Location:
31°55'41.86", 108°52'55.67"Type:
Late basaltic scoria cones and lava flowsAge:
0.14 to 0.55 MaSignificance:
Relatively young and well preserved Basin and Range type scoria cone eruption and associated flows Composition:
BasalticThe planetarium will be closed for upgrades April 29 - May 7.