Sanidine and pyroxene hornfels, Gracze, Niemodlin commune, Opole District, Opolskie, Poland
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|Location is approximate, estimate based on other nearby localities.|
|Latitude & Longitude (WGS84):||50° North , 17° East (est.)|
|Margin of Error:||~3km|
|Köppen climate type:||Cfb : Temperate oceanic climate|
Sanidine and pyroxene hornfels, HT contact and hydrothermal alteration of Cretaceous marls and sandstones by Tertiary nepheline basanite.
9 valid minerals.
Rock Types Recorded
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- W. Szeliga, Mineralogical Society of Poland, Special Papers, 2004, V 24, 369-372.