Types of porosity.A—Well-sorted alluvial material (high porosity). B—Well-sorted porous pebbles (very high porosity) C—Rock rendered porous by solution. D-Well-sorted material, but porosity reduced by cementation. E—Poorly sorted alluvial material (low porosity). FImpervious rock rendered porous by fracture.
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https://paperspast.natlib.govt.nz/periodicals/NZJAG19520315.2.8.3
Bibliographic details
New Zealand Journal of Agriculture, Volume 84, Issue 3, 15 March 1952, Page 165
Word Count
37Types of porosity.A—Well-sorted alluvial material (high porosity). B—Well-sorted porous pebbles (very high porosity) C—Rock rendered porous by solution. D-Wellsorted material, but porosity reduced by cementation. E—Poorly sorted alluvial material (low porosity). F- Impervious rock rendered porous by fracture. New Zealand Journal of Agriculture, Volume 84, Issue 3, 15 March 1952, Page 165
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