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Found 10 results

  1. Fungal endophytes in a 400-million-yr-old land plant:infection pathways, spatial distribution, and host responses Michael Krings, Thomas N. Taylor, Hagen Hass, Hans Kerp, Nora Dotzler and Elizabeth J. Hermsen New Phytologist (2007) 174: 648–657 nothiafungalinfepatholkringstltaylnewphytolkerpdotzl37.2007.02008.x.pdf NB .:Chytridiomycota, Glomeromycota, Ascomycota, Peronosporomycetes are known from Rhynie
  2. In keeping with the Micro-paleontology theme I sliced up a few Mosasaaur teeth and made thin section slides. Hoping to find something resembling a cavity. There are cavities, but not the dental type. The reason my dentist said "No sugar". All of the teeth were hollowed out at the root end and filled with a soft/loose grainy mixture. A web presentation may be viewed here. Photo1 shows a sampling of the Mosasaur teeth I received from Rocks and Gems Canada. The teeth are cracked and broken as I requested a grab bag of fossils from the cutting floor. The Mosasaur teeth are much soft
  3. I knocked a few chunks off of a large block of Landscape Limestone, ground them down to 80 microns on a glass slide. Most of the rocks I have collected locally are rather uninteresting as thin sections. I was very surprised to see what I believe to be a lot of micro fossils on two of the slides. I checked my fossil reference guide and I can identify Crinoid stems, Shells and maybe a leaf. I assume all those rectangular things are Crinoids an their side. The average size of the objects is 200 microns. The larges being what I believe are shells at 1,59 mm. Comments welcome on my i
  4. Can anyone suggest a good reference with lots of pictures about micro sized fossils? I would like to try and determine if the shapes are fossils of animal or vegetable matter. I make thin section slides of stones (less than 50mm in dia,) and occasionally see shapes that I think might be fossils. The shapes are small, generally less than 3mm in length and width. This is a sample of what I have found in local stones.
  5. A Suggestion for Making Thin Sections for Bryozoan Slides Free download
  6. Looking at a commercially made thin section of Kyanite, I thought or rather hoped the image showed evidence of micro fossils. Can anyone shed some light on these images? This link is to a full section view using Photoshop's Deep Zoom feature. http://theqcc.hennig.ca/Dec/11/index.html The photos were taken through a polarizing microscope adapter on a Stemi305 edu microscope. Photo 1 is a small version of the full scan at 8x. The original full scan is 22,000x 18,000 pixels. Photo 2 is of a small section at 20x. Photo 3 is the same area at 40x. The
  7. Although this is the same thin section of Rugose Coral posted earlier, they are substantially different in what has been revealed with further polishing. The original thin section was approx. 80microns thin. The additional polishing with 1200 and 2000 grit diamond disks has proved to reveal additional and unexpected detail at a thickness of 35 microns. The new slide photos were taken with a Canon 100D on a Zeiss 305edu microscope. Slide 1 is the cross section as previously posted. Hints of what lay hidden are visible, but the slide is too thick to see detail.
  8. The QCC

    A small, Dinosaur bone

    or A small Dinosaur, bone. The following are microscope photos of three sections of a small piece of Dinosaur bone. The thin section slides were made using a Hi-Tech Diamond flat lap grinding machine. The first photo is the actual bone segment, approximately 22mm long and 12mm in cross section. The next three photos are full scans of the three cross section followed by a few selected sections. I used two microscopes, a Labomed LB-592 Polarizing and a Zeiss Stemi 305edu with a homemade polarizing kit. Additional Dinosaur bone images Crossed Polars Stage
  9. Thin sections made from Rugose Coral sent to me by forum member CanadaWest.. There are seven corals in this collection. The thin sections were photographed using a polarizing microscope or a stereo microscope with a simple polarizing kit. I was not successful in making good thin section from all of the specimens so some photos are not the best possible. This post is in four parts. Part 1 Coral 2 Rugose Coral, Carboniferous, Livingston form., Invemere, BC Photo 2 - The initial polishing of a transverse section did not look promising, but a detail (Photo 3) looked interesting Photo 4
  10. I received several small Rugose Coral from member Herb to make microscope thin sections.. This is the first completed slide. There should be at least six or seven more slides in the collection. This slide is from the Pennsylvanian formation in Mineral Wells TX, USA Geologic age: Phanerozoic | Paleozoic There were six fossils in this group. The largest is the subject of this post. This is a slice of the specimen through the centre. This shows the cell structure of the Rugose Coral and the minerals that replaced the soft part of the Coral. A web version of this post may be found he
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