Simple Lithology

organic bearing mudstone

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

alt label
oil shale more like this
definition Mudstone that contains a significant amount of organic carbon, typically kerogen. commonly finely laminated, brown or black in color. more like this
example tar sand more like this
source Neuendorf et al. 2005; http://en.wikipedia.org/wiki/Oil_shale more like this
type
Resource
Concept
broader generic mudstone
narrower organic bearing mudstone
in scheme simplelithology
is primary topic of organic bearing mudstone