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Trachyandésite latitique (dôme du Puy Mary - Cantal)

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Trachyandésite latitique (dôme du Puy Mary - Cantal)

By Yvan

December 17, 2006
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https://www.geoforum.fr/gallery/image/171-trachyand%C3%A9site-latitique-d%C3%B4me-du-puy-mary-cantal/

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Trachy-andésite à phénocristaux d'oligoclase, de sanidine, de hornblende. La pâte est composée de sanidine et de 10 % de tridymite. Structure microlitique. (3 cm x 5 cm env.)

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From the album:

Roches volcaniques : photos de produits de volcans français

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Photo Information

Taken with Canon Canon PowerShot A95
Focal Length 7.8 mm
Exposure Time 1/800
f Aperture f/8.0

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https://www.geoforum.fr/gallery/image/171-trachyand%C3%A9site-latitique-d%C3%B4me-du-puy-mary-cantal/

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