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The Mesozoic ended with a splat
But what about a vastly older time?
Archean life was breathing algal mat
Did asteroids destroy them in their prime?
The spherule layer in the Kuruman
Contains iridium, enriched by mass.
Though seared in orogenic frying
In continuation to our science talks, the next presentation was made by Dr. Ravi Mishra, from IODP-India at National Centre for Antarctic and Ocean Research (NCAOR), India.
Ferguson Slide on May 2, 2015Three weeks ago I passed the Ferguson Slide on the way to Yosemite, and found that work had begun on mitigating and stabilizing the slide so an avalanche shed could be constructed to protect vehicles from rolling boulders. Check out my previous post on the subject for details of the slide and the work being done. I was up there again today, and saw that a lot of progress has been made towards removing debris and coating the slope with boulder containment netting.
AZGS is organizing the annual All Hands Meeting for the National Science Foundation's EarthCube program, to be held in Arlington VA, May 27-29. EarthCube is testing the ability to build a community-led cyberinfrastructure for the geosciences. AZGS is running the Test Enterprise Governance project which is in the midst of a year-long demonstration phase testing out community recommendations on coordination, collaboration, and communication. AZGS also […]
A large, ancient crater – nearly as wide as Arizona – now carries the name of Greeley Crater, in honor of Ron Greeley, the Mars science pioneer and longtime professor of planetary science at Arizona State University.Ron was involved in almost every major solar system robotic mission flown since the late 1960s and advanced the study of planetary science at ASU.The crater, which spans 284 miles, lies in Noachis Terra, the geologically oldest terrain on Mars. Although the crater's