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piranha

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Paul, Carmine, Mike, Thanks!

Here are a couple of fun Eocene plant fossils from two formations with names that sound like a matched pair.

It's not very often that you can mention the Chuckanut and Chickaloon in the same sentence, so there you go. :P

Sabalites.jpg

Sabalites ungeri

Chuckanut Formation

Northwestern, Washington

Chickaloon Formation.jpg

Mixed Fossil Flora

Chickaloon Formation

South-Central, Alaska

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Thanks Roger!

Although I don't collect minerals, this spectacular large mass of conjoined fluorite is a centerpiece in my fossil room. This massive mineral measures 18" x 12" x 10" and tips the scale at 65 pounds. It was excavated from the Cave-in-Rock District of southern Illinois by the W.L.Davis / Deardorff Mining Company, which operated from the early 1930s to the early 1960s.

 

Fluorite 1.jpg

 

Fluorite 2.jpg

 

 

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Scott, I hate to see you suffer with such a large mineral on display, basically distracting from your extraordinary fossil collection. Since I collect both, I'm willing to give that fluorite a good home. Does it fluoresce?

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Scott, I'm still working with just the 2nd drool rag.....Associated acorn beautifully preserved, meg chunks of fluorite....So, I'm think'n I'm gonna need some medication after these last sets of installments! Gonna have to hit the dang creek again tomorrow to assist in relieving the condition! Thanks for the continuing show!

Very NICE stuff!!

Regards, Chris

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That is amazing sir! The display cases, lights, and even a DINOSAUR!!!! I love your fish, trilobites, amphibians plants… they are all spectacular! It's hard to find a museum with such a fantastic display where I live. Wait…come to think about it.…THERE ARENT ANY!!!!!! Great collection!!!

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Gus, Chris, TRex, Thanks!

The next update is a wonderful assortment of Paleocene plants from the Fort Union Formation of Montana. The most unusual and fascinating plant is the compound floating water foliage of Trapa angulata which is a member of the water chestnut family: Trapaceae. Also attached for comparison is an identification key from Brown, 1962, and a photo of a typical modern habitat for Trapa that is regarded nowadays as an invasive species.

 

 

Montana Flora 1.jpg Montana Flora 2.jpg Montana Flora 3.jpg
Eucommia serrata                      Taxodium olriki                            Platanus reynoldsii

 

Montana Flora 4.jpg Montana Flora 5.jpg Montana Flora 6.jpg

Carya antiquorum                      Metasequoia occidentalis            Trapa angulata

 

Fort Union Flora.jpg Trapa natans.jpg

 

Brown, R.W. (1962)

Paleocene flora of the Rocky Mountains and Great Plains.

USGS Professional Survey Paper, 375:1-119

 

 

 

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Thanks TRex! :D

Now I'd like to show a few of my best volcanic items of interest. This ropy lava is called Pahoehoe (pronounced: pa-hoy-hoy) from the Hawaiian word meaning, "smooth and unbroken". The first group was collected from private land just outside the Craters of the Moon National Monument along the Snake River Plain in southern Idaho. The most recent lava flows from COTM are estimated to be 15,000 - 2,000 years old.

 

Pahoehoe Lava 1.jpg Pahoehoe Lava 2.jpg Pahoehoe Lava 3.jpg

pahoehoe (photo scale all = actual size)

 

Next is a two for one special; Volcanic Ventifact. One of the volcanologists at UO evaluated the composition and confirms it to be a dense mafic-intrusive that cooled slowly within the magma column. Once it became exposed at the surface, wind erosion and sand-blasting etched the two distinct facets which designates this as a Zweikanter (two-faceted) ventifact. Other ventifact types include Einkanter (one-faceted) and Dreikanter (three-faceted) that are typically pyramidal in appearance. Large, stable ventifact formations, not subjected to movement, in conjunction with confident dating methodology, can be utilized as paleo-wind indicators to interpret the differences in prevailing winds over time.

 

The next two are very colorful and interesting pieces; the green gem is peridot / olivine encrusted in a vesicular basalt bomb. The blue specimen is another example collected on private land just outside of the Craters of the Moon National Monument along the Snake River Plain in southern Idaho. This type of lava specimen is called blue-glassy or Blue Dragon pahoehoe. The blue-glassy lobes form 10-14 days after the base of inflation and 5-10 °C cooler than adjacent silvery lobes of pahoehoe. Other distinct differences are a dense crystalline interior and fluorine-deficient surface that indicate blue-glassy pahoehoe was stagnant for a considerable period within the lava tube system allowing vapors to separate before extrusion.

 

(photo scale all = actual size)

Volcanic Ventifact.jpg Basalt Bomb.jpg Blue Dragon Pahoehoe.jpg

volcanic ventifact                        peridot / basalt                             blue-glassy pahoehoe

 

 

The last group of classic volcanic bombs (ejecta) are sure to please the hardcore volcanology enthusiasts. The first one is the elusive breadcrust bomb and named for the cracked upper surface that is a solid cooled outer shell in flight but is shattered as hot gasses continued to expand from within during flight or upon impact. The next one is a textbook fusiform (spindle) bomb characterized by the elongate and streamlined aspect as formed and solidified during in-flight orientation. The spindle also has an explosion feature; the hole shown in spindle photo 1 represents a hollow chamber where hot gas inside the bomb blasted out.

These really are... Da' Bomb! :ninja: :P (photo scale all = actual size)

Breadcrust Bomb 1.jpg Breadcrust Bomb 2.jpg

breadcrust bomb

 

Spindle Bomb 1.jpg Spindle Bomb 2.jpg

spindle bomb

 

COTM Lavas.jpg

Craters of the Moon - Lava Types

 

 

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Nice specimens, and I like the Lava Types chart - informative things like this are always appreciated as well as your own showcase!

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the dinosaur is definitely an example of your golden drool bucket award..... drool drool drool i went for 5 minutes.

I'm CRAZY about amber fossils and just as CRAZY in general.

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Hey Scott, Yep, more wonderfully great plant material and then you had to pull me into extrusive igneous rocks...No, No, No. I wont go willingly! Dont you dare show pillows and aa...

Just kidding, though I did have to fight off a sudden unpleasant flashback of drawing minerals in microscopic thin section using colored pencils and a not so well executed igneous rock exam, but I'm ok now! :)

Fantastic stuff!

Regards, Chris

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Thanks again to everyone for all the great comments. More to come as I continue to get everything updated.

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  • 1 year later...

This collection blew me away in 2010. Meanwhile I have seen my share of high quality fossils. But guess what? This eclectic high quality collection still blows me away! Congrats Piranha, this is quite an achievement!

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  • 3 weeks later...
  • 2 weeks later...

He posted HERE yesterday and I was just reading some of his excellent posts on the Tyrannosaurus/Nanotyrannus thread from not long ago.

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  • Fossildude19 pinned this topic
  • 4 weeks later...
On 11/11/2010 at 10:58 PM, piranha said:

Here's the gar - old picture but I'll repost a new one when I get to that shelf.

It's only 47cm but easily one of the best and a hands down top 10 favorite.

The E.O. Wiley monograph has a outline drawing of an oblique lateral skull

(AMNH P.4302) that I swear is the doppelganger of my fish. (attached)

this one came directly from Jim Tynsky in Kemmerer and has less than 1-2% resto.

(half of a scale(X2) and a few mm of a fin ray)

His shop is next to the original JC Pennys store - a great place to check out if you ever make the trip B)

RE: Wiley, E.O. 1976. The phylogeny and biogeography of fossil and recent gars (Actinopterygii: Lepisosteidae). University of Kansas Museum of Natural History, Miscellaneous Publ. 64:1-111.

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:faint:Crimmy! That's a stunner! I've always considered GRF gars as amazing fossils. It's simply incredible how many cool things come out of that lake! :D Gars, stingrays, and fish, oh my! 

 

 

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I have some new displays and odds and ends to add to this thread.  I'm always busy with other research projects, but hopefully in the near future I will find some time to post all the updates.  Thanks again everyone, for all the great feedback over the years. :fistbump: :trilosurprise::fistbump:

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