| Contact Us |
|
NO.64.Funei Street, Beijing,100812.China Tel: 86-10-66558777 86-10-66558778 Fax: 86-10-66558625 E-mail: geopark@mail.mlr.gov.cn
|
|
|
|
| |
Home > Popularization > more
|
|
What is a caldera? |
|
Williams put it forward, that the caldera is a large-scale volcanic subsidence with sub-circular shape. Calder is formed in complexible way, usually subjected to three-stage development: (1) Volcanic explosion, large volume magma was discharged; (2) Empty magma chamber collapsed that called caldera period: (3) Caldera reactivation produces effusive or intrusive domes, which called resurgent caldera period.
|
| Page:
|
|
|
|
|
|
| SEARCH |
 |
|
|