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BADENIENE TUFFS OF THE SLANIC MOLASSE (EXTRA-CARPATHIAN ROMANIAN AREA) - DEPOSIT FOR CEMENT INDUSTRY AND PROTECT AREA

Roxana Magdalena Fechet

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s01.101View metrics

Abstract

The Globigerina–bearing Tuffs and Marls are deposits included in the Slanic Molasse. Several formations can be separated within these deposits some of the units maintaining remarkable lithofacial consistency, so that they can be recognized in the entire out – cropping area of the Carpathian Molasse. Th e Globigerina–bearing Tuffs and Marls has been described and separated by V. Marutiu under the name of the “Slanic Tuff”[1] . The most spectacular exposures of this formation occur at Piatra Verde near Slanic Prahova. In Piatra Verde, “Slanic Tuff” is about 80m thick and consists of compact, hard tuffs developed in 0,5-2,0m thick beds. Their color is white to green – blue, often showing brown alterations. Piatra Verde marls and tuffs have yielded a planktonic foraminifer assemblage with: Globigerina bulloides, G. scitula, G. timida, Globigerinoides trilobus, G. conglobatus, s.a.[2]. By their pozzolanic propertie s, badeniene tuff, zeolite of deposit Piatra Verde, can substitute cement clinker, in certain proportions. Cements type obtained using investigated pozzolana rocks in rations of up 15-20% correspond to the requirements in the norms and classify into the resistance class 32,5 R[4]. Performing of a preservation and protection area of green tuffs was based on economical development in correlation with environment. More factors were analyzed beginning with quarry importance for cement plants from whole extra-Carpathians area.

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Publication details

Title
BADENIENE TUFFS OF THE SLANIC MOLASSE (EXTRA-CARPATHIAN ROMANIAN AREA) - DEPOSIT FOR CEMENT INDUSTRY AND PROTECT AREA
Authors
Roxana Magdalena Fechet
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
Keywords
Badeniene tuffspozzolaneclinkerprotect area
References5

  1. Mutihac V., Stratulat M.I., Fechet R.M., Geology of Romania, EDP Romania, pp 123-130, 2010

  2. Fechet R.M., The Geology of Slanic Prahova - Alunis area and relations between geostructure - morphostructure – environment, Doctoral Thesis, 2003

  3. SR. 3838-10: Natural and artificial puzzola nic materials. Physical and chemical characteristics, 1998, I.R.S.

  4. SR EN 197-1: Composition, specificatio ns and conformity criteria for common cements, 2002, ASRO

  5. Studies and researches performed at CEPROCIM S.A. in the period 1996-2003.

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