distinguishing between these properties is discussed. Shape and roundness behave differently during abrasion and selective transport, and hence are important in evaluating the effects of these processes during the formation of the deposit.