3. Groundmass



Vughs. Irregular voids whose origin cannot be attributed to a simple packing of units. Generally large sizes, normally not interconnected to other voids with a similar size.

Vesicles. With spherical or elliptical shapes and smooth walls. Typically due to gases.


Packing voids

Channels and chambers



There is a description of: shape, size, abundance and wall smoothness / roughness.


Key to voids


Home page | Contents | Groundmass | Previous | Next | Top