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Manzaz volcanic field

Manzaz Volcanic Field

Campo vulcanico · Algeria · 1672 m

This NASA Landsat false-color image shows small scoria cones and lava flows of the Manzaz volcanic field in the Hoggar (Ahaggar) volcanic district of Algeria. The volcanic field covers an area of 1,500 km2, overlying Precambrian metamorphic and plutonic rocks of the Tuareg shield. The youngest volcanoes rest on Neolithic terraces and are of Holocene age.
This NASA Landsat false-color image shows small scoria cones and lava flows of the Manzaz volcanic field in the Hoggar (Ahaggar) volcanic district of Algeria. The volcanic field covers an area of 1,500 km2, overlying Precambrian metamorphic and plutonic rocks of the Tuareg shield. The youngest volcanoes rest on Neolithic terraces and are of Holocene age. · Foto: NASA Landsat 7 image (worldwind.arc.nasa.gov) · Wikimedia Commons
Tipo
Campo vulcanico
Paese
Algeria
Regione
Northern Africa Volcanic Regions / West Central Sahara Volcanic Province
Altitudine
1672 m
Coordinate
23.920, 5.830
Ultima eruzione
Sconosciuto
Contesto tettonico
Intraplate / Continental crust (> 25 km)
Forma vulcanica
Cluster
Roccia principale
Trachybasalt / Tephrite Basanite
Sintesi geologica

The Manzaz volcanic field, north of the Atakor volcanic field in the Hoggar (Ahaggar) volcanic province of Algeria, consists of a large number of scoria cones and associated lava flows. The field covers an area of 1,500 km2, overlying Precambrian metamorphic and plutonic rocks of the Tuareg shield. Many cones are breached, and the dominantly basaltic and basanitic volcanic products are rich in peridotite and pyroxenite xenoliths and megacrysts. The youngest volcanoes rest on Neolithic terraces and are of Holocene age.

Sintesi da Wikipedia

Riassunto in inglese

Manzaz volcanic field is a volcanic field in Algeria. It consists of scoria cones with lava flows and has been active until recently.

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