zonal theory

zonal theory

[′zōn·əl ′thē·ə·rē]
(geology)
A theory of the formation of mineral deposition and sequence patterns, based on the changes in a mineral-bearing fluid as it passes upward from a magmatic source.
References in periodicals archive ?
The problem here for the Toffees' zonal theory of 'marking space' is that the lightspeed Gunner can be in two places at once and still get back before he left.
The trouble here for the Toffees' zonal theory of 'marking space' is that the lightspeed Gunner can be in two places at once and still get back before he left.
Balakrishnan and Jarvis test the applicability of Burgess's concentric zonal theory of spatial differentials in urban Canada.