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More South Dakota Agates

On Labor Day I again made the long trek to the Buffalo Gap National Grasslands of western South Dakota, a day to look for agates, fossils, petrified wood, and other goodies.  For the first time since we discovered rockhounding this summer, there were actually a number of other people out searching.  You can see how the known agate hunting locations would get picked over.  However, it’s quite similar to a visit to a busy national park like Yellowstone or Yosemite…just get away from the road a bit and you’re likely to have it all to yourself.

Despite several other searchers, I was able to find solitude just by hiking back away from the gravel roads in the area.  There’s no doubt there are more and better finds as you get away from the roads and places people park.  An interesting day, marked by a heavy haze all day from western US forest fires, but also a day filled with agates.  Here are a few agates from the day. Also the latest batch that’s gone through my polishing.  I’ve pretty much got it down now, and can get a real deep shine, but it’s a 2-month process from start to finish!  Always good to finish a batch and see what you get for all your hard work.

Fairburn Agate - South Dakota

This is one I would have loved to have found before it had worn down. I do think this is a legitimate Fairburn agate, but some of the bands are worn away in places. In others, you can really see the fine detail.

Fairburn Agate - South Dakota

The flip side of the same Fairburn. I think I’m going to call this one the “Bacon” agate, given the banding on this side.

Polished South Dakota jaspers and agates

The latest batch to finish in my small tumble polisher. I’m having much better luck now in getting a great shine, simply by 1) taking twice as much time, meaning 2-full weeks in each of the 4 polishing stages, and 2) using distilled water instead of our very hard city water. Just the choice of water has made a huge difference in the shine.

Agatized Syringopora Coral - Fossil

A piece I found earlier this summer that just made it through the polishing process. This is an agatized piece with bits of Syringopora coral fossils throughout. A unique and gorgeous little piece.

Agate bonanza and more, with gorgeous Fairburn

The flip side of the coin from last Friday.  Other than looking for birds, I also spent a lot of time walking the Buffalo Gap National Grasslands looking for agates, fossils, and whatever other goodies I can find.  It was a spectacular day (other than twice getting poured upon, on a day forecast to be totally dry), including a GORGEOUS Fairburn agate find.  Here’s some of the highlights of the day:

Fairburn Agate - Buffalo Gap National Grasslands, South Dakota

Probably the best Fairburn Agate I’ve found in my LONG and illustrious career as a rockhound (ok, in the 3 weeks I’ve been doing this). I paid the price for this one! I found it as far away from the car as I walked all day, and it started absolutely pouring on me just 1 minute after finding it.

Bubblegum Agates - Buffalo Gap National Grasslands, South Dakota

A collection of some of the best bubblegum agates from the day. The ones shown here are all small ones (1 1/2″ or less).

Bubblegum Agate - Buffalo Gap National Grasslands

A very large button (?) agate (about 3″ across). I haven’t found any agates like this that are so well preserved and so big.

Horn Coral - Buffalo Gap National Grasslands

A bit of horn coral. I’m told this is a “traveler”, that the geology of the area is too young to host this. It’s a traveler from the Black Hills, washed down like the agates and other goodies you find here.

Unusual Prairie Agate - Buffalo Gap National Grasslands, South Dakota

A rather unusual Prairie Agate. The rest of the agate looks like many typical prairie agates you find here, with the jagged, orangish-brown, diffuse banding. However, on this one side are these starkly different, very fine, parallel bands that are not found on any other prairie agate that I’ve found so far. Lacks the “holly leaf” pattern of a real Fairburn, but the thinness of the bands and their perfectly parallel nature reminds you of one.

Prairie Agates - Buffalo Gap National Grasslands, South Dakota

More typical prairie agates. The ones you find most often are the ones with warm creamy and orangish tones, but there are also some cool ones with black, reddish-tones, or other colors.

Agate

One day away from the 4th of July, so I thought it was very appropriate to bring back this red, white, and “blue” agate. The colors even are arranged correctly!

Petrified Wood - Buffalo Gap National Grasslands, South Dakota

A variety of petrified wood pieces. This stuff is just everywhere, and occasionally you run across a much bigger piece that weighs several pounds.

Prairie agate - Buffalo Gap National Grasslands, South Dakota

A large prairie agate (almost 4″ across) with an unusual pattern on one side.

Bubblegum Agate - Buffalo Gap National Grasslands

A bit bigger bubblegum agate…or at least that’s what I think it is. Reminds me I guess of what a really worn down bubblegum agate might look like, with the stuff in between the “eyes” wearing away more quickly? That’s my (very) amateur interpretation.

Bubblegum Agate - Buffalo Gap National Grasslands, South Dakota

A somewhat larger (~2″) bubblegum agate (perhaps an “eye agate?”), with a pattern of nodules that almost make it look like a brain coral in spots

Fossil plant bits

I think this is just a mix of fossilized plant bits. Again, my amateurish interpretation, but that’s what I’ve found online

In the News – Week of October 23rd

Snowball

This snowball brought to you by the effects of climate change?

A collection of bird, science, photography, and news links from the past week.  Not many bird stories this week, but some good science stories.  Click on the links for the actual stories.

“Global Warming” causing cold winters — James Inhofe, jackass senator from Oklahoma (pardon my value judgement, but the man IS indeed a jackass from the standpoint of any scientist), famously strolled onto the Senate Floor a few years ago and presented a snowball.  PROOF, he said, that global warming was a hoax! A sham! A deception, set up by evil scientists like myself!!  How can global warming be real, if snow was falling in the DC area?  Sigh. In the last decade, the term”climate change” has been used much more frequently than “global warming”, and with good reason.  Yes, temperatures are warming overall, but the impacts also impact precipitation patterns, storm severity, and atmospheric flows, meaning “warming” is just one component of climate change.  As this story point out, severe warming in the Arctic is affecting the position of the jet stream, making it more likely that “wavy” jet stream patterns will occur in winter.  As a result, winters become more variable, with cold snaps become more common as a wavy jet stream brings colder air down from the Arctic. Sorry Senator Inhofe!  That snowball you used as a prop may have been an example of the effects of climate change!!

Heading to California for a long nap — I’ve only been fortunate enough to come across bats on a  handful of occasions.  If we take a walk in the late evening, just after sunset, we’ve occasionally seen individual bats flying about. Growing up, I remember seeing them flying around streetlights at night, scooping up the insects that the lights attract. The most memorable encounter?  Moving the portable air conditioner out of my wife’s grandmother’s kitchen window in the fall…only to have a live bat plop down on the kitchen counter. We interrupted his daytime roost!! Cool creatures, that I wish I’d had more chances to see. This is a neat story about Hoary Bats, one of the bigger species in North America.  Some bats will hibernate, some will migrate when weather gets cold, but the Hoary Bat is unique in that it first migrates to California, and then settles in for hibernation.  When I read stories like this, it always makes you realize how very little we know about the world around us…

Lesser Meadow Katydid - Conocephalus

Coming soon to a dinner plate near you? No thanks!

Edible Bugs — Can they replace beef?  NO. THEY CANNOT. I have nothing further to say on the matter.

Yo Dude…Surf’s Up!! — From the realm of “pure” science that doesn’t seem to have any practical application, some research on Mute Swans, with a finding that they will sometimes “windsurf” as they move on the surface of the water.  This researcher on 3 occasions observed Mute Swans sitting on the surface of the water, then opening their wings to catch the wind and “windsurf” across the water’s surface.  The REAL story here for me, from the perspective of a scientist?  That this dude was able to get an actual journal publication about this!  Publish-or-perish, the  mantra for many scientists, and this dude was able to publish something based on what he saw during his lunch hour!  Bravo…

And you think your life sucks? — I believe I’ve seen this before, in a David Attenborough-narrated nature documentary.  The Pearlfish is a species of fish often found in sandy shallows where there’s not a lot of protective cover.  It’s solution to not getting eaten? 1) Find a Sea Cucumber 2) Enter it’s anus and crawl inside.  Lovely!  Something to think about the next time you think your life sucks…it could always be worse.

Unseen moons may be circling Uranus — My son would have some crude jokes to say about this story…

Donald Trump

Brain activity declines as lying becomes more frequent? Why am I showing a picture of Donald Trump next to this story? Must be coincidence…

Brain reacts less as lies become more frequent — Scientific proof of why this election cycle has been so god-awful!  Fact checkers have certainly been kept busy over the last several months.  As this story notes, your brain gets conditioned to frequent lying, where it reacts less as lie after lie pile up.  Less brain activity with more lying…that certainly explains Donald Trump!!  He’s been at it so long during this campaign that you can hardly blame him for his many slip-ups.

ET Phoning Earth — I hate the mainstream media at times. I understand the competitive nature of journalists and the desire to be the one to break a big story.  From an economic perspective, I get the focus on the trivial by places like CNN, as unfortunately, they’re much more likely to get a lot of “clicks” on a story about Kim Kardashian’s latest hair-do than they are to get clicks on some boring science story.  But what I REALLY HATE is how everything is sensationalized, how a story always has to be “sexed up” to make it more controversial and eye-catching.  Hence this story, with the provocative headline of “Strange messages coming from the stars are probably aliens“.  The scientists involved here also deserve some of the blame, as it’s incredibly, ridiculously premature to assign these “strange messages” to an alien source, but it’s the story in the Independent that really plays that aspect of the work.  Interesting work, but I’ll need a hell of a lot more proof of the source of this signals before donning my tinfoil hat.  There are just far, far too many things we don’t know about the universe to unequivocally associate the unknown to some alien source.

Carolina Parakeet - Drawing

Carolina Parakeets were once occasionally found here in South Dakota, so why not parrots in Siberia? This is one of the first bird drawing I did when I started several years ago.

Parrot fossil from…Siberia?  — A parrot fossil dating from around 16 million years ago was unearthed near Lake Baikal in Siberia.  This marks the furthest north a fossil from a parrot-like species has been found.  It was warmer in the Milocene when this bird was living in the region, but not as tropical as the climate where most parrot species are found.  It’s not exactly unprecedented though. In North America, our own Carolina Parakeet was found over a good chunk of the eastern United States, and there are even reports that it had occasionally been found up here in South Dakota.

Got the sniffles? Go milk a Tasmanian Devil — I believe this is sound medical advice, based on this story!  Researchers have found that the milk from a Tasmanian Devil contains peptides that are able to kill hard-to-kill “superbugs”, bacteria that are becoming immune to our most commonly used antibiotics.  I envision a world where everybody keeps their own small herd of Tasmanian Devils, faithfully milking them every morning and use Devil Milk on their morning cereal to keep sickness at bay.

Two-thirds of Earth’s wildlife gone in last 40 years — Well this is a depressing story.  A study by the World Wildlife Fund has found that almost 60% of vertebrate populations have disappeared from the wild since 1970. Numbers a dire across all ecosystems, but are particularly bad for freshwater ecosystems, with over 80% population declines.  Good. Lord.  It’s not exactly surprising, particularly the fresh-water habitat finding.  I’m a fisherman, and have been since I was a boy.  We rarely bother going fishing in eastern South Dakota any more.  The rivers are E.Coli-filled cess pools of ag runoff and animal waste, and every year more and more lakes in the region are being assigned as mercury threats, with fishermen warned to either not eat the fish or to severely limit how much is consumed.  And yet there are groups out there that want to ABOLISH the Environmental Protection Agency…something that even our Republican presidential candidate has promised to do.  It sickens me to think what we’re leaving behind for our children…

Luke Perry AARP eligible —  I’m of an age where I definitely remember 90210 and Melrose Place.  I wasn’t a big fan and didn’t watch, but my wife did, as did many other people I knew back then. Well, evidently being “of an age” where I remember 90210 means I AM FREAKING OLD!! The reason this story caught my attention? Luke Perry from 90210 turned 50 and became AARP eligible…as have I recently.  Sigh.  With that, I’ll sign off from another week’s worth of news.  Now where are my damned glasses? And cane.  And prescriptions…sigh….

 

 

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