Using a thermal camera to measure the temperature of rock exposed in this road c

Detailed Description
Using a thermal camera to measure the temperature of rock exposed in this road cut, HVO geologists determined that the void (just above the glove) in this pāhoehoe flow was 300 degrees Celsius (around 570 degrees Fahrenheit). USGS photo by C. Parcheta, 08-07-2019.
Sources/Usage
Public Domain.