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Showing results for tags 'new mexico'.
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Is anyone familiar with the Paleozoic formations on Bear Mountain, just northwest of Silver City, New Mexico? I have collected there a couple of times but am unsure as to which formation I was sampling. My first guess is that it is the Andrecito Member of the Lake Valley Limestone (Mississippian (Early Osage) but I know that there are also fossils found in the underlying Devonian Percha Shale, especially east of Silver City. There are a variety of brachiopods, bryozoans, rugose corals, and some crinoid bits. The photos show one of the larger brachiopods. Do you recognize it? Thanks.
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This carnivore coprolite was found in the Bull Canyon Formation (Upper Triassic - Norian), Quay County, New Mexico. It contains numerous fine, boney inclusions (white). There also appears to be a small jaw inclusion that has a shape similar to amphibians. Originally, I couldn't figure out why there would be so many finely crushed bones. It is not something I usually see. When bone fragments are present, they are usually larger. That said, fibrous osteoderms are also found in the same area. I have included an image of a fairly large one. They are made up of fine, boney fibers that have a confi
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- bull canyon formation
- quay county
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The Rio Puerco Valley was my introduction to fossils...it immediately caught my attention...lit a match...became a place I am always eager to revisit...search...learn about... ...and in roaming it, have learned about myself. Many of my adventures in the Puerco are posted here, here...here and here...and here. From here on out, my excursions will be shared here. May you find happiness in your hunting. -P.
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- upper cretaceous
- new mexico
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Friday was a second trip out the the Windmill sites with a quad and a geologic map overlay. I scouted out a site further north that was across the arroyo. I am a geologist by training but not so much about fossils or minerals, mostly tracking layers and mapping.
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- new mexico rio puerco
- new mexico
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Alternative combination: Leptolepis schoewei. Taxonomy taken from NMNH Catalog Number USNM V 17903. DIAGNOSIS after Schaeffer & Patterson (1984): "Middle Jurassic teleostean fishes of leptolepid grade, but differing from similar fishes in having only chordacentra until late in growth. The chordacentra receive perichordal additions only in the midcaudal region, and only in the largest specimens. About 50 vertebrae, 30 abdominal. Dorsal fin in the middle of the back with about 16 rays; anal originates beneath posterior edge of dorsal, with about 14 rays; pelvics beneath dorsal o
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The Pennsylvanian System in the Sacramento Mountains, New Mexico - New, Online Smithsonian Contributions to Paleobiology
Oxytropidoceras posted a topic in Fossil Literature
Lucas, S.G., DiMichele, W.A., Krainer, K., Barrick, J. E., Vachard, D., Donovan, M.P., Looy, C., Kerp, H., and Chaney, D.S. 2021, The Pennsylvanian System in the Sacramento Mountains, New Mexico, USA Stratigraphy, Petrography, Depositional Systems, Paleontology, Biostratigraphy, and Geologic History. Smithsonian Contributions to Paleobiology. no. 104. Smithsonian Press, ISBN: 1943-6688, 215 pp. Researchgate - PDF file Smithsonian Contributions to Paleobiology Kues, B.S., 2001. The Pennsylvanian System in New Mexi- 2 replies
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- paleobiology
- sacramento mountains
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Hi all, new to El Paso and looking for pointers on where to go. I did a search and it looks like Mount Cristo Rey is a promising start. I'm not afraid of driving a bit to New Mexico or towards the west but I don't have a 4x4 so nowhere too rugged. Aside from fossils, I'd also be interesting in interesting rocks, points, or whatever else. Thanks in advance!
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There are fossils in the background gray sedimentary, but so much better preserved in brown! Why? Almost like this pile of creatures is on display, a 7 inch blob just laying on top of gray stone. I'm more interested in how these were preserved than what they are.
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- ammonite
- carlisle formation
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- carlisle formation
- rio puerco
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It's been a long time since I've written a trip report. Not that I wasn't hiking, I was hiking like mad and finding stuff. Just didn't get around to documenting in the latter part of 2020. Too much craziness. A couple of days ago, I went in search of an extremely elusive shale formation, that contains some of the loveliest ferns I have seen. My records show I specifically planned 13 hikes last year trying to find another exposure. That was over 100 miles of fruitless searching. Zero. Zilch. Well, two days ago I found another small exposure. Scenic photos of the journey
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From the album: Vertebrates
Schizolepis manzanitaensis GOTTFRIED, 1992 Carboniferous Late Pennsylvanian Early Kasimovian Atrasado Formation Kinney Brick Quarry New Mexico USA Length 8cm / 3"- 3 comments
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- kinney brick quarry
- atrasado formation
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I collected these presumed plant parts at a late Pleistocene site in Roosevelt Co., NM. They are mineralized, and came out of the same layer of sediment as Mammoth, Equus, Ground Sloth, etc. The triangular "stem" parts remind me of Sedge, but I'm not sure.
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- pleistocene
- plant
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I found this a couple of years ago with no resolution or thoughts on what it might be. It is astoundingly close to circular. 6 feet (1.83 meters) in diameter. Dark brown in color but with color variations. Unfortunately, I did not get any close-ups of the orb itself. It seemed fairly indeterminate as to any pattern such as corals might make. The formation it is in is full of crinoids. The brown orb seems to have a radial pattern. Again too dark to get a decent shot while I was there. I am sort of thinking this may be some sort of reef material? Giant stromat
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- stromatoporoid
- coral
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Subject is a bit off topic, but while out exploring a local canyon for Ordovician fossils, I chanced upon this strange exfoliating section in a formation known as the Valmont. Would anyone happen to have knowledge on the processes behind this? The area was not conducive for finding fossils. This is 'as viewed' from the side. It is not taken from above. The bed is in a normal horizontal orientation but exposed in a staircase cleft. Sedimentary rock formation Found in the orange box in this photo
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- ordovician
- valmont formation
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Hello everyone, I am pretty new to the fossil hunting game, mostly just picking up a few shells or leaf imprints when I am out hiking but when I returned to school in Florida I started to get a bit more interested in actually researching and exploring with the intention of fossil hunting. On the drive back to Florida from Denver I decided to break the trip up into 6-8 hour drive days and camp while hitting some fossil opportunities. Also it kept me fairly isolated with Covid restrictions. With that in mind I planned a route to hit a few different sites: Quay County,
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- new mexico
- texas
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Trying to find alternative ways into a remote spot that I call "Bucket of Crinoids". I could conservatively guess billions of bits of crinoids stems but never any calyxes for some mysterious reason. Until today. Maybe. Although this is tiny and split by geologic forces it appears to be a crinoid cup view of a small calyx. As I've never actually found a cup before I would appreciate some guiding thoughts. Diameter would be 15mm maximum.
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- new mexico
- sacramento mountains
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Every now and then I find something odd on the ground in the backcountry. Do not feel this is a fossil. At first glance I thought this was just some siliceous ooze with intricate folds. At second glance I noted the broken surfaces were not conchoidal as one would expect with silicate materials. It almost appears like extremely fine-grained basalt on the broken ends Specimen is 1.5" (38mm) long and 1.25" (32mm) wide. Thickness is 3/8" (8-9mm) I'll call this the top view. Primarily very dark black Bottom view has a decided reddish cast
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Hello, I just wondered if anyone has seen something like this before. This tooth is from the Redonda formation, in Quay Co., NM. It measures 34mm long, and has a misplaced 8mm ridge of serrations, in addition to the two main edges that most teeth of this type have.
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Identification of Teeth from Triassic Dinosaurs of New Mexico
Troodon posted a topic in General Fossil Discussion
A number of collectors are very interested in Triassic Dinosaur tooth material, however, lots of misinformation exists, partially because little is known and dealers want to sell product. My knowledge is very limited so I tried to put together an assemblage of current information that has been published so that we can all become better versed on this topic. I'm not saying its complete but its the best I can do with my limited knowledge. Most technical papers on this subject are outdated, difficult to read for a novice and not complete enough. Fortunately a recent, legible paper was publ- 37 replies
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- new mexico
- coelophysis bauri
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Wandering about I found some slivers of porcelain like permineralized material floating on the surface in a small dry wash. Exposed and opened a small trench of very broken up pieces of a Lycopsid. I'm going to very tentatively guess Sigillaria due to presence of crenulations on the remaining margin of the material. Covered the pocket back up after taking a few photos. The overall pocket length was at 3 feet when I quit. Specimen increasing in size and going deeper into the hill than my little digging knife could handle. Nearby plant roots had entered the specimen and
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- lycopsid
- middle pennsylvanian
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At first sight out in the back country I thought I had stumbled on some calamite sections. After cleaning up some specimens at home, I am now leaning more toward some other Lycopsid. Perhaps Sigillaria? @paleoflor More photos to follow
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Hello all. I have found two more teeth that I have no clue about. The first one is very small, orectolobid size, but has a distinct central cusp and accessory cusps on both sides. The tooth is less than 1 1/4 mm in size, and I have never seen a tooth this small with accessory cusps. Any idea as to what it could be? The second one has a distinctive series of ridges on one side of the tooth. Again, I have no idea what it could be. Someone at the museum here suggested a multituberculate mammal, but I have serious doubts about that. The cusp is more selachian than mammal. I will
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Here is the one I have wanted to ID since I found it years ago.
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- fossil
- new mexico
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Cold day in the desert but a ton of fun with some great finds! Thank you @PFOOLEY for the wisdom. These all were found in the Carlile formation in Sandoval County, New Mexico.
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- new mexico
- ptychodus
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