August 22, 2011
Case Study: The Trinidad, Colorado Earthquakes
[ED: Originally published in 2011 by Vincent Matthews, former State Geologist at the CGS.] Around midnight on August 22,…
The Raton Basin is an asymmetric structural basin stretching from Huerfano in Las Animas County, Colorado to Colfax County, New Mexico. Rock layers within the basin are more steeply inclined on the west side than the east side. The basin was named after Raton Pass and Raton, New Mexico. The Raton Basin has always been an important source of coal and more recently, coalbed methane. A very well preserved K-T boundary (Cretaceous-Paleogene boundary) can be seen in this area.