This manual describes some of the most important features that should be observed, recorded and analysed in the field interpretation of gneiss terrains. However, every outcrop is unique, and unforeseen problems will be encountered. Increasing experience will make it easier to solve these problems but will also enable the detection of further subtle complexities. In this section we present examples of some commonly encountered phenomena that may easily be misinterpreted. These are followed by a series of exercises in the form of outcrop maps and photographs.
KeywordsPorosity Quartz Zircon Geochemistry Recrystallization
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