Title

Multivariate discriminant analysis of sub-Antarctic Deep-Sea sediments

Document Type

Article

Publication Date

1-1-1974

Abstract

Multivariate discriminant analysis of sediment grain-size data from a series of sub-Antarctic deep-sea sedimentary cores has yielded equations which differentiate between terrigenous, siliceous, and calcareous components. As a test of the methods, grain-size distribution data for 106 specimens from two sedimentary cores were examined using discriminant-predictive equations. A modified discriminant technique is used. The predicted sediment groups for these samples are in good agreement with independent microscopic observations. It is proposed that multivariate discriminant analysis of grain-size data provides automated data collection and rapid diagnosis of sedimentary type for restricted regions. This, in turn, facilitates genetic interpretations of sedimentary texture and depositional processes. © 1974 Geological Society of America.

Publication Source (Journal or Book title)

Bulletin of the Geological Society of America

First Page

1821

Last Page

1824

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