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Multivariate statistical analysis of stream-sediment geochemistry in the Grazer Paläozoikum, Austria

January 1, 1990

The Austrian reconnaissance study of stream-sediment composition — more than 30000 clay-fraction samples collected over an area of 40000 km2 — is summarized in an atlas of regional maps that show the distributions of 35 elements. These maps, rich in information, reveal complicated patterns of element abundance that are difficult to compare on more than a small number of maps at one time. In such a study, multivariate procedures such as simultaneous R-Q mode components analysis may be helpful. They can compress a large number of variables into a much smaller number of independent linear combinations. These composite variables may be mapped and relationships sought between them and geological properties. As an example, R-Q mode components analysis is applied here to the Grazer Paläozoikum, a tectonic unit northeast of the city of Graz, which is composed of diverse lithologies and contains many mineral deposits.

Citation Information

Publication Year 1990
Title Multivariate statistical analysis of stream-sediment geochemistry in the Grazer Paläozoikum, Austria
DOI 10.1007/BF00190384
Authors L. Weber, J.C. Davis
Publication Type Article
Publication Subtype Journal Article
Series Title Mineralium Deposita
Series Number
Index ID 70016148
Record Source USGS Publications Warehouse
USGS Organization