Digitale Medien
Springer
Contributions to mineralogy and petrology
6 (1959), S. 299-319
ISSN:
1432-0967
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Geologie und Paläontologie
Notizen:
Abstract Two lamprophyre-diabase associations on the south coast of Norway are described. The lamprophyres and the diabases contain feldspathic leucocratic segregations in the shape of ocelli, ocellar pipes, sheets, or irregular veins and schheren. The origin of the lamprophyres is considered to be related to the formation of the leucocratic segregations. It is believed that the behaviour of alkaline volatiles under the influence of tensional stress and gravity accounts for the differentiation.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF01150419
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