Diagenetic fluorite in chalks from Stevns Klint and Møns Klint, Denmark
1986; Elsevier BV; Volume: 46; Issue: 3-4 Linguagem: Inglês
10.1016/0037-0738(86)90065-5
ISSN1879-0968
Autores Tópico(s)Geochemistry and Elemental Analysis
ResumoSmall quantities of fluorite occur as sand- and silt-sized material in a Cretaceous/Tertiary chalk-marl-limestone sequence at Stevns Klint and in a Lower Maastrichtian Chalk sequence at Møns Klint, Denmark. The habit of the fluorite is either hexahedral or irregular. The fluorite grains enclose calcite particles that commonly have a parallel optical orientation. On the basis of morphology and inclusions, it is suggested that the fluorite is diagenetic, having formed by replacement of skeletal grains.
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