Abstract

16–19 September 1974 Engineering Group Regional Meeting (Liverpool)

1 October 1974 Geological Information Group Meeting

Information flow in the natural resources industries

2 October 1974 Ordinary General Meeting

Intrusive sheet swarms and the identity of crustal layer 3 in Iceland. G. P. L. Walker.

A new concept of the evolution of the British Tertiary intrusive centres. G. P. L. Walker.

Sedimentation and Tectonlsm (Permo–Trias) on W margin N Minch basin of Stornoway. R. Steel & A. Wilson.

These papers are scheduled for the March 1975 issue of the Journal.

24 October 1974 Hydrogeological Group Meeting

The Scope of Hydrogeology

30 October 1974 Ordinary General Meeting

Initiation and Growth of East Antarctic Ice Sheet. D. J. Drewry.

Permian Beds of offshore and adjacent coastal areas of Durham and Northumberland. D. Magraw.

The geological results of seismic refraction surveys in the Bristol Channel, 1970–1973 M. Brooks & D. G. James.

These papers are scheduled for future issues of the Journal.

5 November 1974 Geological Information Group Meeting

Geological Information Structure

6 November 1974 Volcanic Studies Group Meeting

Volcanology research in progress: a discussion meeting

Larvikites of the Oslo Province, Norway I.G. Meighan.

The larvikitic syenites of the Permian Oslo Province are cumulates exhibiting steep igneous lamination (45°–90°) with occasional parallel, small-scale rhythmic layering. In the large, southernmost larvikite complex, these structures dip inwards, and were formed by convective circulation of magma in a subvolcanic reservoir. Major cryptic layering is absent, and internal contacts indicate several injections of magma,

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