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Polarized Light Microscopy
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Rechercher un minéral, un micro-fossile ou une structure pétrographique
Petrographic Atlas
- Andalusite
- Amphibole
- Calcite
- Chlorite
- Chloritoid
- Cordierite
- Epidote
- Feldspar
- Feldspathoid
- Garnet
- Kyanite
- Lawsonite
Thin section videos
Leucite-nepheline basanite, Nyiragongo
Basanite enriched in foidic minerals reasulting from the flotation of leucite and nepheline in an undersaturated lava from Nyiragongo.
Leucite-nepheline basanite, Nyiragongo
Basanite enriched in foidic minerals reasulting from the flotation of leucite and nepheline in an undersaturated lava from Nyiragongo.
Andesite, Oligocene, Provence
Plagioclase phenocrysts, hornblende and diopside in a microcrystalline to hyaline groundmass with microcrysts of plagioclase, diopside and oxides (magnetite-imenite).
Andesite, Oligocene, Provence
Plagioclase phenocrysts, hornblende and diopside in a microcrystalline to hyaline groundmass with microcrysts of plagioclase, diopside and oxides (magnetite-imenite).
Andesite, Oligocene, Provence
Plagioclase phenocrysts, hornblende and diopside in a microcrystalline to hyaline groundmass with microcrysts of plagioclase, diopside and oxides (magnetite-imenite).
Andesite, Oligocene, Provence
Plagioclase phenocrysts, hornblende and diopside in a microcrystalline to hyaline groundmass with microcrysts of plagioclase, diopside and oxides (magnetite-imenite).
Staurolite mica schist
Staurolite porphyroblasts in a matrix of muscovite, biotite, quartz and feldspar.
Staurolite mica schist
Staurolite porphyroblasts in a matrix of muscovite, biotite, quartz and feldspar.
Staurolite mica schist
Staurolite porphyroblasts in a matrix of muscovite, biotite, quartz and feldspar.
Sillimanite mica schist
Aggregate of fibrous sillimanite (fibrolites) in a quartz and biotite matrix.
kyanite–garnet gneiss
Kyanite and garnet porphyroblasts in a granoblastic matrix of biotite, quartz and feldspar.
kyanite–garnet gneiss
Kyanite and garnet porphyroblasts in a granoblastic matrix of biotite, quartz and feldspar.
Andalusite hornfels
Andalusite crystals with graphite inclusions (chiastolite) in a fine matrix of biotite, quartz and graphite.
Andalusite hornfels
Andalusite crystals with graphite inclusions (chiastolite) in a fine matrix of biotite, quartz and graphite.
Spinel lherzolite
Lherzolite with equigranular texture and olivine – diopside - enstatite – spinel assemblage.
Spinel lherzolite
Lherzolite with equigranular texture and olivine – diopside - enstatite – spinel assemblage.
Spinel lherzolite
Lherzolite with equigranular texture and olivine – diopside - enstatite – spinel assemblage.
Contacts
Lithothèque ENS de Lyon
Département des sciences de la Terre
ENS de Lyon
46 allée d'Italie
69007 Lyon
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