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      Estudio petrográfico del yacimiento de caliza presente en el municipio de la Paz, departamento del Cesar Translated title: Petrographic study of the limestone deposit in the municipality of la Paz, department of Cesar

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          Abstract

          En el cerro del municipio de La Paz, departamento del Cesar, afloran secuencias estratigráficas de rocas sedimentarias carbonatadas con delgadas intercalaciones de shales y venillas de calcitas pertenecientes al grupo Cogollo. Con la finalidad de conocer la composición mineralógica de las calizas aflorantes, las condiciones paleoambientales y su uso industrial, se procedió a un estudio de geología de superficie, que consistió en la descripción litoestratigráficas de las rocas aflorantes, apiques y toma de muestras in situ. En total se recolectaron 6 muestras (LP-1, LP-2, LP-3, LP-4, LP-5, LP-6) a lo largo del cerro, de las cuales se tomaron 4 para realizarles estudios, a dos se le practicaron análisis petrográficos en los laboratorios de petrografía y a los dos restantes análisis de difracción de rayos X. Los resultados de los estudios permitieron establecer que se formaron en dos ambientes marinos, uno nerítico y otro batial, dando origen así a calizas biomicriticas, micriticas y dismicritas, cuantitativamente y cualitativamente están constituidas por carbonatos de calcio 95%, sílice 0,6%, amorfos y otros 4,40%. Según Las normas NTC 5163 (ICONTEC) por traducción a la norma ASTM C 51-02 y NTC 4915 (ICONTEC) equivalente a la referencia ASTM C 911-99, estas calizas son aptas para la fabricación de cemento y agregado pétreos

          Translated abstract

          On the hill in the municipality of La Paz, César, outcrop stratigraphic sequences of sedimentary carbonate rocks interbedded with thin shales and calcite veinlets belonging to the Cogollo group. In order to know the mineralogical composition of the outcropping limestone, paleoenvironmental conditions and industrial use , we proceeded to a study of surface geology , consisting of lithostratigraphic description of the exposed rocks , apiques and sampling site in a total of 6 samples ( LP-1 LP-2 LP- 3 LP-4 LP-5, LP-6) along the hill, which were taken 4 to go forward for studies, two of this 4 sample were selected for petrographic analysis practiced in laboratories petrographic analysis and the remaining two for X-ray diffraction. The results of the studies allowed to establish that the hill were formed from two marine environments , one neritic and the other bathyal, thus giving rise to biomicriticas limestone, micritic and dismicritas quantitatively and qualitatively are composed of 95 % calcium carbonate , silica 0.6% amorphous and others 4.40% . The NTC 5163 (ICONTEC) translation rules to the standard ASTM C 51-02 and NTC 4915 (ICONTEC) equivalent to reference ASTM C 911-99, these limestones are suitable for the manufacture of cement and stone aggregate

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          Most cited references23

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          International Centre for Diffraction Data

          (2004)
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            Geology of Maracaibo basin, Venezuela

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              Suggested nomenclature and correlation of geological formations in Venezuela

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                prosp
                Prospectiva
                Prospect.
                Universidad Autónoma del Caribe, Facultad de Ingeniería (Barranquilla )
                1692-8261
                July 2014
                : 12
                : 2
                : 82-89
                Affiliations
                [1 ] Fundación Universitaria del Área Andina Colombia
                Article
                S1692-82612014000200009
                10.15665/rp.v12i2.292
                3b9d5ef2-9c38-4353-bd40-d05a4cacf6ec

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=1692-8261&lng=en
                Categories
                SOCIAL SCIENCES, INTERDISCIPLINARY

                Sociology
                Limestone,X-ray difraction,Facial analysis,Petrography,Caliza,Difracción de rayos X,Análisis facial,Petrografía

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