Bulletin, Issue 34 |
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Common terms and phrases
Abra Dunkwa abundant active sediment sample adamellite Adamellite rocks albite amphibolite analysed appear bank soils batholith contact batholithic rocks beryllium biotite biotite granodiorite Birrimian schists Bosumadwi Bruku Bulletin 29 Cape Coast Cape Coast batholith Cape Coast Granite coarse pegmatites commonly contain beryl country rock crystals dark mineral deposits diopside dolerite Domiabra Ekroful exposures feet feldspar Field Sheet 26 fine-grained foliation GEOCHEMICAL PROSPECTING geochemical samples geological map Ghana grains granite granitic rocks granulite hills hornblende igneous intrusive Jedu villages 9 Kumasi Kwra laterite Lower Birrimian rocks Mankesim marginal medium-grained metasomatic microcline migmatites migmatitic rocks mineralisation molybdenum Mpesedadi muscovite Nickel and Arsenic occur Ochi river Ohiansheda panned concentrates parallel pegmatite outcrop pegmatites plagioclase porphyroblastic quartz rare reefs river Ochi roadside quarries rock types sandy clay schistose granodiorite segregation pegmatites simple pegmatites south-east sphene SSE-NNW staurolite stream terrace gravel texture tremolite tremolitite trend trondhjemites Wankaw xenoliths zone