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Construction of a thermal demagnetization oven, and investigations on the Matahina ignimbrite

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thesis
posted on 2021-11-11, 20:10 authored by Hoare, Raymond Allan

A non-magnetic oven, and its ancillary equipment have been constructed and used to study magnetic properties of the Matahina ignimbrite, for which the following results have been established: 1. The directions of magnetization do not alter on heating in the oven. 2. The ignimbrite may be divided into sheets on the basis of magnetic properties. 3. Geological faulting has been revealed by divergent magnetization directions. 4. The T.R.M. acquired in the present earth's field is much greater than the N.R.M. This is possibly due to changes in minerals in the rock, either in the field since the rock was deposited, or on heating in the laboratory.

History

Copyright Date

1964-01-01

Date of Award

1964-01-01

Publisher

Te Herenga Waka—Victoria University of Wellington

Rights License

Author Retains Copyright

Degree Discipline

Physics

Degree Grantor

Te Herenga Waka—Victoria University of Wellington

Degree Level

Masters

Degree Name

Master of Science

Victoria University of Wellington Item Type

Awarded Research Masters Thesis

Language

en_NZ

Victoria University of Wellington School

School of Chemical and Physical Sciences

Advisors

Gellen, J. W.