Most are likely kimberlites based on the distinct presence of blue ground, circular to elliptical depressions that are structually controlled, and most enclosing large, rounded boulders.

How to identify kimberlite. They typically range in size from 1 to 50 hectares. Analysis of new york state. Their mode of formation is only moderately understood because they have not been observed.

How do i find kimberlite? This means that total kimberlite occurrences are. Dark coloured heavy often altered and brecciated fragmented intrusive igneous rock that contains diamonds its rock matrix.

A kimberlite is a rock that is formed from magma that comes from the upper mantle of the to identify the minerals a low power (10x) hand lens is essential. The rock may have been injected into the areas of weakness in the mantle. Kimberlite presence in the watershed.

Has porphyritic texture with large often rounded crystals phenocrysts. There have only been approximately 6,400 kimberlites identified on the planet. These igneous stones come from molten magma and are mostly found on the soil’s surface.

Conducting experiments at high pressures and temperatures, looking at melt inclusions found. South african diamond bearing kimberlite pipes are black. There are many different ways to try to determine the primary melt composition:

One “almost” sure way is to do chemical analysis of rivers looking for chromium and magnesium anomalies.