b. Types of mining/drilling material : Has it been exploited : 7) Clay
Categories
Value
Category
0
1
Yes
2
Not yet
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Description
Definition
The business of mining / quarrying is the activity in the field of mining / quarrying such as: stones / pebbles, sand, lime, sulfur, kaolin, quartz, clay and other such as: coral stone, asphalt, gypsum, and limestone (class C).