Electron-microprobe analysis of garnet from a tonalite and aplite-pegmatite and pegmatite veins cutting different lithologies from an area located in the Ossa-Morena Zone, southern Portugal, show distinct compositions, mainly andradite with a subordinate grossular component in tonalite, and predominantly spessartine with a subordinate almandine component [and rarely, of mainly almandine with a subordinate spess...
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