What type of volcano is the Chaine des Puys?
cinder cones
A date of 4040 BCE is usually given for the last eruption of a Chaîne des Puys volcano….
| Chaîne des Puys | |
|---|---|
| Age of rock | From 7,000 to 95,000 years |
| Mountain type | cinder cones, lava domes, and maars |
| Last eruption | 4040 BCE ± 150 years |
| UNESCO World Heritage Site |
How many volcanoes are in the Chaine des Puys?
The Chaîne des Puys is a chain of more than 80 volcanoes, running from north to south. The volcano range is 45 km long, with a width ranging from 3 to 5 km. The volcanoes are relatively young: with the first eruption taking place 95,000 years ago and the most recent one just 8,600 years ago.
Is Chaine des Puys active?
Geological Summary The Chaîne des Puys, prominent in the history of volcanology, form a N-S-trending chain of basaltic and trachytic cinder cones, basaltic maars, and trachytic lava domes in France’s Massif Central that has been active into the Holocene.
What type of volcano is Puy de Dôme?
trachytic lava dome
Abstract. The Puy de Dôme volcano is a trachytic lava dome, about 11,000 y old. New pyroclastic layers originating from the volcano itself were discovered covering the summit and the flanks of the volcano.
When did Chaîne des Puys last erupt?
about 4,040 B.C.
Chaine des Puys is a volcanic province in south-central France. Eruptions began about 150,000 years ago. The most recent eruption was about 4,040 B.C. Puy de Dome is the one of the youngest volcanic feature in the province.
What type of volcano is Mauna Loa Hawaii?
shield volcano
Mauna Loa is the largest active volcano on the planet. Meaning “long mountain” in Hawaiian, it is the quintessential shield volcano in its shape— signified by broad, rounded slopes. The volcano makes up roughly 51% of Hawaiʻi Island and stands 13,681 feet (4,170 m) above sea level.
Is Mauna Loa a composite volcano?
Eruptions of these volcanoes are not generally explosive, but are more like liquid overflowing around the edges of a container. The world’s largest volcano, Mauna Loa in Hawaii, is a shield volcano, according to the U.S. Geological Survey.
What type of lava comes out of Mauna Loa?
The lava from Mauna Loa’s various eruptions is basaltic, which is a type of rock found in the ocean floor, and within the Earth’s mantle. The basalt from Mauna Loa is predominantly tholeiitic basalt, which has a very small percentage of silica.