A Geoscience Digital Image Library

TitleHornfels, Riverside County, California, USA
DescriptionHornfels is a general term describing a fine-grained metamorphic rock that displays no metamorphic fabric. Hornfels typically forms by contact metamorphism. This sample was originally a mudstone or shale, but recrystallized somewhat during metamorphism. The degree of metamorphism was quite low. The sample is about 10 cm across.
LocationUSA ▹ California ▹ Riverside County
PhotographerNessa Eull. 2001-05-22.
CollectionWard’s University Rock Collection #170.
Key wordshornfels, California
Tech details741 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number503