Canteras Olaspe Markina Black Marble (Markina-Xemein)

Material that we want to extract in Quarry is classified and measured, obtaining perfectly squared blocks and commercial dimensions necessary for subsequent marketing.

The measures of blocks vary depending on the maximum utilization. The most common dimensions are 250 x 150 x 120 even reaching the three meters long and two high.

It is also possible to dimensions depending on the type of custom special.

The extraction is done by cutting with diamond wire of benches of about twelve meters long and three meters in height which subsequently subdivided for extraction of blocks of trade measure.

He then proceeds to washing and classification of the material depending on the color and grain.