| 11. | No more than half the clay content should be expansive clays with the remainder non-expansive illite or kaolinite.
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| 12. | Illite was first described for occurrences in the Maquoketa shale in Calhoun County, Illinois, US, in 1937.
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| 13. | Generally, width of the diffraction peak can be related to c-axis parallel thickness of the illite crystallites.
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| 14. | Another example of the use of spectral gamma ray logs is to identify specific clay types, like Kaolinite or Illite.
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| 15. | Among the projects Speed worked on during this era was the unreleased record " Inside Out " by iLLite.
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| 16. | Illite crystallinity is useful when trying to determine what type of metamorphic conditions a rock was subjected to during its formation.
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| 17. | If the illite crystallinity is > 1.0, it corresponds with a metamorphic shallow diagenetic zone or zeolite facies.
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| 18. | I was on the Illite page and topic not found came up on the discution tab I put in the above text.
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| 19. | Other minerals, including gypsum, illite, kaolinite, and lepidocrocite also appear in coal balls, albeit in lesser quantities.
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| 20. | Other important reactions include the formation of chlorite, glauconite, illite and iron oxide ( if oxygenated pore water is present ).
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