Author: Hugh Rollinson
Last saved by: Tamzin Anderson
Company: Hewlett-Packard Company

Rollinson & Whitehouse, Zimbabwe Zircons

Supplementary data file 2. Summary of sample localities.

Sample | Location,  Map sheet & Grid Ref | Field relationships | Mineralogy
Zimbabwe Craton – felsic gneisses

97-11

Zaka
2031A4 396490  
500 m north of Chiredzi river bridge, road cut on west side

Sample taken from pink phase in migmatitic gneiss; this pink phase is intrusive into an older grey phase.

Quartz, plagioclase, microcline, biotite, accessory zircon

97-46

W Nicholson
2129A2 523640 
east side of road, 7 km south of West Nicholson

Banded gneiss with white veins + grey phase. Sample taken from banded phase.

Quartz, plagioclase, microcline, biotite, accessory Fe-Ti oxides, muscovite, epidote, zircon

Limpopo Belt - NMZ Granulites

97-9

Manjirenji Dam – Granite
2031D1 551189
Below dam wall at spillway.

Banded gneiss. Bands 10-20 cm wide of biotite-rich quartzofeldspathic  units and pink-white granite with garnet. Granite - possible partial melt of pelite.
Sample from garnetiferous granite band

Quartz, mesoperthite alkali feldspar, plagioclase, garnet with accessory Fe-Ti oxides, monazite and zircon.

97-10

Manjirenji Dam Tonalite
2031D1 552183 
Manjirenji Dam Quarry

Dark, fine to medium grained homogeneous tonalite with darker, coarser grained bands. Classical NMZ enderbite.

Quartz, plagioclase, orthopyroxene, biotite with accessory Fe-Ti oxides, apatite and zircon

97-12

Lundi cutting Tonalite
2030D4 686887 
Lundi cutting, about 500 km north of bridge.

Dark, medium grained homogeneous granulite.
Classical NMZ enderbite

Quartz, plagioclase, orthopyroxene, biotite with accessory Fe-Ti oxides, apatite and zircon

97-43

SE of Inyala
2030C3 008823
Edge of Inyala pluton.

Felsic gneiss with strong fabric

Quartz, plagioclase, retrogressed orthopyroxene, biotite with accessory Fe-Ti oxides, apatite and zircon

97-47

Makado,
2129B3 820255 
By marker peg 228 km. Boulder in west side of road.

Two phase banded gneiss. Retrogressed granulite ? Homogenous medium grained grey phase cut by coarse grained pink phase containing clots and bands of amphibole. This sample is the grey phase.

Quartz, plagioclase microcline, biotite, hornblende accessory chlorite, sphene, apatite, Fe-Ti oxides, zircon