Volcanoes that were active in the Proterozoic eon (approximately 2500 million years to 542 million years ago) in Precambrian time.
The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes.
Volcanoes that were active in the Proterozoic eon (approximately 2500 million years to 542 million years ago) in Precambrian time.
The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes.