Marble Quality Designation

The city of massa in particular saw much of its plan.

Marble quality designation.

In the 17th and 18th centuries the marble quarries were monitored by the cybo and malaspina families who ruled over massa and carrara. We then design and optimize your grinding and grinding circuit for throughput and recovery. Ask for the marble s complete name. Also ask for the marble s hardness factor.

Thassos aaa for example is a higher quality of stone than standard thassos. Bqd 100 σ s 1m l where s is the. Mining rock quality designation rqd sgs s approach is to understand the variability in your deposit and map it using proven grindability technologies such as rock quality designation rqd. If a stone has a high hardness factor yet seems to have fiberglass resin fill or fissures this is a poor quality tile of that stone.

Carrara marble has been used since the time of ancient rome and it was called the luni marble. The family created the office of marble in 1564 to regulate the marble mining industry. Rock mass block quality designation bqd has been proposed as the ratio of the total length of the scan trace line length to the cumulative length of the discontinuity spacing and or borehole core length equal to and or greater than 1 m as percentage. 6 rock mass blok quality designation.