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Showing results for tags 'finis shale'.
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I'm having trouble getting the right name for this tiny Goniatite from Jacksboro Texas. Upper Pennsylvanian, Finis Shale Member of the Graham Formation. Small at only 7mm.
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I having trouble finding out what Upper Pennsylvanian Goniatite this is from the Graham Formation, Finis Shale Member. Found at the Lost Creek Spillway site near Jacksboro Texas. It is very evolute with the whorls barely overlaping. This view shows the compressed whorl section with a rounded venter. These show the flanks with sutures The venter and a rough drawing of the suture
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Pennsylvanian, Finis Shale Fossils, Lost Creek Reservoir Borrow Pit, near Jacksboro, Texas
gwestbrook posted a topic in Fossil Hunting Trips
Another grouping of fossils from the Pennsylvanian Finis Shale Site near Jacksboro, Texas. Always something to find there.
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Found this somewhat flattened Brach (Derbyia crassa) in the Pennsylvanian age Finis Shale formation at the Lost Creek Reservoir borrow pit near Jacksboro, in Jack County, Texas a couple of weeks ago. It's not perfect but I love fossils that are still in the matrix and that aren't pristine and show signs of predation and deformation from the weight of the overlying matrix.
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Straight line cephalopod fragments. One stood out. Plant? Finis Shale.
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This is a less common brachiopod collected at the rich Finis Shale site in the spillway of the Jacksboro Reservoir. It is often confused with the more common Composita subtilita which has a stronger sulcus fold and no small spines.
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Jacksboro, Texas Lost Creek Dam area, about 1 inch long, Pennsylvanian, Graham Formation, Finis Shale. Need help with ID. Thanks in advance for any help.
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I found this at the Lost Creek dam spillway in the Finis Shale of the Upper Pennsylvanian at Jacksboro Texas. The patterns remind me of cartilage. other side edge more photos in reply
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Ah, yes... that moment when you're out hunting, lying on a shale outcrop on a VERY chilly morning, hunting Pennsylvanian fossils & wishing you had worn a heavier jacket than just a thin cotton hoodie... ... when suddenly you hear "tick... tick tick... tick..." and wonder "What's that noise?" ... then you realize it's from tiny bits of sleet starting to hit the ground around you. It got worse fairly quickly, and I had to deal with a 7/10ths of a mile walk back to the car, across a dam, trying to carry my gear & keep my hood low enough across my face that I could still see, without getting nailed in the face by the rather sharp bits of ice raining down. They were at minimum 1/16th of a inch in diameter, and REALLY stung. Some were even painful through my sleeves! This was NOT in the forecast! (I wasn't alone in this misadventure, but am not naming the other person, unless said person wishes to ID themself.)
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This came from the Lost creek Dam site in Jack County Texas, late Pennsylvanian. It looks like a valve of something but I don't even know if it's a brachiopod or a bivalve. It is probably crushed some so that doesn't make id any easier.
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From the album: Collection
© fruitoftheZOOM
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From the album: Collection
© fruitoftheZOOM
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From the album: Collection
© fruitoftheZOOM
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This is a large specimen of a common brachiopod with encrusting Serpula sp. collected at the rich Finis Shale site in the spillway of the Jacksboro Reservoir.
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I have three groups of fossils from Texas to trade. I am mainly interested in trilobites, Megalodon teeth, and Ammonites but I will accept other fossils. The first group is from Lake Texoma. It includes an unprepared ammonite, a idiohamites ammonite, a partial ammonite, echinoids, clams and an unprepared echinoid.
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I found this possible cephalopod in the Upper Pennsylvanian Graham Formation at the Lost Creek dam Spillway near Jacksboro Texas. It is 30mm long with a round profile 12mm across. The arrow in the picture below points to a portion of the inside layer that is broken away from the internal mold. The arrows in the picture below point to two more layers outside of the first. Here is a fourth layer on the outside of the others. Here you can see the layers on the blunt end This is the pointy end The ridges in picture below are the only hint of any ornamentation. At first I thought it was one of the enigmatic burrows we find there but they don't have all these layers or these ridges going around the shell just occasional linear grooved linings.
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Looking for help on an id for the following brachiopod from Jacksboro, TX. Scale is in centimeters. Formation is the Finis Shale of the Graham Formation, Pennsylvanian. Thanks in advance for your help.
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I have no idea what this could be. I found it at the Lost Creek Dam site in the darker shale on the east end of the slope. It's 11mm long and has a very shiny, dark surface. This end is distorted. Other end.
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I packed my backpack and loaded my stuff into my friends car. We ended up getting there too late so we had to drive around for 20 minutes to find the site. When we got there it was a long hike to get to the site. I started finding a lot of gastropods. I picked up mabye 20 to 30 of them. I also found a lot of bivalves and Brachiopods. Then I found an amazing Worthenia Tabulata. I found a nice cephalopod fragment. Later on it was almost time to leave and I ended up finding three conularia's. It was a good trip!
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The Dallas Paleo Society just had their annual field trip to the great Finis shale exposure at Lake Jacksboro. Roz and I went and I recognized DPS regulars BobWill, PollyM, JohnC, MarkM, and a few fairly new people. The group was about 15 adults and several kids but most everyone left pretty early except us and 2 others. I found 5 shark teeth (3 types) in various levels of complete-ness (typical) and a few really good invertebrate shells. This gorgeous large "Worthenia" was the first thing I spotted: brachiopod: "Conularia": "Brachycycloceras" (not the current name): "Petalodus" tooth (only found root and half the blade) "Cladodus/Symmorium" tooth (found 3 bases) "Aggasizodus" (old name) symphysial tooth? (Chondrichthyphiles please help with this)
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I found this at the recent Jacksboro Trip in Texas. It is Finis Shale and is from the Pennsylvanian Period. I know there are a lot of members that hunt this period and also the Jacksboro site. I posted these pics on the thread regarding the trip but thought it might be better to get an ID on this section of the forum. I am hoping someone has an idea. Found in association with echinoid plates and spines. The first image is for scale.
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At a recent trip I found a few things I really love.. Jacksboro is Finis Shale. Lance was able to make this trip and hope he can add his favorite finds of the day. The one that looks like a hot air balloon is my favorite. It was a sunny day or I might not have seen it.. It is a possible Phestia clam which is one quarter of an inch in length.. I think you can see the growth lines. The next is a brachiopod, Orbiculoidea missouriensis and is usually found in phosphatic nodules. It's a small one and is about a half an inch.. I collected more concretions this time and will add images of the surprises that opened when I am able to get decent images.. What opened is so very tiny, images will take some time.
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Some tiny ammonoids from the Finis shale at Jacksboro, TX. I'll try them again with the microscope at a later time. They are hard to work with this small.
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Here is a collection of varied specimens I collected at Jacksboro Lake a couple weeks ago in the Finis Shale. A mixed bag of: crinoid, brachiopods, pelecypods, gastropods, fusilinids, ostracods, bryozoan, corals, worm tubes, echinoderm spines, foraminifera and stuff I haven't ID'd yet.
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