Cross-plot

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File:Neutron porosity gamma-ray intensity crossplot.svg
Example of a cross-plot used in petroleum geology for the interpretation of water saturation and clay content using well log data

A cross-plot, also called crossplot or cross plot,[1] is a type of plot used in Earth science to describe relationships for two or more variables.[2] Most plots referred to as cross-plots are scatter plots,[1] but combinations of different charts and diagrams can be common (e.g. histograms).[3] The axes of the plot are commonly linear, but may also be logarithmic.[4]

Cross-plots are used to interpret geophysical (e.g., amplitude versus offset analysis), geochemical, and hydrologic data.

References

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