Özet:

In this study, based on Bolu-Gerede Kavacık site which forms a part of volcanics called Galatia Volcanic Complex between Ankara-Bolu, the suitability of basalts in the region to the industrial use areas was investigated. In the laboratory studies, a two-stage study was conducted on samples taken from locations considered appropriate in the scope of field studies. In the first stage, mineralogical and petrographic analyses of the samples were conducted. From the macroscopic properties of the samples, color, structure and texture, weathering, hardness, weathering property, polish acceptance and acid solubility were determined. Mineral contents, structure and texture, and granulations were determined from the microscopic characteristics. The results of this analysis were evaluated together with geochemical analysis results. In the second stage, density, dry unit weights, water absorption by weight-volume, porosity, frost resistance, methylene blue, and uniaxial compressive strength tests were conducted from the physico-mechanical characteristics of the samples. According to the results, Gerede-Kavacık basalts are suitable for use on a certain scale as block-stone in sea embankment with its natural stone state, as facing stone and natural building stones in riprap construction and so forth, or in base slab, in siding, and as rock wool.

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