Marble Thin Section Minerals

Geol209 intensive school day 2 lecture 2 properties of minerals in thin section follow une geoscience on facebook.
Marble thin section minerals. Properties rock group metamorphic metamorphism type regional metamorphic rock class carbonate protolith limestone common minerals calcite dolomite micas marble in hand sample for some reason we have no images of just plain marble. Identification tables for common minerals in thin section these tables provide a concise summary of the properties of a range of common minerals. Biotite metaluminous granite showing a close up of one crystal. Rock forming minerals of metamorphic rocks in thin section a work in progress 1 olivine.
Basalt in thin section in xpl with phenocrysts of plagioclase feldspar and pyroxene mostlikely opx. This means that biotite in standard thin sections rarely goes completely extinct. Within the tables minerals are arranged by colour so as to help with identification. The first is extremely fine with signs of dynamic recrystallization and the second exhibits texture and mgs similar to those of carrara marble.
We re working on that. Plane polarised light width of view 2 5 mm. If a mineral commonly has a range of colours it will appear once for each colour.