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An improved method for assessing the degree of geochemical similarity (DOGS2) between samples from multi-element geochemical datasets

de Caritat, Patrice; Mann, A.


The multi-element aqua regia National Geochemical Survey of Australia (NGSA) database is used to demonstrate an improved method for quantifying the degree of geochemical similarity (DOGS2) between soil samples. The improvements introduced here address issues relating to compositional data (closure, relative scale). After removing the elements with excessive censored (below detection) values, the rank-based Spearman correlation coefficient (rs) between samples is calculated for the remaining 51...[Show more]

CollectionsANU Research Publications
Date published: 2018-09-14
Type: Journal article
Source: Geochemistry: Exploration, Environment, Analysis
DOI: 10.1144/geochem2018-021
Access Rights: Open Access


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