Minerals: glaucophane  Wadi Hulw, Oman Minerals: glaucophane  Wadi Hulw, Oman Minerals: lawsonite Minerals: lawsonite Minerals: garnet (with glaucophane)  As Sifah, Oman
Minerals: omphacite  Western Gneiss Complex, Norway Minerals: omphacite  Western Gneiss Complex, Norway Minerals: aegirine-jadeite  As Sifah, Oman Minerals: aegirine-jadeite  As Sifah, Oman Tauern eclogite zone: DW0637  Kyanite, phengite and talc (with garnet)
Tauern eclogite zone: DW0637  Kyanite, phengite and talc (with garnet) Minerals: coesite  With narrow quartz rim, inclusion in garnet. Tso Morari (NW Himalaya) Minerals: coesite  With narrow quartz rim, inclusion in garnet. Crossed polars, sensitive tint plate. Tso Morari (NW Himalaya) Polycrystalline pseudomorphs after coesite Minerals: pseudomorphs after lawsonite  As Sifah, Oman
Minerals: pseudomorphs after lawsonite  As Sifah, Oman Minerals: magnesite (with talc)  Alpe Arami, Central Alps. UHP metamorphism. Inclusion pattern in large garnet  From Lago di Cignana, Zermatt- Saas zone, Western Alps Zonation of inclusion types in garnet  Core at lower left, with fine inclusions (high relief granules are titanite); amphibole dominates in central zone; rim zone with few inclusions at upper right edge. From Lago di Cignana, Zermatt- Saas zone, Western Alps Inclusions in garnet core  Distribution of incliusions appears to reveal the previous matrix texture, with sub-random pattern of laths. From Lago di Cignana, Zermatt- Saas zone, Western Alps
Lawsonite pseudomorph inside garnet  From Lago di Cignana, Zermatt- Saas zone, Western Alps. Composite inclusion of clinozoisite and white mica (most likely paragonite) Lawsonite pseudomorph inside garnet  From Lago di Cignana, Zermatt- Saas zone, Western Alps. Crossed polars, sensitive tint plate. Prograde sodic amphibole  As Sifah, Oman. Inclusion pattern in amphibole core mimics texture of original basalt. Post-tectonic glaucophane in eclogitic schist  As Sifah, Oman. Folded fabric defined by phangite and sodic pyroxene. Helicitic glaucophane is zoned towards more Fe-rich rims. Sesia Zone metagranitoids: rock A
Sesia Zone metagranitoids: rock A Sesia Zone metagranitoids: rock A Sesia Zone metagranitoids: rock A Sesia Zone metagranitoids: rock B1 Sesia Zone metagranitoids: D840  Jadeite, phengite, quartz, K-feldspar
Sesia Zone metagranitoids: D840  Jadeite, phengite, quartz, K-feldspar Sesia Zone metagranitoids: D840  Original myrmekite (Pl-Qz intergrowth replacing K-feldspar) in which plagioclase lamellae are replaced by jadeite Sesia Zone metagranitoids: D840  Original myrmekite (Pl-Qz intergrowth replacing K-feldspar) in which plagioclase lamellae are replaced by jadeite Zermatt-Saas meta-ophiolite DWWA1  Eclogite-facies association (garnet + omphacite) Zermatt-Saas meta-ophiolite DWWA1  Eclogite-facies association (garnet + omphacite)
Zermatt-Saas meta-ophiolite DWWA1  Coarse prisms of glaucophane superimposed on eclogite fabric (blueschist stage) Zermatt-Saas meta-ophiolite DWWA1  Glaucophane and white mica (paragonite) Zermatt-Saas meta-ophiolite DWWA1  Actinolitic rim on glaucophane porphyroblast Zermatt-Saas meta-ophiolite DWWA1  Actinolite, albite and epidote, greenschist stage. Tauern eclogite DW0640: post-tectonic clinozoisite
Tauern eclogite DW0640: post-tectonic clinozoisite Tauern eclogite zone: DW0641  Garnet in eclogitic schist. Note lawsonite pseudomorphs inside garnet. Tauern eclogite zone: DW0641  Garnet in eclogitic schist. Note lawsonite pseudomorphs inside garnet. Jadeite with breakdown to albite in fractures Minerals: jadeiteJadeite with breakdown to albite in fractures
Practical 4: PL14. Jadeite breakdown in fracture  Sesia Zone: jadeite breakdown Late amphibole in eclogite, Kaghan Himalaya  RGain:-34 BGain:96 AEC:1 AGC:1 AWB:1 Gamma:1 Exp:20.70mS Gain:1.00x LRGGB:153/153/149/149/142 Late amphibole in eclogite, Kaghan Himalaya Late amphibole in eclogite, Kaghan Himalaya  RGain:-28 BGain:90 AEC:1 AGC:1 AWB:1 Gamma:1 Exp:18.59mS Gain:1.00x LRGGB:158/158/152/152/143 Late amphibole in eclogite, Norway
Late amphibole in eclogite, Norway  Progressive replacement of omphacite (bottom to top) by 'bleb' amphibole, then by amphibole-bearing Cpx-Pl symplectite. Western Gneiss complex: omphacite breakdown  Omphacite rimmed by Amph+Pl and Cpx-Pl symplectites. Note also phengite laths breaking down to Bt + Pl. Western Gneiss complex: omphacite breakdown  Omphacite rimmed by Amph+Pl and Cpx-Pl symplectites. Note also phengite laths breaking down to Bt + Pl. Omphacite breakdown to symplectite Omphacite breakdown to symplectite
Western Gneiss complex: omphacite breakdown Western Gneiss complex: phengite breakdown Western Gneiss complex: phengite breakdown Western Gneiss complex: phengite breakdown Western Gneiss complex: phengite breakdown