I studied Geology in school. Here are a few photographic collections from my academic experience.
I’ve looked at plenty of thin sections studying geology! Here is a collection of pictures - some much better than others. I have labelled some of them with my interpretation of the mineral, but I encourage people to comment directly on the images if they have different opinions about which minerals are present.
Southern Oregon Coast
For my sedimentation and stratigraphy class, we took a field trip to the Southern Oregon coast. Here are some of my favorite images from that trip.