GSV Geological Unit (250K) - Age
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资源简介：
Geological units represented as two dimensional polygons, designed for portrayal at 1:250 000 scale. The polygon edges are constructed from the corresponding geological contacts and faults layer. Theme based on the 2008 version of the IUGS International stratigraphic chart (International Commission on Stratigraphy : http://www.stratigraphy.org/).
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AuScope
