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Showing results for tags 'carlile shale'.
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In the Blue Hill Shale Member of the Carlile Shale formation, you can sometimes find concretions that have very colorfully preserved ammonites. The concretions are usually about the size of a golf ball to baseball. They are smacked with a hammer to see if there is something inside, as many are empty. The concretions are extremely hard, but there is usually a weak spot between the ammonite and the super hard limestone. I recently picked up a CP air scribe, so I thought I'd try it out on a "mud ball" that had a little of a Scaphites carlilensis exposed. The outside of the concretion that is
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The Rio Puerco Valley was my introduction to fossils. For many years now, I have scoured its Late Cretaceous shales and sandstones in search of ammonites. Somewhere along the way, my fascination with the ornament grew into an investigation of its enviornment. Last week at the New Mexico Geologic Society's Spring meeting (program), I made my first venture into the world of paleontological science. With the help of Dr. Spencer Lucas of the New Mexico Museum of Natural History, I presented a poster/abstract (Foley & Lucas 2017.pdf) exhibiting my ideas. I r- 68 replies
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I recently acquired this nice little tooth from the Carlile Shale of north central Kansas, which I believe is Turonian in age. It looks like Cardabiodon ?venator to me, but I don't have much experience with the genus. What do others think? The tooth measures 27.17 mm along the slant and is 21.66 mm wide.
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The tooth below is listed for sale as Cretodus crassidens from the Carlisle Shale in Montana. While there might be some very slight wrinkles on the labial side of this tooth, this doesn't look like the typical lingual or labial enamel folds that I would expect from Cretodus, so I'm wondering if it might be from Cretalamna or something else instead. @siteseer, @ThePhysicist, @Anomotodon, any thoughts on this one? The slant length of the tooth is 22 mm. Photos are from the seller, slightly cleaned up by me.
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While out in the Puerco, I smacked open a concretion to find an unfamiliar pattern. Any thoughts or ideas are greatly appreciated. The specimen is from the Upper Cretaceous (Turonian) Carlile Shale. It is layered and each layer has this pattern. I currently do not have a measurement but will do so. Thanks for taking a look.
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From the album: Cephalopods Worldwide
3cm. A gift from PFooley Carlile Shale Member Mancos Shale Formation Turonian Late Cretaceous From Sandoval County, New Mexico, USA -
From the album: Upper Cretaceous New Mexico
illustration from Herrick and Johnson, 1900- 2 comments
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- upper cretaceous
- turonian
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Herrickiceras costatum (Herrick and Johnson, 1900)
PFOOLEY posted a gallery image in Members Gallery
From the album: Upper Cretaceous New Mexico
illustration from Herrick and Johnson, 1900 -
I have being going thru some of the matrix I received from tj102569 and am posting some of the smaller finds. This matrix has a lot of shark teeth and fish bones in it. I am still waiting for the vinegar soak to do it's work on a lot of the larger chunks. Any help that I can get with IDs is appreciated. This first one has a tiny vert and a pointy thing I can't id, and a crusher tooth (both sides are shown) what are these striated teeth? some more teeth
