1. Their composition includes amphibolites , quartz feldspar, Phyllites and slate. 2. The Incapillo ignimbrite contains xenoliths with sizes of formed by amphibolite . 3. Eclogite may completely retrogress to amphibolite or granulite during exhumation. 4. This terrane is formed by amphibolite , gneiss, migmatite and schist. 5. Amphibolite , chlorite, and pyrite are found in a significant portion.6. Amphibolites need not be derived from metamorphosed mafic rocks.7. Garnet is also sourced commonly from metamorphic rocks, such as amphibolite schists. 8. But there are also lens shaped bodies consisting of eclogite and garnet amphibolite . 9. Hanging wall rocks at the Nalunaq Mine are Paleoproterozoic amphibolite -facies metavolcanics. 10. East of the lakes are dark amphibolite , orthogneiss and mica quartz schist.
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