keywords: clays, geophagic, protolith, provenance and granites
This research focuses on geochemical and mineralogical compositions of geophagic clays from Terminus and New Market, Jos, northcentral Nigeria. A total of four (4) geophagic clay samples were collected with two (2) samples each from Terminus and New markets. The geophagic clays were subjected to X-ray fluorescence spectrometry (XRF) and X-Ray diffraction (XRD) analyses. The elemental compositions of geophagic clays shows that Fe ranges from 3.55 to 5.18 wt%, Cr varies from 605.70 to 631.70 ppm, Sr ranges from 501.30 to 717.50 ppm, Mn varies from 0.88 to 3630.00 ppm, Rb varies from 74.80 to 164.70 ppm, Nb varies from 141.80 to 181.70 ppm, Ta ranges from 20.00 to 37.75 ppm, Th varies from 67.20 to 81.60 ppm and Sn ranges from 175.90 to 227.70 ppm respectively.