SI-SE RELATIONS OVERVIEW
ROTATION, SI TRAILS AND SE
Pre-tectonic
The inclusion pattern is random, indicating no foliation at time of blastesis
and the younger foliation may be deflected around the porphyroblast.
inter-tectonic
1. The inclusions are aligned according to a foliation that was overgrown by the blast
2. The inclusion pattern bears no relation with the foliation outside the porphyroblast
3. The younger foliation may be deflected around the porphyroblast
4. Inclusion trails and outside foliation are discontinuous
Syntectonic
1. Inclusion trails and outside foliation are continuous
2. Inclusion pattern and outside foliation are similar, but inclusion trails may preserve outside foliation in an early stage of development.
3. Gradual transition of pattern and orientation of inclusion trails from core to rim of porphyroblast
4. Orientation of inclusion trails in core of porphyroblast may have different orientation due to rotation of porphyroblast during its growth (eg 'snow-ball garnets')
5. Possible deflection of foliation outside porphyroblast
Posttectonic
1. Inclusion trails and outside foliation are completely continuous and similar
2. No deflection of foliation outside porphyroblast