Browse Items (2 total)

Hand Specimen Buff coloured rock.Almost pure quartz, which has been very well recrystallised.Faint banding could be original bedding. Thin-section Fine to medium grained recrystallised quartz with sutured contacts. Rock History The sutured…

Hand Specimen Strongly developed planar fabric made up of platy biotite mica and muscovite mica grains and lenses of quartz grains. Fabric wraps around large, euhedral garnets, typically ~2mm across. Quartz, the most soluble mineral, has…