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In the volcanic-sedimentary sequence (teschenite association, Outer Western Carpathians), layers of very fine-grained sediment with an extremely high microcline content (up to 80%, the rest is...
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Microscopic examination of a sample of low cretaceous igneous rock (alkaline bazaltoid or monchiquite?) revealed this foaming in the older generation of apatite (see photo). The central parts of...
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