The geologic field trip guide for the "Oak Creek-Mormon Lake Graben, North-Central Arizona by Paul Lindberg, 12 p. (May 2015)" is now posted online by the Arizona Geological Society http://tinyurl.com/AGS-Spring2015-Fieldtrip
According to the announcement, this geologic field trip guide circumnavigates a loop of ~120 miles from
Flagstaff to Sedona along Highway 89A and returns to Flagstaff along the Lake
Mary Road. [Right, Oak Creek-Mormon Lake graben. The field trip starts in Flagstaff (black dot) and proceeds counter-clockwise around the graben perimeter. Field trip stops are circled numbers]
"The 12 geologic stops focus on recent faulting and the encroachment of Basin
and Range extensional structures on the Colorado Plateau. Each stop is detailed
in the text, which is amply illustrated with photographs and colored geologic
The guide is made available to the public courtesy of Paul Lindberg and the
Arizona Geological Society."
AGS acknowledged Paul Lindberg for a marvelous trip and field
guide. Kevin Horstman prepared the digital copy for distribution and Cori Hoag
placed it at the Arizona Geological Society online repository.
The Inside Scoop on the Chilean Earthquake Swarm
10 hours ago