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Found 2 results

  1. A week ago today, I took the day off work to hit one of my favorite sites, a roadcut above the Illinois River in Oglesby, Illinois. This cut exposes the Pennsylvanian LaSalle Limestone member of the Bond Formation and produces abundant brachiopods as well as occasional other fauna including gastropods, cephalopods, coral, trilobites, and shark teeth. The weather was perfect, sunny but not too warm, when I pulled up. The cut is a somewhat unstable slope of cobbles and boulders of varying size, almost all with at least some fossils in them. To get up to the slope, you have to hop across a small ditch with running water. I have a good sampling of the common brachiopods from here, so I am looking for unusual fossils when I go now. I was very happy to quickly find a piece of trilobite as I started to search the rocks at the base of the hill. (I will put pics of everything I brought home in a response post) One interesting find that I was not able to bring home was this Linoproductus brachiopod with some shell preserved and a really pretty dendritic pattern on it- it was very delicate and firmly embedded in the middle of an ~80 lb boulder. I was able to stay for 4 hours, and I felt like I gave most of the site at least a quick look. I am very happy with what I found- I was able to check off many of the rarer things I was looking for, including shark teeth, a trilobite, cephalopod material, and a brachiopod with spines attached, as well as some nice crystallized brachiopods. I will post all of my finds below.
  2. So as the titles states "Mazon Creek Collecting or the Joy of Instant Gratification- Choose Wisely", that was my choice today, and I choose instant gratification. Even though I have not been out to Pit 11 this year, I wanted to find some fossils and not just concretions with the hope of finding something, plus I still have a lot of buckets to crack open, so I decided to collect some other Pennsylvanian fossils. I decided to stop by a road cut that exposes the LaSalle Limestone member of the Bond Formation and had a great day collecting in near 40 degree weather. It was very sketchy collecting today since the ground is not frozen, but it is also not thawed, so it is very slick in the none snow covered area and it can send you sliding to the bottom of the road cut as it did to me today- a nice controlled slide of about 20 feet. Here are only a few of my finds from today, after a short time I stopped taking pics. Here is a nice partial Peripristis Shark Tooth, I believe I found a couple other possible partial teeth, but I will check those out tomorrow. A few large Echinaria brachiopods- Many big Composita argentia brachiopods- A little Orthoconic nautiloid- Spirifer brachiopod- Linoproductus cora brachiopods- Juresania nebrascensis an Spirifer brachiopods-
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