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diagenesis
(redirected from diagenetic)

    Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.01 sec.

diagenesis

Sum of all processes, chiefly chemical, that produce changes in a sediment after its deposition but before its final lithification. Usually, not all the minerals in a sediment are in chemical equilibrium, so changes in interstitial water composition or in temperature or in both will lead to chemical alteration of one or more of the minerals present. Diagenesis is considered a relatively low-pressure, low-temperature alteration process that involves such processes as cementation, reworking, replacement, crystallization, and leaching.



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Sedimentary Iron formations (BIF) A A deposits Oolitic iron A A Sedimentary phosphates K K Manganese deposits A A Barite in black shales K K Diagenetic Copper in pelites K A deposits Uranium sandstones K K Discordant uranium A ?
Economic geology: then and now by Jebrak, Michel / Geoscience Canada
Unconformity uranium deposits are typically associated with fault systems and are usually formed as a result of diagenetic and hydrothermal processes.
Titan Uranium Exploration Begins Trading on TSX Venture Exchange by Business Wire
The burrow mottles became dolomitized later in the diagenetic process, as magnesium-rich fluids were able to pass through them, but not through the surrounding material (Kendall, 1977; Coniglio, 1999; Gingras et al.
Geology of the Parliament Buildings 5: Geology of the Manitoba ... by Young, Jeff / Geoscience Canada
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