Lamprophyre dyke, Sancerre-Couy drilling, Cher, Centre, France
Ref.: Eur. J. Mineral. , 1993, 5, pp. 85-96.
Stephanian shoshonitic "minette" (lamprophyre) dyke in Hercynian metamorphic terranes.
Secondary mineral deposition in cracks due to a late saline fluid.
Mineral List:17 entries listed. 11 valid minerals.
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