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I recently made a total alkali vs silica (TAS) plot to compare the magma of the Hekla 1947 eruption with the compositions of magmas from previous eruptions. This post contains the code to draw the plot, including a module that … Continue [...]
Anurognathus ammoni makes itself like a tree, but doesn't leave. Prints are available.Last week I unceremoniously dumped several revamped pterosaur images on the blog after they were prepared for a talk on one of my favourite topics - pterosaur [...]
A news release from Governor Doug Ducey's office today announced the appointment of Thomas Buschatzke [photo credit, ADWR] as Director of the Arizona Department of Water Resources (ADWR).
Buschatzke has been assistant director for the [...]
“There’s a hysteria that needs to be brought back to reality that these [quakes] are light and will not cause any harm,” Brown said, according to local news reports.
“An earthquake that was sitting there waiting goes kaboing. Then [...]
Danuta Ziętala writes: When you visit the Polish coast you have to take a souvenir: a necklace made of amber, a bracelet made of amber, or other jewellery. Prices depend on size, working, the precious items inside (mosquito!). I
When I go on trips I sometimes try to find fossils or minerals from that area as a memento. My last trip to Arizona I found this plate in a museum gift shop. Unfortunately, it had no identification label so I do not know its name, location where [...]
It's gloomy and foggy, and I haven't seen the sun for days. It's a few more weeks before field season (Death Valley!), but I can't help exploring the sunnier places from warmer times. I'm looking back at the pics from our fall semester where we [...]
Photo from Parade of Life Through The Ages, by Charles Knight, Nat. Geo., Feb. 1942.
From the American Museum of Natural History web site:
Adventurer, administrator, and Museum promoter — Andrews (Jan. 26, 1884 – March 11, 1960) spent his [...]
We are at the cusp of some amazing technology that will hopefully make forecasting snowstorms, like the one predicted yesterday, much more accurate. I was on a local program produced by the TV station I work for (WBOC-TV) last week, and I showed a [...]
In some places it is pretty clear where the Sierra Nevada ends. For a hundred miles or more there is a solid rock wall that reaches a height of two miles in the Owens Valley. There is no mistaking that the mountains end at the cliffs above Lone [...]