Diamonds with garnet inclusions can form at depths down to 550 kilometres below the surface. Image: Jeff W. Harris, University of Glasgow.

Geologic history written in garnet sand Date: January 14, 2021 Source: Syracuse University Summary: Researchers probe deep secrets of trapped inclusions in garnet sand from Papua New Guinea. Share: ...

Letter Published: 03 February 1962 Inclusions in Garnets A. K. GALWEY & K. A. JONES Nature 193, 471–472 (1962) Cite this article ...

Letter Published: 13 February 1960 Oriented Quartz Inclusions in Garnets A. L. HARRIS & N. RAST Nature 185, 448–449 (1960) Cite this article ...

The story is preserved in garnet compositions, as well as in their trapped inclusions: solids (e.g., very rare minerals such as coesite - a high pressure form of quartz), liquids (e.g., water) and ...