[[File:Neutron porosity gamma-ray intensity crossplot.svg|upright=1.35|thumb|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''',<ref name=":0">{{Cite book |last=Howarth |first=Richard J. |url=http://link.springer.com/10.1007/978-3-319-57315-1 |title=Dictionary of Mathematical Geosciences: With Historical Notes |date=2017 |publisher=Springer International Publishing |isbn=978-3-319-57314-4 |location=Cham |language=en |doi=10.1007/978-3-319-57315-1|bibcode=2017dmgh.book.....H }}</ref> is a type of plot used in Earth science to describe relationships for two or more variables.<ref>{{Cite journal |last1=Rasaq |first1=B |last2=Igwenagu |first2=Cl |last3=Onifade |first3=Ys |date=2015-10-08 |title=Cross plotting of Rock Properties for Fluid and Lithology Discrimination using Well Data in a Niger Delta Oil Field |url=http://www.ajol.info/index.php/jasem/article/view/123172 |journal=Journal of Applied Sciences and Environmental Management |volume=19 |issue=3 |pages=539 |doi=10.4314/jasem.v19i3.25 |issn=1119-8362|doi-access=free }}</ref> Most plots referred to as cross-plots are scatter plots,<ref name=":0" /> but combinations of different charts and diagrams can be common (e.g. histograms).<ref>{{Cite journal |last1=Cao |first1=Maojun |last2=Gao |first2=Zhiyong |last3=Yuan |first3=Ye |last4=Yan |first4=Zhao |last5=Zhang |first5=Yihong |date=2022-04-01 |title=A Visualization and Analysis Method by Multi-Dimensional Crossplots from Multi-Well Heterogeneous Data |journal=Energies |language=en |volume=15 |issue=7 |pages=2575 |doi=10.3390/en15072575 |doi-access=free |issn=1996-1073}}</ref> The axes of the plot are commonly linear, but may also be logarithmic.<ref>{{cite web |title=crossplot |website=Energy Glossary |url=https://glossary.slb.com/en/terms/c/crossplot |access-date=2023-01-27}}</ref>
Cross-plots are used to interpret geophysical (e.g., amplitude versus offset analysis), geochemical, and hydrologic data.
==References== {{Reflist}}
Category:Plots (graphics) Category:Geological techniques
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