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Showing results for tags 'arizona'.
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Hello, I joined this group today so that I might have a recent find identified. My name is Larry Atkins and I'm a meteorite hunter from Michigan and I spend a lot of time in Arizona looking for space rocks. I find a lot of different things out there and yesterday I found an interesting cluster of fossil bone and teeth. Last spring, in the same wash, I found a partial skeleton of a huge tortoise. The Arizona Museum of Natural History was supposed to dig it up but they never got around to it and the monsoons have apparently washed it away! So disappointing. Here's an in-situ of yesterday's find. This is in Pinal county AZ. Thanks! Larry
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If anyone is familiar with Permian tracks, can anyone ID these? All I can tell is that they appear to be synapsid tracks, but not Dimetrodon. I'm assuming that means Edaphosaurus is out too, but that's all I can figure. the ONLY details still known are that they're Permian tracks from somewhere in Arizona. There's no more information available. There's 4 plates... 1-pic 1 2-pics 2,3,4 3-pics 5 4-pics 6,7
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I found this in a fossil bed along with some clam fossils I was finding near Globe, Arizona. It was sitting in a depression on the ground near an exposed limestone fossil rift. The white band goes all the way around symmetrically and the rock type does not match anything in the area. is it a fossilized turtle shell, or nut maybe? or an indian artifact, or just an out of place rock?
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Found what may be a vertebra, sticking partially out of the ground on private property near Phoenix, Arizona in Maricopa County. The soil is hard-packed coarse sand/silt/gravel with areas of clay. A landscaper added a top dressing of decomposed granite and river rocks - a typical desert landscape design around here. The specimen likely was transported to the site in the river rock. Luck me! Other fossils found in the landscape material lead me to believe it came from a healthy and diverse marine environment with turtles, fish, shark, crocodilia, lizards, skate, snakes and mammals. The entire area was once an inland sea. The specimen is approximately 6.5 cm length x 5 cm width x 2 cm height. (Lateral measurement varies from 1.5 cm to 2.5 cm.) The vertebral body is 5 cm length x 4 cm height. Let me know what you think. The "tooth" on the distal side measures 2 cm.
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You, the members of The Fossil Forum, inspire me. Keep up the good work.
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The corals from the Pennsylvanian Naco Formation in Arizona have not been officially described partly because many are silicified and have lost internal details. Any idea what these corals are with central columns that are vertically striated? Their average length is 2 to 3 cm. I think that they look like Lophophyllidium. Thanks, John
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EDIT: see complete post below Ynot's brief post. I found some amazing fossils last weekend north and east of Payson, Arizona in the Pennsylvanian aged Naco Formation. Clear skies and warm temperatures were tolerable because of the tree cover. The star of the show was a 40 cm slab with and upside down silicified Syringopora coral colony that showed the basal branches. Mother Nature started the etching process, I continued it with dilute pool acid. For scale, each coralite is about 2mm in diameter. The next star was a 23cm unidentified sponge.
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Any idea what these silicified possible crinoids are? Are they even crinoids? They are from the Pennsylvanian Naco Formation from near Payson. The ones in the photos (both sides are shown) are from 0.8 to 1.5 cm wide. @crinus These two references might be of help. Anyone have access to the photos from these? Webster, G., & Olson, T. (1998). Nacocrinus elliotti, a New Pachylocrinid from the Naco Formation (Pennsylvanian, Desmoinesian) of Central Arizona. Journal of Paleontology, 72(3), 510-512. Webster, Gary; Elliott, David. (2004). New information on crinoids (Echinodermata) from the Pennsylvanian Naco Formation of central Arizona. The Mountain Geologist. 41. 77-86.
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Hello, I have been buying some fossils not knowing what they might be. The seller did not know either. It will be a learning experience. Thanks
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Here are photos of two trips taken to look for Paleozoic fossils in northern Gila County in northern Arizona. Daily thunderstorms and plentiful shade made the 90 deg. + temperatures bearable. I ran into TFF member ArizonaChris while in the area. In the Martin Formation I found interesting stromatoporoids, now determined to be sponges, that were important reef forming organisms during the Late Devonian. Pine needles for scale. Here are some silicified Martin Formation brachiopods. Nearby are many caves and sinks in the fossiliferous limestones of the Martin and Redwall Formations: up to 100 miles of passages according to a caver. The first one is full of junk metal including two cars. Any idea what the cars are? Here is Tin Can Sink. To be continued.
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Here is a cool photo of a silicified Michelinia coral that I was trying to extricate from Redwall Limestone with acid. It reminded me of my proposed TFF slogan/motto: "we place fossils on pedestals".
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Anyone know what this Pennsylvanian (Desmoinian) shark tooth from Arizona is? The tooth is 40mm wide and 30mm from top of tooth to bottom of preserved root. The shape of the tooth suggests that it was a shell crusher. Thanks, John
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Im mike from arizona.i have a very large piece of sandstone with snake impressions on it.
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Mysteries of the Great Unconformity, a journey in deep geologic time by Michael Timmons, New Mexico Bureau of Geology and Mineral Resources. 'Earth Matters' https://geoinfo.nmt.edu/publications/periodicals/earthmatters/17/n1/em_v17_n1.pdf Joel, L. (2018), Erasing a billion years of geologic time across the globe, Eos, 99, https://doi.org/10.1029/2018EO092065. Published on 05 February 2018. https://eos.org/articles/erasing-a-billion-years-of-geologic-time-across-the-globe Yours, Paul H.
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- arizona
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What is the cool clam from the Cretaceous Mural Limestone from southern Arizona? Trigonia? http://skywalker.cochise.edu/wellerr/fossil/pelecypod/bumpy2.htm See if anyone can confirm that it is one of these: Quadratotrigonia mearnsi? https://www.researchgate.net/figure/Trigoniid-bivalves-Mural-Formation-in-Sonora-and-Arizona-Figure-A-B-Buchotrigonia_fig4_249897573 Thanks, John ,
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What are the plants in the photos from the Pennsylvania/Permian boundry from the Schnebly Hill Formation near Payson, Arizona that I am linking to my Arizona Paleontology Guide? Photos are from geology teacher Stan Celestian and were not found by me. (I'm going to look at the location for plants). Thanks, John 1 Annularia? 2 Fern type? 3 Fern type?
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There are very few places in the world where you can get a legitimate Turquoise rock. The United States is one of them! Last week I bought this rock, the seller is resident in Arizona, United States. Soon after my purchase, I talked to the seller, and he told me that they are not sure of the origin because it was discovered on a private property. He also told me that this Turquoise is not treated, and that he used water to take the pictures ... 01 - If he does not have water, does it look so blue, or at least a blue that can be seen, even if it is not enough ? 02 - Is it a legitimate turquoise? Thanks to all who help me! @ynot @Wrangellian
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Found in the Canelo Hills of Arizona. About 5" diameter, 1.5" thick. Very hard rock. The inner ring shows on the other side as well. Also has some very small and short grooves in rows on one edge. They look very unusual. Is it possibly a fossilized vertebra? What do you all think? It would only let me post one photo. I'll try to add more after posting.
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Red chert radial sponge from the Pennsylvanian Naco Formation found north of Payson, Arizona. NB. Pennsylvan is a subperiod, epoch is Late and age is Moscovian. (Desmoinian under old system.) Dilliard, Kelly & Rigby, J.K.. (2001). The new demosponges, Chaunactis olsoni and Haplistion nacoense, and associated sponges from the Pennsylvanian Naco Formation, Central Arizona. Brigham Young University Geology Studies. 46. 1-11. geo_stud_vol_46_dilliard_rigby.pdf link
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Hi. I believe this is from Arizona. But not sure of the origin and type of wood. Any ideas would surely help. I have many pounds if this. Please help
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Hello Everyone, My name is Alan, Recently I purchased several acres in northern Arizona and on my land I have been finding several interesting rocks, and fossils. I have always been interested in paleontology and geology but I have no formal education on it. That in mind I will be posting photos of different rocks and fossils I find on my land and any suggestions or ideas of what they maybe are greatly appreciated. Thanks everyone. Alan
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Hello, I am glad I found this forum; recently I purchased several acres in northern arizona and I found a few rocks/fossils on my land that I was hoping someone could help me identify. Any idea or suggestion is appreciated. Thank you 1st fossil/rock of 3
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I found this long exterior mold fossil in Mississippian Redwall Formation chert from Gila County, Arizona. I think that it might be the central support for an Archimedes sp. bryozoan. Two sources say that they have not been reported from the Redwall Formation even though they are reported from other Mississippian formations in Arizona. What do members think the fossil might be? @Arizona Chris
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From the album: MY FOSSIL Collection - Dpaul7
Crinoid Stem Piece - Arizona Naco Formation, Arizona Pennsylvanian age (Desmoinesian to Virgilian,310 to 304 Million Years Ago) Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). The name comes from the Greek word krinon, "a lily", and eidos, "form". They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which in their adult form are attached to the sea bottom by a stalk are commonly called sea lilies. The unstalked forms are called feather stars or comatulids. Crinoids are characterised by a mouth on the top surface that is surrounded by feeding arms. They have a U-shaped gut, and their anus is located next to the mouth. Although the basic echinoderm pattern of fivefold symmetry can be recognised, most crinoids have many more than five arms. Crinoids usually have a stem used to attach themselves to a substrate, but many live attached only as juveniles and become free-swimming as adults. There are only about 600 extant crinoid species, but they were much more abundant and diverse in the past. Some thick limestone beds dating to the mid- to late-Paleozoic are almost entirely made up of disarticulated crinoid fragments. Kingdom: Animalia Phylum: Echinodermata Class: Cridoidea
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