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West Eifel Volcanic Field, Germany

West Eifel Volcanic Field, Germany, Volcano photo


West Eifel Volcanic Field, Germany

The Mehrener maar is one of about 80 maars of the West Eifel volcanic field.

The village of Mehrener is located on the shore of a lake partially filling the crater, whose rim lies behind the village.

Maars, scoria cones, and small stratovolcanoes cover an area of 600 sq km west of the Rhine River.

Most originated during eruptions between about 730,000 and 10,000 years ago.

The West Eifel volcanic field in the Rhineland district of western Germany SW of the city of Bonn is a dominantly Pleistocene group of 240 scoria cones, maars, and small stratovolcanoes covering an area of about 600 sq km.

The West Eifel volcanic field lies about 40 km SW of the smaller, but better known East Eifel volcanic field.

Individual vents, most of which cover a broad NW-SE-trending area extending about 50 km from the towns of Ormont on the NW to Bad Bertrich on the SE, were erupted above a mantle plume through Devonian sedimentary and metamorphic rocks.

Scoria cones, about half of which have produced lava flows, form two-thirds of the volcanic centers, and about 30% are maars or tuff rings, many of which are occupied by lakes.

About 230 eruptions have occurred during the past 730,000 years.

The latest eruptions formed the Ulmener, Pulvermaar, and Strohn maars around the end of the Pleistocene and the beginning of the Holocene.

PHOTO SOURCE: Richard waitt 1990, US Gelogical Surveys, courtesy of the Global Volcanism Program, Smithsonian National Museum of Natural History, used with permission.


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