How Do I Identify My Kimberlite

Kimberlites identification is a very important task for diamond mining. It has a porphyritic texture with large often rounded crystals phenocrysts surrounded by a fine-grained matrix groundmass.

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It has a porphyritic texture with large often rounded crystals phenocrysts surrounded by a fine-grained matrix groundmass.

How do i identify my kimberlite. One almost sure way is to do chemical analysis of rivers looking for chromium and magnesium anomalies. Kimberlite is the name given to a silica-poor and magnesium-rich extrusive igneous rock eg a volcanic rock that contains major amounts of olivine often serpentinized. How do I find kimberlite.

Identification of rough diamonds uses crystal form specific gravity hardness and other physical properties. South African diamond bearing kimberlite pipes are black. How do you tell if you found a diamond.

Uncut rough diamonds most often occur in kimberlite pipes in ancient cratons but may also occur in lamprophyre and lamproite dikes or ultra-high pressure metamorphic rocks. Kimberlite may occur in the field as dikes or pipes that crystallize near but below the surface. How do miners determine if a kimberlite pipe is worth pursuing.

Whether the bedrock should be drilled depends on their analysis of rock samples. In fact significant diamond deposits are so rare that many explorers are giving up. Ground prospecting relies on whats called KIMS or Kimberlite Indicator Minerals.

Kimberlite contains serpentine which glides in hands. Crush you rock 05 kg will be enough up to sand sizes and wash it in water look at youtube how make gold panning. This model proposed by Clement and Skinner 1979 relying on textural features identifies three genetic facies of kimberlite rocks.

Found is pipes where ancient volcanoes have erupted and been worn down to ground level. This method has two disadvantages. Kimberlites found to date are primarily diatreme facies with lesser hypabyssal facies.

Photogpaph obtained heavy concentrate. Once a list of the best targets is assembled grade analysis is done to find out if the kimberlite is sufficiently diamondiferous. World-wideFound on virtually every continent in the world.

Cations in the weathering solution have a strong effect on kimberlite weathering. Most diamonds are found in kimberlite pipes and few pipes yield enough diamonds to be worth the effort of mining them. Bedrock and kimberlites are masked by tens of meters of wind-blown sand but when you put a magnetic image over the same area you can clearly see the kimberlite pipes hidden below that sand cover.

Swelling clay content as a predictor of possible kimberlite behaviour. Once identified the only way to test the deposit for diamonds is to sample it a subject that Ill discuss next week. Kimberlite also called blue ground a dark-coloured heavy often altered and brecciated fragmented intrusive igneous rock that contains diamonds in its rock matrix.

Naturally occurring diamonds are mostly found in these kimberlite pipe deposits. But kimberlite magma itself was many times poorer in diamond than this eclogite. This is because of a poor understanding of mineralogy and because most people tend to see things that dont exist and let their imaginations run wild.

Also question is what type of rock is kimberlite. Kimberlite pipes are igneous stones or stones that formed from molten magma and can found under the surface of the soil. For now lets look at a few of the ways that kimberlite pipes are found.

The only hardness test that will identify a diamond is scratching corundum. Geologists do have a few tools at their disposal to locate and identify kimberlite pipes. Kimberlite or blueground properties and identification.

No other mineral other than gold seems to elude correct identification by prospectors and rock hounds. Determine whether the diamond was found near kimberlite pipes. If I do like this.

However given the relative complexity and cost of measuring swelling clay content by X-ray diffraction the CEC is the preferred parameter for practical use. Others were found by geophysics which led to the discovery of another group of kimberlite in the State Line district that were found with IMPUT. Many were initially found based on blue ground exposures vegetation anomalies KIMs mantle nodues an d depressions.

The diamond exploration process involves determining a precise search area by conducting regional sampling schemes and airborne geophysical surveys. It is a highly variable mixture of melt minerals crystallizing from the melt and foreign crystals and rock pieces. Kimberlite also called blue ground a dark-coloured heavy often altered and brecciated fragmented intrusive igneous rock that contains diamonds in its rock matrix.

It works only if put one value of Y before calculation means just fixed Y with a number but I have a vector of Y. Cross section of Colorado-Wyoming kimberlite. 1 Crater Facies.

In traditional way geologists draw upon past experience to do this work. First as the database increasing it becomes more difficult to do this work by. Kimberlite presence in the watershed where those anomalies are found is probable.

The surface morphology of un-weathered kimberlite Fig1 is characterized by a crater up to 2 km in diameter whose floor may be 150 to 300 m below the surface. Usually such concentrates from kimberlites are composed by black lustrous picroilmenite bright-red pyrope and green cromian diopside.

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