Sedimentary Setting
In the Wheeler Formation, lagerstatte occur predictably at periodic sea level high-stands. They formed on an oxygenated sea floor, and are associated with mud-slides or turbidity current events.
Read more about this topic: Burgess Shale Type Preservation
Famous quotes containing the word setting:
“it is finally as though that thing of monstrous interest
were happening in the sky
but the sun is setting and prevents you from seeing it”
—John Ashbery (b. 1927)