- A proportional circle map shows the relative sizes of objects or events. The larger the circle on the map, the greater the magnitude of the measured object by the scale.
- These are proportional circle maps showing the distribution of Zn (A), Pb (B), Hg (C) and Ba (D) in sediments from streams draining the Selwyn Basin, Yukon. This helps identify the mineral deposits in areas of Canada.
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