New Senator Caldera facts for kids

Kids Encyclopedia Facts

Quick facts for kids New Senator Caldera
New Senator Caldera is highlighted cyan
Location	Ontario-Quebec, Canada
Range	Canadian Shield
Geology	Calderas

The New Senator Caldera is a large Archean caldera complex within the heart of the Blake River Megacaldera Complex, Quebec, Canada. It has a diameter of 15-30 kilometers and is made of thick massive mafic sequences. The caldera complex has inferred to be a subaqueous lava lake during the early stages of the caldera's development. Gabbro sills represent lava lakes, which are common in mafic summit calderas. These subaqueous lava lakes are large units with a change in grain size from coarse to fine grained and a hyaloclastite top. The Kiwanis (Norands) intrusion, a high-level synvolcanic magma chamber, intrudes felsic rocks, and is in turn cross-cut by basaltic dikes and sills.

The Glenwood fault forms the eastern margin of the New Senator Caldera.

All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise. Cite this article:

New Senator Caldera Facts for Kids. Kiddle Encyclopedia.