What Type of Slope Failure Has Occurred in the Slumgullion

question 21

Multiple Choice

What type of slope failure has occurred in the Slumgullion area of Colorado?

• A) a huge rock fall that formed Colorado's second largest lake
• B) a debris flow that came down Big Thompson Canyon
• C) a debris avalanche that raced downhill at breathtaking speeds
• D) a slow-moving earth flow

---

Definitions:

Lichen

A symbiotic organism comprised of a fungus and an alga or cyanobacterium, living together on rocks and trees.

Batrachochytrium Dendrobatidis

A pathogenic fungus causing chytridiomycosis, which has been linked to dramatic declines in amphibian populations worldwide.

Chytrid

A type of fungus belonging to the phylum Chytridiomycota, notable for being parasitic or pathogenic in some aquatic species.

Parasite

A living entity that resides within or on a host organism, deriving its nourishment to the detriment of the host.