How To Identify Kimberlite Rock. A blog about how to find diamond deposits, where to find rough diamonds and finally, how to identify rough diamonds and their host rocks (i.e., kimberlite, lamproite and lamprophyre). A few minerals, such as magnetite and pyrrhotite, are attracted by a magnet and are said to be magnetic.
As an example, search for the sloan 5 kimberlite in colorado on google earth at the following coordinates: Core drilling is based on a diamond coated drill bit that bores into the rock to provide sections of solid rock.
Anywhere You Find Kimberlite Blue Clay Deposits It Is
Craton is a word that is used to describe the oldest and most geologically stable portions of a continent. Diamonds crystallize in the mantle well below the crust but they are carried up into the crust by the rising kimberlitic magma.