The second one puzzles me. It is a thin section of a dinosaur bone preserved in clear agate (credit Ted Kinsman, Rochester Institute of Technology). I am surprised that the geologic processes that form an agate wouldn't destroy the fine structure of bone matrix. You learn something every day.
You could think of it as chalcedony replaced Dinosaur bone. It's (believed to be) a somewhat different process than that which forms "fortification" agates (like the Tepee canyon above).
ReplyDeleteProbably the same process that forms Petrified Wood which is notorious for preserving cell structure
Interesting. That would make sense. Tx, rocky.
DeleteI have long been fascinated by images from electron microscopy.......these are wonderful too.
ReplyDeleteAgates are endlessly fascinating, I just noticed that many of the openings in the Dino bone appear to be small fortification agates. The ones with cloudy centers.
ReplyDeleteRocky, go here -
Deletehttp://www.nikonsmallworld.com/
- and type "agate" in the search box.
Enjoy.
Amazing what new worlds open to us with photomicrography
ReplyDelete