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Found 15 results

  1. Petrified Wood questions

    Okay, while on a ramble in the mountains, among other things I chanced upon this pile of petrified wood. Looks like heavy iron mineralization. Black, red, orange, yellow and near white for colors. Banding in the wood. In the white area, it sure looks like insect bore holes like I used to see when cutting firewood. Not that it is, it just looks like it. This piece seemed to look it had bark to me. Or maybe it is where two branches split so the wood grain was heavily intermixed and confused. Again, I come up stumped with finding reference to a fossil type in our local formations. This time no reference to petrified wood just things like ferns, cordaites, etc for plant life. (1) Are folks finding petrified wood elsewhere in the lower Pennsylvanian? (2) Has anyone seen insect bore holes in their wood specimens? (3) Please advise your thoughts on bark versus complex wood graining? I can provide higher resolution and zoom in if need be. Thank you, Kato
  2. Okay, I know these two pics will look pretty indeterminate, but would anyone be able to get me past cephalopod and gastropod and into an area where I can research and expand my knowledge. Both these were found in the Mississippian, Lake Valley Formation, Andrecito Member (early Osagean). Clear association to Zoophycos with which these were found.
  3. Hopefully this will be quick and easy for those who have the knowledge. I was meandering in the hills and came across some horn corals. I am used to calling the smaller one on the left a horn coral. I am presuming the one on the right also a horn coral. Would someone kindly provide sufficient naming to each so I can do some offline research and reading? Apologies for fuzzy pic. Camera seemed to only want to focus on the backdrop material.
  4. Fossil (maybe) in chert

    Okay, this is way, way out there, but it's a maybe. I am sitting on the fence for going real or mother nature. I was strolling around the mountains today. On an Silurian plateau I spied this piece of cherty material with what may or may not be a small crinoid. It is a bit banged up, kind of rusty looking, but seems like an immature crinoid??? Otherwise, a very interesting want-to-be. Material is missing from some areas which would have been helpful and it wraps around the edge of the rock making it challenging to photograph. On the entire chunk of rock there are no other features of note. Size from 8 on the ruler as it wraps around the other side comes out to about 35mm
  5. Trace fossil? Bivalve borings?

    Okay, I had originally just thought this specimen was a 'mother nature playing games' kind of rock when I was out exploring on a day that turned out to be filled with lots of trace fossils. After some online research for Ordovician trace fossils I came across some Flickr photos for Petroxestes pera, bivalve borings, that were once called 'turkey tracks'. The particular photo panel labeled, Petroxestes pera bivalve borings on limestone hardground (Turkey Track Layer, Waynesville Formation, Upper Ordovician; Flat Fork Arm of Caesar Creek Lake, Warren County, Ohio, USA) , looks quite similar to the strange marks I found in this upper Ordovician formation here in southern NM. Any trace fossil turkey track experts willing to comment? Thank you in advance, Kato
  6. Due to lost climbing experience I had made a failed approach into an escarpment canyon climb last year. A few months later with skills rebuilt I decided to tackle one of the canyons on the east side of Alamogordo, NM again. The escarpment rise fairly abruptly from the trailhead. Approximately 1,100 feet in 1.3 miles to the highest point of the walkabout. This summary will include some pics from my earlier failed attempt. My goals...to visit a unique looking mud mound, find fossils and get away from it all. One the way up the canyon bottom I spotted this ghostly apparation in an exposed slab. Halycite? The main geologic feature of interest was this formation called 'Teepee Mound'. Look to left side of formation for teepee The geologists summary of what is going on My approach was to continue far up canyon to a higher altitude then cut back west to approach the teepee shape. About midway up the teepee shape from the east looking back to the basin. These formations were thick with crinoids. The teepee actually seemed to be suspended by columns of material. Likely supporting material leached away over the years by water.
  7. While on a walkabout, I chanced across a lower Mississippian formation called Andrecito having this fossil remnant that I believe is Zoophycos. Would someone who knows please advise if this correct? Thank you, Kato
  8. A daylong venture into the back canyons of the Sacramento Mountains to look for minerals and fossils. From the trailhead & back was just under 9 miles and lots of rock scrambling through Ordovician-Pennsylvanian formations. A dryfall requiring a climb around Overhang with rippled sandstone floor having iron concretions A view back down hill partway to summit Horn corals Maybe coral?
  9. Possible Rudist?

    Okay, in our area we aren't supposed to have Mesozoic layers due to an unconformity....but...is this a rudist?
  10. Dictyoclostus

    On a walkabout before another wintry event here in Alamogordo, chanced across two brachiopods. Are these dictyoclostus variants?
  11. While out before a snowstorm hit the area I was in search of fossils in different areas back in a deep canyon. I found this on a slope for an area known for Silurian/Devonian formations. The Devonian (Sly Gap) is known for sandstone which this specimen is in. Above that it is Mississippian with no such sandstone that I am aware of. I'm gathering some samples to begin learning fossil prep. As this is sandstone, I recall from college using DMSO to loosen sandstone matrix...so it was going to be a sandstone experiment versus the limestone specimens I've got lined up for when my vibro engraver shows up. Anyway, enough babble....any ideas? Length is 2" on the dot.
  12. I have managed to find some fossils I want to preserve such as these ferns and some cordaites. As best as I can read online it seems these should not be cleaned to ensure to not ruin them. Or is that wrong? Is there something to soak them in that won't harm them? Afterwards, what is best to preserve them with? Should they be kept away from sunlight to reduce fading? Basically, would anyone recommend a link or two to read to keep these looking nice. Thank you, Kato ===================== Ferns Cordaite with multi-color staining from different oxidization rates from pyritization???
  13. Hi, while on a walkabout for crinoid calyx found this particular formation having what seems to be a branching bryozoan fossil. This particular formation seemed to be quite full of fan type corrals as well as what I think are branching bryozoa (most in the length of 4"-6"). This one was about 4" long. Would someone kindly confirm the fossil type or please guide me to a correct naming?
  14. Possible probable Reef?

    I was on a walkabout with my smallest pack and came across this specimen in the bottom of a dry canyon bed. It has obviously been somewhat tumbled and rounded over the years. 16" at the widest dimension. I found a couple of other specimens that are much bigger. Over 2x larger. This was the most interesting due to the strange folds of material on the top and right side. My first guess was some type of reef material but I've never seen anything like this before and cold find nothing online even coming close. Maybe just a bunch of fossilized shells on end? With the odd folds I sort of ruled that out. I only have this single shot. My bad. Going to try and bring it out in my biggest heaviest duty pack...a tad over a 2 mile ruck to the closest road. Thankfully downhill. Unless someone tells me it is a leaverite.
  15. Hello, thank you in advance for any help. I have recently moved near the southern part of the Sacramento Mountains in New Mexico and have been finding some fossils. This one, I think might be part of a coral, but I can't identify it. It does not appear to be a complete specimen if you look at the end view. Found in Deadman Canyon off of Alamo Canyon just east of Alamogordo, NM. It was found as float in a debris field and I've been unable to identify the rock formation it came from in the surrounding exposed strata at this time. Apologies for the lower quality pics due to cell camera limitations. Around here the primary fossil appears to be crinoids....the black colored object with white striations, is in what appears to be a red sandstone with no other identifying fossils such as crinoids to help date the formation. Side view End view