What was the Grenville orogeny and crustal assembly?

The Grenville orogeny was a long-lived Mesoproterozoic mountain-building event that played a crucial role in assembling the supercontinent Rodinia. Spanning roughly from 1250 to 980 million years ago, its geological footprint extends across North America, Scotland, and correlates with worldwide orogenic belts under different regional names. Furthermore, the early geologic processes linked to Rodinia's creation trace back over a billion years, forming a foundation for later structures like the Appalachian Mountains.

What we know

• The Grenville orogeny was a long-lived Mesoproterozoic mountain-building event associated with the assembly of the supercontinent Rodinia. [1, 2]
• Grenville orogenic crust dates to the mid-late Mesoproterozoic age, approximately 1250 to 980 Ma. [2]
• Equivalent orogenic events occurring outside Laurentia are known under different names such as the Kibaran in Africa, Dalslandian in Western Europe, and Sunsás in Brazil. [2]
• The geologic processes forming the Appalachian Mountains trace their roots back more than 1.2 billion years to the creation of Rodinia via continental craton collisions. [3, 5]

Where to go next

• what caused itHow did the supercontinent Rodinia assemble?
• what followedWhat are the Appalachian Mountains?
• how it workedHow do plate collisions build mountains?
• a case in pointWhat is the Kibaran orogeny in Africa?
• the bigger pictureWhat is an orogeny in geology?
• an unexpected connectionHow does a billion-year-old tectonic event connect to modern French territory?The geologic processes of the Grenville orogeny and subsequent Appalachian formations created a vast mountain system that incorporates even small overseas collectivities like Saint Pierre and Miquelon.

Sources

• [1]Grenville orogeny (Wikidata Q3036937) · CC0 1.0
• [2]Grenville orogeny · CC BY-SA 4.0
• [3]Appalachian Mountains · CC BY-SA 4.0
• [4]List of orogenies · CC BY-SA 4.0
• [5]Geology of the Appalachians · CC BY-SA 4.0

Your path

1. What is the Tawrat in Islam?
2. /What is a hydrothermal vent?
3. /What are sedimentation and lithification?
4. /What is planetary geology?
5. /What are the Decade Volcanoes?
6. /What was Roman concrete and how did it endure?
7. /How did Richard Attenborough shape British film and theatre?
8. /What was the Grenville orogeny and crustal assembly?