Petrovariance
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Reason: no sources, much too short. - Jo 23:37, Dec. 9, 2008 (CET)
Under Petro variance is defined as the recognizable and possibly measurable differences in the layer structure of sedimentary rocks . It specifies the conditions for the resilience of rock (weathering resistance). This can depend on the following parameters:
- Facies
- Petrography
- Grain size
- Layering
- colour
- Banking u. a.
All of these rock properties can fluctuate within a narrow or wide range. Weathering and erosion work depending on the geogr. Location and climate out the details and peculiarities of petrovariance.
