NJG49-2-02
1969
Interrupted creation of nepheline syenite pegmatite dikes in the Langesundsfjord area, S. Norway
49
2
145-157

Composite dikes with nepheline syenite pegmatite at the margins and soda minette in the centre, are described. The pegmatite dikes were in process of formation when the soda minette magma was emplaced. This magma mechanically replaced the material from which the pegmatite crystallized.

0029-196X
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