- Sort:
- Most Popular | Most Recent
-
Sometime around the year 500 small quantities of ash and lava erupted from St. Helens' north flank. This period ended with the emplacement of dacite domes, including Sugar Bowl around the year 800. The Sugar Bowl dome is a nearly circular protrusion of hypersthene-hornblende dacite, about 800 m in diameter, on the nort...
-
Stats
- Favorites
- 0
- Comments
- 0
- Snapshots
- 0
- Total Views
- 752
- Explore Score
- 1

