Do you know all of conditions for formation of bentonites?

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Harald G. Dill

Bentonite is a clay consisting mainly of smectite minerals regardless of its origin.

Magmatic origin:

1.Smectite-(kaolinite-allevardite-quartz-chalcedony) (bentonites) in acidic and intermediate volcanic and pyroclasticrocks

2.Smectite(plus zeolite) in ophiolites and intermediate to acidic igneousrocks

Sedimentary origin:

1.Smectite with kaolinite and christobalite in bentonites on igenous and non-igneous parent rocks

2.(Li) smectites in salars and inland playas

Smectites only doem under supergene and hypogene/hydrothermal conditions but not under metamorphic ones.

HGD

Kamil Kasprzak

In what context would you like to know more about bentonite? The basic information was written above by Mr. Herlad G. Dill. Bentonite is used in many areas of life from the metallurgical industry, through drilling both oil and HDD, ending with the wide use of bentonites in cosmetics. When it comes to the use, hydration process and general concepts regarding bentonites in drilling, I will be happy to help, especially with applications related to Horizontal Directional Drilling. Best regards