Description :
Folding of an early Bt+Sil schistosity (S1) produced open to isoclinal folds (F2) with no axial planar schistosity. Uniform extinction of quartz and unkinked sillimanite perpendicular to the axial planar surface indicate recrystallization following folding (sillimanite ± K-feldspar zone; 09SRB-D056A)
Photographe :
Hamilton, B
Collection :
Centre d'information sur les sciences de la Terre (SST)
Haute-résolution :
0.01 MB
120x90 pixels
72 ppi (jpeg)
Géographie :
12; Baffin Island, Cumberland Peninsula; 2012-058.jpg