English: Field photographs of Cornubian Batholith granites. A — Typical G1a granite with orthoclase phenocrysts (< 25 mm) from the Carnmenellis Granite. B — Enclave of G1c granite within G1a granite, St. Agnes, Isles of Scilly Granite. C — Cligga G2 Granite with sheeted W greisen veins. D — Coarse-grained porphyritic G3a granite with abundant orthoclase phenocrysts (> 25 mm) from the Dartmoor Granite. E — Globular quartz G4b granite from Carn Dean Quarry, Land's End Granite. F — Pegmatitic pocket dominantly comprising tourmaline, orthoclase and quartz within G3a granite, Land's End Granite. G — Typical topaz (G5) granite texture, equigranular with abundant Li mica, Tregonning Granite.

Mineral name abbreviations: Kfs = potassium feldspar, Bt= biotite, Msc = muscovite, Qtz = quartz, Tur = tourmaline, Mca = mica.

From: Simons, B.; Andersen, J. C.Ø.; Shail, R.K.; Jenner, F.E. (2017) "Fractionation of Li, Be, Ga, Nb, Ta, In, Sn, Sb, W and Bi in the peraluminous Early Permian Variscan granites of the Cornubian Batholith: Precursor processes to magmatic-hydrothermal mineralisation", Lithos, Volumes 278–281, Pages 491–512, Figure 2. https://doi.org/10.1016/j.lithos.2017.02.007