Mezősi József and Klivényi Éva: Manganese minerals contained in the clay-minerals of Tokaj-Hegyalja. In: Acta mineralogica-petrographica, (11). pp. 29-42. (1958)
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Abstract
In Tokaj-Hegyalj a in the vicinity of Bodrogszegi and Füzérradvány manganes e •oxide minerals occur as brown spots an d patche s in the rhyolite-tuffs and rhyolite in the snow whit e clay minerals — a s well as along the cleavage fillings. The substanc e of these manganes e minerals is pyrolusite and psilomelane only in one •case, in tha t of the manganes e minera l separating first, it is a minera l association with a low oxidation grade containing MnO, Mn 3 0 4 and Mn0 2 . Th e substanc e of the clay minerals associated with th e manganes e occurrences consists of kaolinite, -halloysite, fireclay in Bodrogszegi an d in Füzérradvány of illite, montmorillonit e wit h a mixe d structure. The brown spot contained in the substance with a mixed structur e of Füzérradvány only contained Fe 2 0 3 without an y trace of Mn. It ma y b e assumed tha t the manganes e minerals contained in th e clay minerals — such occurrences wer e so fa r unknown — i. e. their examination will bring us neare r to th e recognition of the circumstance s unde r which the occurrence formed.
| Item Type: | Article |
|---|---|
| Journal or Publication Title: | Acta mineralogica-petrographica |
| Date: | 1958 |
| Volume: | 11 |
| ISSN: | 0365-8066 |
| Page Range: | pp. 29-42 |
| Language: | English |
| Publisher: | University of Szeged, Department of Mineralogy, Geochemistry and Petrology |
| Place of Publication: | Szeged |
| Related URLs: | http://acta.bibl.u-szeged.hu/39377/ |
| Uncontrolled Keywords: | Kőzettan, Ásványtan, Földtan |
| Additional Information: | Bibliogr.: p. 41-42. ; ill. ; összefoglalás angol nyelven |
| Subjects: | 01. Natural sciences 01. Natural sciences > 01.05. Earth and related environmental sciences |
| Date Deposited: | 2016. Oct. 17. 09:27 |
| Last Modified: | 2022. Jul. 21. 09:25 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/24435 |
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