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* Dissolution (leaching) Cementation destroys pore space; grain leaching creates it. Compaction decreases porosity through grain rearrangement, plas

...velops over the tidalflat laminites as they are subaerially exposed. Minor leaching occurs in the subtidal sediments as the result of an influx of meteoric wat ...e change in flow character is a result of plugging intergranular pores and leaching that widens joints and turns vugs into caves.

...span = 2 | Leached (secondary) [[porosity]]: Form as a result of localized leaching of nonreservoir-quality rock to create enhanced porosity and [[permeability

...resulting from low permeability, promote cementation; rapid fluxes promote leaching. In rapid fluxes, solutes do not remain in pore spaces long enough to build

* Intense leaching/cementation (and sometimes dolomitization) possible because stillstands rep

...as flowing water moves chemical components through pores and causes either leaching or cementation of grains. Diffusion also moves chemicals in and out of rock

...es nature according to Von Engeln 1942 an underground passageway formed by leaching and erosion by the flow of groundwater or underground Form the rest of diss Mogote is a steep hill which is the residual leaching and erosion, generally surrounded by alluvial plains were nearly flat (flat

...crop] samples should be unweathered and “clean” to avoid contamination and leaching. Megafossils, which can be collected in many outcrop sections, may define t

...ble to dissolution. Caves may form with prolonged exposure. Distinguishing leaching in the vadose solution zone from solution in the freshwater phreatic zone i

...nite (for example, supratidal crusts from Florida and the Bahamas) by slow leaching in acetic acid resulted in only slight concentration of the dolomite by sel

...tigraphic trap is formed after deposition processes and diagenesis such as leaching and cementation but The main is unconformity.

...and boundstones of the reef edge as reservoir rocks. However, selective [[leaching]], [[dolomitization]], and [[karst]]ing can significantly alter the [[perme

...he primary rock texture will often then be overprinted by postdepositional leaching, replacement, and cementation to form an even more complex pore network.<re

...f East Africa. However, volcanic mountains are usually rich in iodine; but leaching in the lee sides of high-altitude areas has caused acute depletion of the i ...oxins and heavy metal to be drawn in through electrical attraction without leaching away any of its beneficial elements. This phenomenon prevents toxic molecul

...nalysis in both the Terry and Hygiene sandstones<ref name=PortWeim1982 />. Leaching of calcite cement and calcite-replaced grains and matrix and dissolution of