mineral chemistry of a calcic skarn from Al-Madhiq, SW Saudi Arabia Zulfiqar Ahmed, Mustafa M. Hariri Department...Petroleum and Minerals, Box 5070, Dhahran-31261, Saudi Arabia Abstract A newly identified skarn occurrence...shield. It is exposed to the SE, E and NE of the Al-Madhiq town. The skarn attributes correspond to those...other major shear zones. Samples from the studied area contain characteristic skarn minerals that include...albite-oligoclase, scapolite), and retrograde (epidote, quartz, hornblende, calcite) assemblages. The |