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The Strange Rubbing Boulders of the Atacama
The worlds largest rock tumbler? This story caught my eye this morning. GSA press release – The Strange Rubbing Boulders of the Atacama. It seems that every other day I read about some place on...
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Kamil Meteorite Crater: A “Young” Impact on Earth Compared to Craters on Mars
Kamil Meteorite crater is a recently discovered crater in Egypt which is an example of a very young crater on earth. What can Kamil Crater tell us about the origin of craters not only on Earth but also...
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The Worlds Largest Rock Tumbler and the Age of the Earth
Last year I wrote about the strange rubbing boulders of the Atacama desert. In that post I relayed the story of these strange large boulders that are found scattered in a high valley in the Atacama...
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Cosmogenic Dating Methods Allow Estimates of Erosion Rates on Mars
Just how fast are some rocks on Mars eroding? A few months ago I asked a Martian rock that question (see: My Interview with a Martian: A Story of Origins) and I was not given a very satisfying answer....
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Can You Spot the Difference? The Slowly Changing Surface of Mars
Below is a picture taken by the Curiosity Rover on Mars last week. Had you been on Mars 6000 years ago at this very location what do you think it would have seen? What differences do yo think you...
View ArticleAncient Mars: Cosmogenic Dating Methods Allow Estimates of Erosion Rates on Mars
The NASA rover Curiosity has been making its way across the floor of Gale crater on Mars since 2012. It has closely examined a wide range of rock types which reveal that this location on Mars has...
View ArticleThe World’s Largest Rock Tumbler is an Unusual Testimony to an Ancient Earth
Evidence that some features of earth’s landscape are the product of processes acting over longer periods of time can be found everywhere we look. Some of this evidence, such as that from the Grand...
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