Sentence examples for materials of volcanic from inspiring English sources

The natural pozzolanas are mainly materials of volcanic origin but include some diatomaceous earths.

As had been theorised, much of the sample is made of weathered "basaltic" materials of volcanic origin, like that seen on the islands of Hawaii.

Located dense materials of volcanic formations like basalts (Telford et al. 1990) are aligned in the same direction with the CVL (N30°).

In the kettle holes of the Majella massif, the horizons developed from layers rich of materials of volcanic origin, and the formation of short-range order minerals occurred.

Andosols are highly porous, dark-coloured soils developed from parent material of volcanic origin, such as volcanic ash, tuff, and pumice.

Therefore, we cultivated transgenic rice lines containing the introduced HvNAS1 (gNAS1), HvNAS1, and HvNAAT-A and HvNAAT-B (gNAS1 + gNAAT), or IDS3 (genes) genes (Fig. 2) in a field with Andosol soils, which are highly porous, dark-colored soils developed from parent material of volcanic origin and one of the typical soil groups in Japan.

This idea is also applicable to non-volcanic areas in Japan, because surface soil in Japan often contains materials of a volcanic origin.

The soils developed in the material of predominantly volcanic origin under cold humid marine climate.

RHA is a porous material of Trass volcanic ash; the main ingredient is amorphous SiO2, up to 60% 97% content.

The model used to explain this discontinuity and the nature of volcanic materials envisions a crust of lower density siliceous and aluminous material, such as granite, floating on a thick mantle made of denser siliceous and ferromagnesian material, principally basalt dunite eclogite.

For example, where subaerial mass movements on volcanic islands flow into the sea, this material can form subaqueous debris flows containing large amounts of volcanic material (e.g., Masson 1996; Satake and Kato 2001).