[R] micro-XRF map visualization using ggplot2 I obtained compositional maps of my rock sample (thin-section/chip/slab) using micro-XRF ( Bruker ).  It is the c…

Pacific center bathymetric/global map using R I learned how to create the bathymetric map using R ( HERE ). This time, I try to make a Pacific-centered map. …

The relationship between the Fo content of olivine  and the Cr/(Cr+Al) atomic ratio (=Cr#) of spinel in spinel peridotites (Arai, 1997) is often used for discr…