Constructive Plate Margins
A constructive (tensional) plate boundary happens where plates move apart. Most of these plate margins are under the oceans. As the plates move apart magma rises from the mantle to the Earth’s surface. the rising magma forms shield volcanoes.
A constructive plate margin
Constructive (tensional) plate margins occur where plates move apart. Examples below include the South American Plate and African Plate and the Eurasian Plate and the North American Plate.
A map to show the Earth’s plates
The image below shows Brú milli heimsálfa or the ‘Bridge between continents’. This is the constructive margin which runs through Iceland. To the left is the North American plate and to the right the Eurasian plate.
Brú milli heimsálfa or the ‘Bridge between continents’
Find out about conservative and destructive plate margins.
Related Topics
Use the images below to explore related GeoTopics.
Conservative Plate Margin
Topic Home
Destructive Plate Margins
Top Pages
Top Posts and Pages
Latest Blog Entries
Geography Revision GridsDecember 11, 2019 - 6:11 pm
What do you buy a geography teacher for Christmas?December 8, 2019 - 5:10 pm
Tweet Treats #12December 8, 2019 - 1:39 pm- Tweet Treats #11December 1, 2019 - 8:13 pm
Synoptic Links in Geography RevisionNovember 29, 2019 - 4:20 pm
Living World Revision GridsNovember 28, 2019 - 2:11 pm
Geog Your MemoryNovember 27, 2019 - 12:57 pm