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Posted on 5/29/14 at 11:47 am to LSUballs
Alabama
Zeas almond chicken salad
Zeas almond chicken salad
Posted on 5/29/14 at 11:50 am to Pectus
The Motherland, Iowa.
Posted on 5/29/14 at 11:51 am to tilco
quote:
Alabama
This is also the Basilosaurus from Eocene times. Meaning, portions of Alabama were underwater at this time.
Here's a little history with Basilosaurus. The suffix -saurus is used for dinosaurs because they were seen as part reptilian. Basilosaurus was wrongly identified as a dinosaur because it looked menacing, or at least it's skull did. The reason they could tell it wasn't a dinosaur is because it had heterodont teeth, meaning teeth that served different purposes in the same mouth...like we have molars and incisors and what not. That wasn't around until mammals! So that's how you can differentiate mammals when all that's preserved in the rock record is teeth. Mammary glands and hair aren't saved very well, but if you have a skull with differentiated teeth, you're looking at a mammal!
This post was edited on 5/29/14 at 12:07 pm
Posted on 5/29/14 at 11:51 am to Pectus
Milwaukee
Posted on 5/29/14 at 11:53 am to The Third Leg
quote:
The Motherland, Iowa.
The proposed fossil is a crinoid.
A crinoid is a ancient relative of a starfish, we know this because it has five-point symmetry. It looks like a flower on the end of a long stalk. Crinoids still exist today, but the ones that do exist today are mobile than their sessile predecessors.
This post was edited on 5/29/14 at 12:08 pm
Posted on 5/29/14 at 11:53 am to Pectus
What's Florida's?
Posted on 5/29/14 at 11:54 am to FloridaMike
quote:
What's Florida's?
I would also like to know Florida.
Posted on 5/29/14 at 11:59 am to FloridaMike
quote:
What's Florida's?
Florida's state fossil and rock are one in the same: agatized coral. This is stuff made in the Eocene, so ~40 million years ago when Florida was a shallow submerged piece of land that corals loved to live in. Corals have little phytoplankton living in them that need light, so the shallower the land the better.
All these coral are composed of calcite (calcium carbonate), but as these corals are buried and go deeper and deeper into the earth, fluids like to travel through the cavities and dissolve the carbonate, which is easy to dissolve with a weak acid, and then this allows for the filling of the cavities with silica-rich fluids, this and the filling of organic-walled critters makes silica rock. Agatized-coral is just silica replacing carbonate as the hard parts of the coral skeleton after the coral dies.
This post was edited on 5/29/14 at 12:09 pm
Posted on 5/29/14 at 11:59 am to Pectus
Arizona.......
Posted on 5/29/14 at 12:04 pm to lsu_tiger_az
quote:
Arizona.......
Petrified wood. This stuff is from the Triassic period, ~225 million years ago.
Similar to the agatized coral I just explained, wood is petrified by silica-rich waters entering pore spaces and precipitating to preserve the structure of the tree.
I've seen a whole lot of petrified wood from the Triassic in a group of rocks I studied dinosaur tracks in in Utah. It's the same exact rocks that Arizona got this fossil from.
It's a series of river beds that would meander and cut through land knocking down an bury trees, allowing for them to be infiltrated by these silica-rich waters. That means Arizona and Utah, and that whole 4-corners area was a lot wetter than it is today.
This post was edited on 5/29/14 at 12:09 pm
Posted on 5/29/14 at 12:04 pm to Pectus
This was a very interesting thread - you should post pictures of your fossils.
Posted on 5/29/14 at 12:04 pm to Pectus
quote:
MS
Basilosaurus from the Eocene ~40 million years ago.
This is a prehistoric toothed whale that fed on sharks!
Starkville actually lies on Upper Cretaceous chalk. Prairie Bluff Chalk to be exact. This chalk was formed from marine sediments. In certain areas you can finds lots of shark teeth or I suppose Basilasaurus teeth.
Great thread Pectus!
Posted on 5/29/14 at 12:10 pm to Mizzoufan26
quote:
Hawaii
It's too new to have any fossils!
Posted on 5/29/14 at 12:10 pm to Pectus
Rhode Island!
Posted on 5/29/14 at 12:14 pm to Cdawg
quote:
Rhode Island!
I don't think they have one.
But if they did, it'd probably be a prehistoric fish or trilobite or cephalopod.
Posted on 5/29/14 at 12:16 pm to Pectus
I got this one for you.
La. - Edwin Edwards. Made in a Conestoga wagon pulled by 4 of the hardheaded arse mules that ever lived.
La. - Edwin Edwards. Made in a Conestoga wagon pulled by 4 of the hardheaded arse mules that ever lived.
Posted on 5/29/14 at 12:17 pm to Pectus
I'll take a stab at Colorado. Mastodon?
This post was edited on 5/29/14 at 12:17 pm
Posted on 5/29/14 at 12:18 pm to redstick13
quote:
I'll take a stab at Colorado. Mastodon?
It's a stegosaurus.
Posted on 5/29/14 at 12:21 pm to Redbone
quote:
La. - Edwin Edwards. Made in a Conestoga wagon pulled by 4 of the hardheaded arse mules that ever lived.
Talking about that I was cleaning out closets last week and found an old document in my father's things that likely would have put him on the witness stand in EWE's prosecution.
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