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Table 1 Modal compositions (vol.%) and petrographic features of the selected samples, obtained by visual estimates

From: Zircon U–Pb geochronology of lower crust and quartzo-feldspathic clastic sediments from the Balagne ophiolite (Corsica)

Sample

Rock-type

Locality

Latitude and longitude

Pl

Amp

Zrn

Ap

 

Pl secondary transformation

Amp secondary transformation

GM1

Albitite

Moltifao slice

42º29′43″N 9º07′22″E

95

5

tr

tr

 

++

+++

Clasts (vol%)

Matrix (vol%)

Remarks

PP1

Quartzitic sandstone

Piana di Castifao

42º30′59″N 9º07′21″E

Qtz

Feldspars

Cc

20

15 vol% of Cc clasts are of organic origin

30

25

25

PC11

Quartzo-feldspathic breccia

Carnispola bridge

42º30′45″N 9º08′44″E

Qtz

Feldspar

Dark mica

50

 

20

25

5

  1. tr, <4%
  2. Extent of secondary transformation of plagioclase and clinopyroxene: +, ≤30%; ++, 30–90%; +++, ≥90%
  3. Mineral abbreviations after Kretz (1983)