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Found 5 results

  1. 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 maximum magnification of the microscope.
  2. 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. Slide 2 is the thin section after another hour of polishing. There are some disc lines in the slide, but I was at the limit of my set up and feared polishing the specimen to oblivion. Slide 3 is viewed through a Dark Field stop. Slide 4 is a close look at the centre of the coral.
  3. 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 was rotated 45° Plane light, stereo microscope Same section with the Darkfield stop in place.
  4. 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 is the same transverse section with further polishing and photographed with a stereo microscope with the Darkfield stop in place. Photo 5 is a detail at 15x magnification with crossed polars only. The Rugose Corals are also presented as web slide shows.
  5. 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 here.