GEMET
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Definition

松散的由小的矿物微粒或石头和矿物微粒组成的物质,能用肉眼区分;形状从近球形到有角等形状,直径在1/16到2毫米之间。

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    Wikipedia article:
  • Sand
Scope note

Scope note is not available.

Concept URL: http://www.eionet.europa.eu/gemet/concept/7413