Simple Lithology

hornfels

http://resource.geosciml.org/classifier/cgi/lithology/hornfels

definition Granofels formed by contact metamorphism, composed of a mosaic of equidimensional grains in a characteristically granoblastic or decussate matrix; porphyroblasts or relict phenocrysts may be present. Typically fine grained. more like this
example skarn more like this
source IUGS SCMR 2007 (http://www.bgs.ac.uk/SCMR/) more like this
type
Resource
Concept
broader granofels
narrower hornfels
in scheme simplelithology
is primary topic of hornfels