Geology Reference
In-Depth Information
vivianite
Hydrated iron phosphate, Fe
3
P
2
O
8
.H
2
O;
weathering
The chemical, mechanical, and biologi-
cal breakdown of rocks on exposure to the atmosphere,
hydrosphere, and biosphere.
a mineral.
voids
The open spaces between solid material in a
porous medium.
weathering front
The boundary between unaltered or
fresh bedrock and saprolite. It is often very sharp.
vortex
A fast-spinning or swirling mass of air or water.
zone
A latitudinal belt.
vugs
Pore spaces, sometimes called vugular pores
spaces, formed by solution eating out small cavities.
water table
The surface defined by the height of free-
standing water in fissures and pores of saturated rock
and soil.
