TUFF BEARING OUTSTANDING VALUES OF POTASSIUM IN HAVANA - MATANZAS REGION. CHARACTERISTICS AND USE PERSPECTIVE
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Abstract
Associated to Chirino Formation, from the Cretaceous Volcanic Arc, there are several tuff deposits bearing significant contents of potassium (K2O> 1.32%) and exchangeable cations. Such tuffs were evaluated in order to define their mineralogical and petrographic characteristics, and the relationship to the tectonic and hydrothermal alterations (both the tuffs themselves, and the surrounding rocky complexes, in which the existence of mineral and medicinal waters is characteristic). The presence of potassium allowed mapping by radiometry. Thus, it was possible to specify values in the potassium channel featuring them. Also, this research aims to establish a pattern of geological, geophysical, hydrographic and relief aspects for those areas where this lithology is located, and its extrapolation to other regions with similar geological characteristics. According to the chemical composition, representative samples taken were tested as natural sources of potassium for fertilizers, with positive results.
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How to Cite
González Rodríguez, E. M. (2019) “TUFF BEARING OUTSTANDING VALUES OF POTASSIUM IN HAVANA - MATANZAS REGION. CHARACTERISTICS AND USE PERSPECTIVE”, INFOMIN, 7(1), pp. 2–10. Available at: https://infomin.edicionescervantes.com/index.php/i/article/view/65 (Accessed: 27 September 2026).
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