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Nodular calcrete from the Lower Permian Korpád Sandstone Formation (borehole Dinnyeberki 9015, Mecsek Mts, Hungary) and its palaeoenvironmental significance

Varga, Andrea and Raucsik, Béla and Bajnóczi, Bernadett (2013) Nodular calcrete from the Lower Permian Korpád Sandstone Formation (borehole Dinnyeberki 9015, Mecsek Mts, Hungary) and its palaeoenvironmental significance. FÖLDTANI KÖZLÖNY, 142 (4). pp. 375-378. ISSN 0015-542X

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Abstract

The Korpád Sandstone in the 9015 drill core (Mecsek Mts.) consists of red mudstones and interbedded calcrete crusts with sandstones and conglomerates. Calcrete microfabrics reveal micritic mottles, rhizocretions, smaller root casts and Microcodium-like aggregates. These features together with the mineralogy suggest a relatively dry climate with low amount of rainfall (100–500 mm/year) during pedogenesis. Calcite cements are interpreted to have precipitated first in an oxidizing meteoric environment; then, after initial burial, under reducing conditions.

Item Type: Article
Subjects: Q Science / természettudomány > QE Geology / földtudományok > QE05 Historical geology. Stratigraphy / Földtörténet, rétegtan
Q Science / természettudomány > QE Geology / földtudományok > QE06 Petrology. Petrography / kőzettan, petrográfia
Depositing User: Dr Andrea Varga
Date Deposited: 06 Jan 2014 12:52
Last Modified: 06 Jan 2014 12:52
URI: http://real.mtak.hu/id/eprint/8376

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