Alexandru Ioan Cuza UniversityFaculty of Geography and GeologyRomanian Database of Raman SpectroscopyRaman Data Search and Storage

Thin sections under microscope

Clasificare

Roci acide =====>=====>=====>=====>======>=====> Roci bazice
roci de suprafata;
afanitice;
str. hialina - hipocristalina; sticla vulcanica
Riolite alcali-feldspatice Riolite Dacite Dacite Andezite Bazalte Trahite alcali-feldspatice Trahite Fonolite
minerale prezente in ordinea crescatoare a abundentei lor Q
A
M: Bi, Ms, Px alc., Amf alc.
Q
A
P
M: Bi, Ms, Px, Amf
Q
P
A
M: Bi, Amf, Px
Q
P
M: Bi, Amf, Px
P
M: Amf, Px, Bi
P
M: Ol, Px, Amf
A
M: Bi, Px alc., Amf alc.
A
P
M: Bi, Amf, Px
A
F
M: Bi, Px alc., Amf alc.
roci de adancime;
faneritice;
str. holocristalina (cristale mari)
Granite alcali-feldspatice Granite Granodiorite Tonalite Diorite Gabbrouri Sienite alcali-feldspatice Sienite Sienite foidice