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Heavy minerals of Hampshire Basin Palaeogene strata

Published online by Cambridge University Press:  01 May 2009

A. C. Morton
A. C. Morton
Affiliation:
Petrology Unit, Institute of Geological Sciences, Ring Road Halton, Leeds LS15 8TQ.
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Summary

Three heavy mineral associations have been recognized in Palaeogene sands from the Hampshire Basin: one typical of the Scottish Highlands to the north, one of the Armorican massif to the south, and one characteristic of the Cornubian massif to the west. These associations interplay throughout the sequence to produce 10 heavy mineral units correlatable over the basin. The bases of several of the units correspond to commonly accepted time-surfaces and encourage correlation between areas showing strong facies variation. Transgressive units are dominated by Scottish-type material, regressive units by Armorican or Cornubian detritus. There is a relationship between local source area uplift and regression, the main reason for which is that the widespread transgressions submerged or otherwise cut off more local sediment sources, allowing input from the Scottish Highlands, a positive feature throughout much of Tertiary time, to dominate.

Type
Articles
Information
Geological Magazine , Volume 119 , Issue 5 , September 1982 , pp. 463 - 476
Copyright
Copyright © Cambridge University Press 1982

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