Photo Gallery: Rocks A single pore between chert granules in a rock formation in Ontario Province, Canada, shows off its colors in this photomicrograph.

• 意译：岩石图片美术馆。一个单一的孔隙之间的硅质岩颗粒在一个岩层在安大略省，加拿大，表明其颜色在这幅照片。