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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: Mineralogical study on volcanic ash of the eruption on September 27, 2014 at Ontake volcano, central Japan: correlation with porphyry copper systems

Fig. 1

Location of sampling site (left) and volcanic ash from the eruption (right). Volcanic ash was sampled along the road. The samples were collected from clean, flat, and hard surface of the road and also from clean leaves. The volcanic ash distribution is drawn based on Takarada et al. (2014). The topographic relief map is created with Kasimir3D (Sugimoto 2016) from the 10-m-mesh DEM data provided by the Geospatial Information Authority of Japan

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