Volcanic GlassYellowstone Plateau glowed red from volcanic activity, with molten rock welling up and spreading from numerous fissures. Obsidian Cliff, a 180,000-year-old lava flow, is part of the evidence. Cooling and shrinking, the lava solidified into large columns visible at the base of the cliff.
|Marker Condition||No reports yet|
|Date Added||Saturday, May 23rd, 2015 at 10:04pm PDT -07:00|
|UTM (WGS84 Datum)||12T E 521408 N 4963434|
|Decimal Degrees||44.82400000, -110.72920000|
|Degrees and Decimal Minutes||N 44° 49.44', W 110° 43.752'|
|Degrees, Minutes and Seconds||44° 49' 26.4" N, 110° 43' 45.12" W|
|Driving Directions||Google Maps|
|Closest Postal Address||At or near US-89, Yellowstone National Park WY 82190, US|
|Alternative Maps||Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap|
Have you seen this marker? If so, check in and tell us about it.