New Senator Caldera
Template:Short description Script error: No such module "Infobox".Script error: No such module "Check for unknown parameters". 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.[1] 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.
See also
- Noranda Caldera
- Misema Caldera
- Volcanism of Canada
- Volcanism of Eastern Canada
- List of volcanoes in Canada
References
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