Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. Proceedings of the Royal Irish Academy. ... Proceedings of the Royal Irish Academy. Science ...

Geologists can tell a chalcedony from the arrangement and structure of its crystals. Photograph by blickwinkel/Alamy Rocks themselves are made of clusters or mixtures of minerals, and minerals and ...

In this case, people are seeing a square structure in the rocks and shadows on Mars, in a photo taken in 2001. While ...

Proceedings of the Royal Irish Academy. Science Vol. 2, 1875 - 1877 Report on the Microscopical Structure of... Report on the Microscopical Structure of Rocks. No. 3 This is the metadata section. Skip ...