The majority of the pegmatites plots away the normal granite craze. Ratios of K/Rb vs. Cs (see [73] ) are fantastic proxies To judge the K-Rb and K-Cs substitution in potassium feldspar and micas throughout the bulk samples. The granites vary from the granitic pegmatites by obtaining significantly decrease Rb, https://thomast123viu9.theobloggers.com/profile